CLAIMBOUND / SOURCE-PUBLICATION EVIDENCE
Hydrogen
Every card identifies what it proves, what it does not prove, its statement GUID, verbatim JSON, immutable revision, hashes, reference count, and a one-card local rerun command.
1. hydrogen · ionic radius
Exact public statement under test
Wikidata statement Q556$3cc954f5-4211-172b-3789-a5c3e3940434 in revision 2521229606 asserts that hydrogen (Q556) publishes ionic radius (P10685) with value +54.
What this card proves
The exact statement GUID and JSON excerpt were publicly present in Wikidata revision 2521229606; the frozen revision content and statement match the recorded SHA-256 values.
What this card does not prove
It does not independently prove that the value is true in the real world, current outside this revision, supported by a primary source, or correctly assigned to this category.
- Exact source
- Wikidata revision 2521229606
- Locator
entity Q556; claims.P10685; statement Q556$3cc954f5-4211-172b-3789-a5c3e3940434- Captured
- 2026-07-22T17:03:59Z
- Rank / qualifiers
- normal; 1 qualifier snaks
- Wikidata references
- 0 reference blocks — presence is reported, but the referenced sources were not independently checked by this protocol.
- Source SHA-256
e30b402a10d3e4992ba12736756cc27c8126caa1d169f93481b8b20ede8029dd- Statement SHA-256
7615846b5608df676452a0c2549f53e8ff3c3de1bcfca510dbdb9bb3f1acb985- Reproduction
- Maintainer run only; no independent operator rerun is registered.
Repeat this exact check locally
Requires Python 3 and network access to Wikidata. Start with an empty cache; the command downloads the immutable revision and verifies the exact excerpt and both hashes.
python3 scripts/build_wikidata_public_claims.py verify-sources artifacts/cb7k_wikidata_public_claims.json --cache .cache/claimbound-wikidata --claim-id CB7K-DOM070-C01Verbatim structured statement and evidence
{"mainsnak":{"snaktype":"value","property":"P10685","hash":"8b13a5632400a10c54a0ddc128e47330fe39de78","datavalue":{"value":{"amount":"+54","unit":"http:\/\/www.wikidata.org\/entity\/Q192274"},"type":"quantity"}},"type":"statement","qualifiers":{"P10764":[{"snaktype":"value","property":"P10764","hash":"7ac1ab0f7a35c1a1ea821f9591412ccadac04a8e","datavalue":{"value":{"amount":"+1","unit":"1"},"type":"quantity"}}]},"qualifiers-order":["P10764"],"id":"Q556$3cc954f5-4211-172b-3789-a5c3e3940434","rank":"normal"}2. hydrogen · atomic number
Exact public statement under test
Wikidata statement Q556$278dbe7e-4d47-037c-1585-23539dc33b25 in revision 2521229606 asserts that hydrogen (Q556) publishes atomic number (P1086) with value +1.
What this card proves
The exact statement GUID and JSON excerpt were publicly present in Wikidata revision 2521229606; the frozen revision content and statement match the recorded SHA-256 values.
What this card does not prove
It does not independently prove that the value is true in the real world, current outside this revision, supported by a primary source, or correctly assigned to this category.
- Exact source
- Wikidata revision 2521229606
- Locator
entity Q556; claims.P1086; statement Q556$278dbe7e-4d47-037c-1585-23539dc33b25- Captured
- 2026-07-22T17:03:59Z
- Rank / qualifiers
- normal; 0 qualifier snaks
- Wikidata references
- 1 reference blocks — presence is reported, but the referenced sources were not independently checked by this protocol.
- Source SHA-256
e30b402a10d3e4992ba12736756cc27c8126caa1d169f93481b8b20ede8029dd- Statement SHA-256
e6e185fc8b2771540f9b9b1efa48dac03f0980eaac45c514359858884f0880a0- Reproduction
- Maintainer run only; no independent operator rerun is registered.
Repeat this exact check locally
Requires Python 3 and network access to Wikidata. Start with an empty cache; the command downloads the immutable revision and verifies the exact excerpt and both hashes.
python3 scripts/build_wikidata_public_claims.py verify-sources artifacts/cb7k_wikidata_public_claims.json --cache .cache/claimbound-wikidata --claim-id CB7K-DOM070-C02Verbatim structured statement and evidence
{"mainsnak":{"snaktype":"value","property":"P1086","hash":"e778352fd16a271d514ce3c11323de6567cfbbe1","datavalue":{"value":{"amount":"+1","unit":"1"},"type":"quantity"}},"type":"statement","id":"Q556$278dbe7e-4d47-037c-1585-23539dc33b25","rank":"normal","references":[{"hash":"82f258f3528e2da0871c79c45f80dda319e845d8","snaks":{"P248":[{"snaktype":"value","property":"P248","hash":"19cce87cdd7b4ce823c463ae1e89553a8f8eaa9b","datavalue":{"value":{"entity-type":"item","numeric-id":13422885,"id":"Q13422885"},"type":"wikibase-entityid"}}]},"snaks-order":["P248"]}]}3. hydrogen · electronegativity
Exact public statement under test
Wikidata statement Q556$d8cf0ddd-49cb-d13f-8293-fd4761242c95 in revision 2521229606 asserts that hydrogen (Q556) publishes electronegativity (P1108) with value +2.2.
What this card proves
The exact statement GUID and JSON excerpt were publicly present in Wikidata revision 2521229606; the frozen revision content and statement match the recorded SHA-256 values.
What this card does not prove
It does not independently prove that the value is true in the real world, current outside this revision, supported by a primary source, or correctly assigned to this category.
- Exact source
- Wikidata revision 2521229606
- Locator
entity Q556; claims.P1108; statement Q556$d8cf0ddd-49cb-d13f-8293-fd4761242c95- Captured
- 2026-07-22T17:03:59Z
- Rank / qualifiers
- normal; 0 qualifier snaks
- Wikidata references
- 0 reference blocks — presence is reported, but the referenced sources were not independently checked by this protocol.
- Source SHA-256
e30b402a10d3e4992ba12736756cc27c8126caa1d169f93481b8b20ede8029dd- Statement SHA-256
22ffa7bb6398aaa415e5638b863d53b78850a3ae396fb2bcb7d9ff745c50a661- Reproduction
- Maintainer run only; no independent operator rerun is registered.
Repeat this exact check locally
Requires Python 3 and network access to Wikidata. Start with an empty cache; the command downloads the immutable revision and verifies the exact excerpt and both hashes.
python3 scripts/build_wikidata_public_claims.py verify-sources artifacts/cb7k_wikidata_public_claims.json --cache .cache/claimbound-wikidata --claim-id CB7K-DOM070-C03Verbatim structured statement and evidence
{"mainsnak":{"snaktype":"value","property":"P1108","hash":"6bea5765a7d4a7765df71fbf8b47b31db945c60a","datavalue":{"value":{"amount":"+2.2","unit":"1"},"type":"quantity"}},"type":"statement","id":"Q556$d8cf0ddd-49cb-d13f-8293-fd4761242c95","rank":"normal"}4. hydrogen · refractive index
Exact public statement under test
Wikidata statement Q556$85267261-4549-2b51-8aff-97be2373336d in revision 2521229606 asserts that hydrogen (Q556) publishes refractive index (P1109) with value +1.000132.
What this card proves
The exact statement GUID and JSON excerpt were publicly present in Wikidata revision 2521229606; the frozen revision content and statement match the recorded SHA-256 values.
What this card does not prove
It does not independently prove that the value is true in the real world, current outside this revision, supported by a primary source, or correctly assigned to this category.
- Exact source
- Wikidata revision 2521229606
- Locator
entity Q556; claims.P1109; statement Q556$85267261-4549-2b51-8aff-97be2373336d- Captured
- 2026-07-22T17:03:59Z
- Rank / qualifiers
- normal; 3 qualifier snaks
- Wikidata references
- 2 reference blocks — presence is reported, but the referenced sources were not independently checked by this protocol.
- Source SHA-256
e30b402a10d3e4992ba12736756cc27c8126caa1d169f93481b8b20ede8029dd- Statement SHA-256
6f2e715005092a6dce16ed4a49beeed493114e01df2376b3477375724320f82d- Reproduction
- Maintainer run only; no independent operator rerun is registered.
Repeat this exact check locally
Requires Python 3 and network access to Wikidata. Start with an empty cache; the command downloads the immutable revision and verifies the exact excerpt and both hashes.
python3 scripts/build_wikidata_public_claims.py verify-sources artifacts/cb7k_wikidata_public_claims.json --cache .cache/claimbound-wikidata --claim-id CB7K-DOM070-C04Verbatim structured statement and evidence
{"mainsnak":{"snaktype":"value","property":"P1109","hash":"b43204f77f2536ee5049e1c8175ec8f83896dfca","datavalue":{"value":{"amount":"+1.000132","unit":"1"},"type":"quantity"}},"type":"statement","qualifiers":{"P2076":[{"snaktype":"value","property":"P2076","hash":"15dbf1e2325ab68c1f03018f6fd6bb04537afddd","datavalue":{"value":{"amount":"+0","unit":"http:\/\/www.wikidata.org\/entity\/Q25267"},"type":"quantity"}}],"P515":[{"snaktype":"value","property":"P515","hash":"09bd8f2c5b1d016049ceed95a91df560c835c038","datavalue":{"value":{"entity-type":"item","numeric-id":11432,"id":"Q11432"},"type":"wikibase-entityid"}}],"P2808":[{"snaktype":"value","property":"P2808","hash":"2bbcba7b0f22f13a99d503652383d72917c29bc5","datavalue":{"value":{"amount":"+589.3","unit":"http:\/\/www.wikidata.org\/entity\/Q178674"},"type":"quantity"}}]},"qualifiers-order":["P2076","P515","P2808"],"id":"Q556$85267261-4549-2b51-8aff-97be2373336d","rank":"normal","references":[{"hash":"b05d94f70ba7231f16c2e495622ae7ab762610e4","snaks":{"P854":[{"snaktype":"value","property":"P854","hash":"3c8b60c1b051eac14b81f1df60ca09104e7667df","datavalue":{"value":"https:\/\/www.wolframalpha.com\/input\/?i=Entity%5B%22Element%22,+%22Hydrogen%22%5D","type":"string"}}]},"snaks-order":["P854"]},{"hash":"c2a267e875920255f4cb664cb0eb4ad084771219","snaks":{"P854":[{"snaktype":"value","property":"P854","hash":"ff7d5b646769e1f8e0a6b1077f64f8389d6e2aa1","datavalue":{"value":"https:\/\/www.webelements.com\/hydrogen\/physics.html","type":"string"}}],"P1476":[{"snaktype":"value","property":"P1476","hash":"57cc3178d52b794d34318ed855a236fc66d28c78","datavalue":{"value":{"text":"WebElements","language":"en"},"type":"monolingualtext"}}],"P813":[{"snaktype":"value","property":"P813","hash":"62cac1f9c3c354d6d51e9d91d677c29a2f74a44c","datavalue":{"value":{"time":"+2024-03-06T00:00:00Z","timezone":0,"before":0,"after":0,"precision":11,"calendarmodel":"http:\/\/www.wikidata.org\/entity\/Q1985727"},"type":"time"}}]},"snaks-order":["P854","P1476","P813"]}]}5. hydrogen · oxidation state
Exact public statement under test
Wikidata statement Q556$912bb8ba-47e7-fa7f-7c9a-6272675fcf3b in revision 2521229606 asserts that hydrogen (Q556) publishes oxidation state (P1121) with value -1.
What this card proves
The exact statement GUID and JSON excerpt were publicly present in Wikidata revision 2521229606; the frozen revision content and statement match the recorded SHA-256 values.
What this card does not prove
It does not independently prove that the value is true in the real world, current outside this revision, supported by a primary source, or correctly assigned to this category.
- Exact source
- Wikidata revision 2521229606
- Locator
entity Q556; claims.P1121; statement Q556$912bb8ba-47e7-fa7f-7c9a-6272675fcf3b- Captured
- 2026-07-22T17:03:59Z
- Rank / qualifiers
- normal; 0 qualifier snaks
- Wikidata references
- 1 reference blocks — presence is reported, but the referenced sources were not independently checked by this protocol.
- Source SHA-256
e30b402a10d3e4992ba12736756cc27c8126caa1d169f93481b8b20ede8029dd- Statement SHA-256
57afe07cf0f0a81a4a2aa8e9c84b15b2edf81253027ef1fb300e31972210e468- Reproduction
- Maintainer run only; no independent operator rerun is registered.
Repeat this exact check locally
Requires Python 3 and network access to Wikidata. Start with an empty cache; the command downloads the immutable revision and verifies the exact excerpt and both hashes.
python3 scripts/build_wikidata_public_claims.py verify-sources artifacts/cb7k_wikidata_public_claims.json --cache .cache/claimbound-wikidata --claim-id CB7K-DOM070-C05Verbatim structured statement and evidence
{"mainsnak":{"snaktype":"value","property":"P1121","hash":"bbddfc57e36a9b468eba4daa016513786b7b286d","datavalue":{"value":{"amount":"-1","unit":"1"},"type":"quantity"}},"type":"statement","id":"Q556$912bb8ba-47e7-fa7f-7c9a-6272675fcf3b","rank":"normal","references":[{"hash":"fa278ebfc458360e5aed63d5058cca83c46134f1","snaks":{"P143":[{"snaktype":"value","property":"P143","hash":"e4f6d9441d0600513c4533c672b5ab472dc73694","datavalue":{"value":{"entity-type":"item","numeric-id":328,"id":"Q328"},"type":"wikibase-entityid"}}]},"snaks-order":["P143"]}]}6. hydrogen · oxidation state
Exact public statement under test
Wikidata statement Q556$8824d968-4b03-04d8-b4f5-3ea5a77a3fa6 in revision 2521229606 asserts that hydrogen (Q556) publishes oxidation state (P1121) with value +1.
What this card proves
The exact statement GUID and JSON excerpt were publicly present in Wikidata revision 2521229606; the frozen revision content and statement match the recorded SHA-256 values.
What this card does not prove
It does not independently prove that the value is true in the real world, current outside this revision, supported by a primary source, or correctly assigned to this category.
- Exact source
- Wikidata revision 2521229606
- Locator
entity Q556; claims.P1121; statement Q556$8824d968-4b03-04d8-b4f5-3ea5a77a3fa6- Captured
- 2026-07-22T17:03:59Z
- Rank / qualifiers
- normal; 0 qualifier snaks
- Wikidata references
- 1 reference blocks — presence is reported, but the referenced sources were not independently checked by this protocol.
- Source SHA-256
e30b402a10d3e4992ba12736756cc27c8126caa1d169f93481b8b20ede8029dd- Statement SHA-256
bf79605aed9e871bcf8dca0290087bc03daac4fcab95262a9c39ecee86520b62- Reproduction
- Maintainer run only; no independent operator rerun is registered.
Repeat this exact check locally
Requires Python 3 and network access to Wikidata. Start with an empty cache; the command downloads the immutable revision and verifies the exact excerpt and both hashes.
python3 scripts/build_wikidata_public_claims.py verify-sources artifacts/cb7k_wikidata_public_claims.json --cache .cache/claimbound-wikidata --claim-id CB7K-DOM070-C06Verbatim structured statement and evidence
{"mainsnak":{"snaktype":"value","property":"P1121","hash":"8b809aaef7417d3ee4eac35b6fb34d9251028ebd","datavalue":{"value":{"amount":"+1","unit":"1"},"type":"quantity"}},"type":"statement","id":"Q556$8824d968-4b03-04d8-b4f5-3ea5a77a3fa6","rank":"normal","references":[{"hash":"fa278ebfc458360e5aed63d5058cca83c46134f1","snaks":{"P143":[{"snaktype":"value","property":"P143","hash":"e4f6d9441d0600513c4533c672b5ab472dc73694","datavalue":{"value":{"entity-type":"item","numeric-id":328,"id":"Q328"},"type":"wikibase-entityid"}}]},"snaks-order":["P143"]}]}7. hydrogen · oxidation state
Exact public statement under test
Wikidata statement Q556$33407bb2-40b3-806f-9f1f-7e866620614f in revision 2521229606 asserts that hydrogen (Q556) publishes oxidation state (P1121) with value +0.
What this card proves
The exact statement GUID and JSON excerpt were publicly present in Wikidata revision 2521229606; the frozen revision content and statement match the recorded SHA-256 values.
What this card does not prove
It does not independently prove that the value is true in the real world, current outside this revision, supported by a primary source, or correctly assigned to this category.
- Exact source
- Wikidata revision 2521229606
- Locator
entity Q556; claims.P1121; statement Q556$33407bb2-40b3-806f-9f1f-7e866620614f- Captured
- 2026-07-22T17:03:59Z
- Rank / qualifiers
- normal; 0 qualifier snaks
- Wikidata references
- 0 reference blocks — presence is reported, but the referenced sources were not independently checked by this protocol.
- Source SHA-256
e30b402a10d3e4992ba12736756cc27c8126caa1d169f93481b8b20ede8029dd- Statement SHA-256
cd49e2d3d93a2d397cfdf272b01940e96f2519c52d337ad08e9abce0b0a9af8b- Reproduction
- Maintainer run only; no independent operator rerun is registered.
Repeat this exact check locally
Requires Python 3 and network access to Wikidata. Start with an empty cache; the command downloads the immutable revision and verifies the exact excerpt and both hashes.
python3 scripts/build_wikidata_public_claims.py verify-sources artifacts/cb7k_wikidata_public_claims.json --cache .cache/claimbound-wikidata --claim-id CB7K-DOM070-C07Verbatim structured statement and evidence
{"mainsnak":{"snaktype":"value","property":"P1121","hash":"a4764265adafe61594621aeb56dc05d3ee9587be","datavalue":{"value":{"amount":"+0","unit":"1"},"type":"quantity"}},"type":"statement","id":"Q556$33407bb2-40b3-806f-9f1f-7e866620614f","rank":"normal"}8. hydrogen · described by source
Exact public statement under test
Wikidata statement Q556$A19AA5FF-2C59-48E1-83A4-6633A0222EE8 in revision 2521229606 asserts that hydrogen (Q556) publishes described by source (P1343) with value Armenian Soviet Encyclopedia (Q2657718).
What this card proves
The exact statement GUID and JSON excerpt were publicly present in Wikidata revision 2521229606; the frozen revision content and statement match the recorded SHA-256 values.
What this card does not prove
It does not independently prove that the value is true in the real world, current outside this revision, supported by a primary source, or correctly assigned to this category.
- Exact source
- Wikidata revision 2521229606
- Locator
entity Q556; claims.P1343; statement Q556$A19AA5FF-2C59-48E1-83A4-6633A0222EE8- Captured
- 2026-07-22T17:03:59Z
- Rank / qualifiers
- normal; 0 qualifier snaks
- Wikidata references
- 0 reference blocks — presence is reported, but the referenced sources were not independently checked by this protocol.
- Source SHA-256
e30b402a10d3e4992ba12736756cc27c8126caa1d169f93481b8b20ede8029dd- Statement SHA-256
701de746d968b41e36b4202263b60d0dc2f6f1b68bab8aa5698aac8a2351c384- Reproduction
- Maintainer run only; no independent operator rerun is registered.
Repeat this exact check locally
Requires Python 3 and network access to Wikidata. Start with an empty cache; the command downloads the immutable revision and verifies the exact excerpt and both hashes.
python3 scripts/build_wikidata_public_claims.py verify-sources artifacts/cb7k_wikidata_public_claims.json --cache .cache/claimbound-wikidata --claim-id CB7K-DOM070-C08Verbatim structured statement and evidence
{"mainsnak":{"snaktype":"value","property":"P1343","hash":"62c309f8296338bd9647a7e758857137f3370310","datavalue":{"value":{"entity-type":"item","numeric-id":2657718,"id":"Q2657718"},"type":"wikibase-entityid"}},"type":"statement","id":"Q556$A19AA5FF-2C59-48E1-83A4-6633A0222EE8","rank":"normal"}9. hydrogen · described by source
Exact public statement under test
Wikidata statement Q556$ff239106-4f37-e5a7-715c-db4e9674424f in revision 2521229606 asserts that hydrogen (Q556) publishes described by source (P1343) with value Hydrogen (Q108309723).
What this card proves
The exact statement GUID and JSON excerpt were publicly present in Wikidata revision 2521229606; the frozen revision content and statement match the recorded SHA-256 values.
What this card does not prove
It does not independently prove that the value is true in the real world, current outside this revision, supported by a primary source, or correctly assigned to this category.
- Exact source
- Wikidata revision 2521229606
- Locator
entity Q556; claims.P1343; statement Q556$ff239106-4f37-e5a7-715c-db4e9674424f- Captured
- 2026-07-22T17:03:59Z
- Rank / qualifiers
- normal; 3 qualifier snaks
- Wikidata references
- 0 reference blocks — presence is reported, but the referenced sources were not independently checked by this protocol.
- Source SHA-256
e30b402a10d3e4992ba12736756cc27c8126caa1d169f93481b8b20ede8029dd- Statement SHA-256
aa1861acd909d5c82a99dc29c12fa67887b8cedec5e36fba267a390ac1a1c22d- Reproduction
- Maintainer run only; no independent operator rerun is registered.
Repeat this exact check locally
Requires Python 3 and network access to Wikidata. Start with an empty cache; the command downloads the immutable revision and verifies the exact excerpt and both hashes.
python3 scripts/build_wikidata_public_claims.py verify-sources artifacts/cb7k_wikidata_public_claims.json --cache .cache/claimbound-wikidata --claim-id CB7K-DOM070-C09Verbatim structured statement and evidence
{"mainsnak":{"snaktype":"value","property":"P1343","hash":"d005f31126b0fa2b691c38ffea2c439cff8ab030","datavalue":{"value":{"entity-type":"item","numeric-id":108309723,"id":"Q108309723"},"type":"wikibase-entityid"}},"type":"statement","qualifiers":{"P577":[{"snaktype":"value","property":"P577","hash":"da178a80b7c7bea56da6ee6e56135d9c9c9bad84","datavalue":{"value":{"time":"+1911-00-00T00:00:00Z","timezone":0,"before":0,"after":0,"precision":9,"calendarmodel":"http:\/\/www.wikidata.org\/entity\/Q1985727"},"type":"time"}}],"P1433":[{"snaktype":"value","property":"P1433","hash":"635b8cd0bc18ca57ede3e0e1594efbb556566f4e","datavalue":{"value":{"entity-type":"item","numeric-id":455,"id":"Q455"},"type":"wikibase-entityid"}}],"P407":[{"snaktype":"value","property":"P407","hash":"daf1c4fcb58181b02dff9cc89deb084004ddae4b","datavalue":{"value":{"entity-type":"item","numeric-id":1860,"id":"Q1860"},"type":"wikibase-entityid"}}]},"qualifiers-order":["P577","P1433","P407"],"id":"Q556$ff239106-4f37-e5a7-715c-db4e9674424f","rank":"normal"}10. hydrogen · described by source
Exact public statement under test
Wikidata statement Q556$D0C88619-4219-40E8-BABF-3050194B23FA in revision 2521229606 asserts that hydrogen (Q556) publishes described by source (P1343) with value Encyclopædia Britannica 11th edition (Q867541).
What this card proves
The exact statement GUID and JSON excerpt were publicly present in Wikidata revision 2521229606; the frozen revision content and statement match the recorded SHA-256 values.
What this card does not prove
It does not independently prove that the value is true in the real world, current outside this revision, supported by a primary source, or correctly assigned to this category.
- Exact source
- Wikidata revision 2521229606
- Locator
entity Q556; claims.P1343; statement Q556$D0C88619-4219-40E8-BABF-3050194B23FA- Captured
- 2026-07-22T17:03:59Z
- Rank / qualifiers
- normal; 1 qualifier snaks
- Wikidata references
- 0 reference blocks — presence is reported, but the referenced sources were not independently checked by this protocol.
- Source SHA-256
e30b402a10d3e4992ba12736756cc27c8126caa1d169f93481b8b20ede8029dd- Statement SHA-256
a3628db02259c4d2388c283bbc58ed82a6b5f79592698cff4fe80a7d64036ecc- Reproduction
- Maintainer run only; no independent operator rerun is registered.
Repeat this exact check locally
Requires Python 3 and network access to Wikidata. Start with an empty cache; the command downloads the immutable revision and verifies the exact excerpt and both hashes.
python3 scripts/build_wikidata_public_claims.py verify-sources artifacts/cb7k_wikidata_public_claims.json --cache .cache/claimbound-wikidata --claim-id CB7K-DOM070-C10Verbatim structured statement and evidence
{"mainsnak":{"snaktype":"value","property":"P1343","hash":"1e87e0f7d2db06ab0ef5ccabd7c6275641f36553","datavalue":{"value":{"entity-type":"item","numeric-id":867541,"id":"Q867541"},"type":"wikibase-entityid"}},"type":"statement","qualifiers":{"P805":[{"snaktype":"value","property":"P805","hash":"28fc9cb582e3c8b6a71b3c1f68b1e90fda743c05","datavalue":{"value":{"entity-type":"item","numeric-id":108309723,"id":"Q108309723"},"type":"wikibase-entityid"}}]},"qualifiers-order":["P805"],"id":"Q556$D0C88619-4219-40E8-BABF-3050194B23FA","rank":"normal"}11. hydrogen · described by source
Exact public statement under test
Wikidata statement Q556$5405FA91-F301-46EC-A7C8-1E61953FAB7C in revision 2521229606 asserts that hydrogen (Q556) publishes described by source (P1343) with value Meyers Konversations-Lexikon, 4th edition (1885–1890) (Q19219752).
What this card proves
The exact statement GUID and JSON excerpt were publicly present in Wikidata revision 2521229606; the frozen revision content and statement match the recorded SHA-256 values.
What this card does not prove
It does not independently prove that the value is true in the real world, current outside this revision, supported by a primary source, or correctly assigned to this category.
- Exact source
- Wikidata revision 2521229606
- Locator
entity Q556; claims.P1343; statement Q556$5405FA91-F301-46EC-A7C8-1E61953FAB7C- Captured
- 2026-07-22T17:03:59Z
- Rank / qualifiers
- normal; 1 qualifier snaks
- Wikidata references
- 0 reference blocks — presence is reported, but the referenced sources were not independently checked by this protocol.
- Source SHA-256
e30b402a10d3e4992ba12736756cc27c8126caa1d169f93481b8b20ede8029dd- Statement SHA-256
7083d67070defe00dba86892285befab83cfb89f0b9779eb43f2af162401576f- Reproduction
- Maintainer run only; no independent operator rerun is registered.
Repeat this exact check locally
Requires Python 3 and network access to Wikidata. Start with an empty cache; the command downloads the immutable revision and verifies the exact excerpt and both hashes.
python3 scripts/build_wikidata_public_claims.py verify-sources artifacts/cb7k_wikidata_public_claims.json --cache .cache/claimbound-wikidata --claim-id CB7K-DOM070-C11Verbatim structured statement and evidence
{"mainsnak":{"snaktype":"value","property":"P1343","hash":"cc623969772776f2a8b109402b0ac5fa5c123233","datavalue":{"value":{"entity-type":"item","numeric-id":19219752,"id":"Q19219752"},"type":"wikibase-entityid"}},"type":"statement","qualifiers":{"P805":[{"snaktype":"value","property":"P805","hash":"bf7926372b765587aec493c2201abdea0aa7b574","datavalue":{"value":{"entity-type":"item","numeric-id":112815059,"id":"Q112815059"},"type":"wikibase-entityid"}}]},"qualifiers-order":["P805"],"id":"Q556$5405FA91-F301-46EC-A7C8-1E61953FAB7C","rank":"normal"}12. hydrogen · described by source
Exact public statement under test
Wikidata statement Q556$9f5ba4c9-400e-4f31-2410-9724151d0062 in revision 2521229606 asserts that hydrogen (Q556) publishes described by source (P1343) with value Brockhaus and Efron Encyclopedic Dictionary (Q602358).
What this card proves
The exact statement GUID and JSON excerpt were publicly present in Wikidata revision 2521229606; the frozen revision content and statement match the recorded SHA-256 values.
What this card does not prove
It does not independently prove that the value is true in the real world, current outside this revision, supported by a primary source, or correctly assigned to this category.
- Exact source
- Wikidata revision 2521229606
- Locator
entity Q556; claims.P1343; statement Q556$9f5ba4c9-400e-4f31-2410-9724151d0062- Captured
- 2026-07-22T17:03:59Z
- Rank / qualifiers
- normal; 1 qualifier snaks
- Wikidata references
- 0 reference blocks — presence is reported, but the referenced sources were not independently checked by this protocol.
- Source SHA-256
e30b402a10d3e4992ba12736756cc27c8126caa1d169f93481b8b20ede8029dd- Statement SHA-256
b5d53fb7c87dfabedfbcacea59a29047fdc3a7e97f992c9642536952bfd883de- Reproduction
- Maintainer run only; no independent operator rerun is registered.
Repeat this exact check locally
Requires Python 3 and network access to Wikidata. Start with an empty cache; the command downloads the immutable revision and verifies the exact excerpt and both hashes.
python3 scripts/build_wikidata_public_claims.py verify-sources artifacts/cb7k_wikidata_public_claims.json --cache .cache/claimbound-wikidata --claim-id CB7K-DOM070-C12Verbatim structured statement and evidence
{"mainsnak":{"snaktype":"value","property":"P1343","hash":"88389772f86dcd7d415ddd029f601412e5cc894a","datavalue":{"value":{"entity-type":"item","numeric-id":602358,"id":"Q602358"},"type":"wikibase-entityid"}},"type":"statement","qualifiers":{"P805":[{"snaktype":"value","property":"P805","hash":"092708e7bc54bbb83938c7334df75bd67568b4c3","datavalue":{"value":{"entity-type":"item","numeric-id":24367777,"id":"Q24367777"},"type":"wikibase-entityid"}}]},"qualifiers-order":["P805"],"id":"Q556$9f5ba4c9-400e-4f31-2410-9724151d0062","rank":"normal"}13. hydrogen · described by source
Exact public statement under test
Wikidata statement Q556$631ce0cd-422c-5a07-3550-1f821cd5cef0 in revision 2521229606 asserts that hydrogen (Q556) publishes described by source (P1343) with value Small Brockhaus and Efron Encyclopedic Dictionary (Q19180675).
What this card proves
The exact statement GUID and JSON excerpt were publicly present in Wikidata revision 2521229606; the frozen revision content and statement match the recorded SHA-256 values.
What this card does not prove
It does not independently prove that the value is true in the real world, current outside this revision, supported by a primary source, or correctly assigned to this category.
- Exact source
- Wikidata revision 2521229606
- Locator
entity Q556; claims.P1343; statement Q556$631ce0cd-422c-5a07-3550-1f821cd5cef0- Captured
- 2026-07-22T17:03:59Z
- Rank / qualifiers
- normal; 1 qualifier snaks
- Wikidata references
- 0 reference blocks — presence is reported, but the referenced sources were not independently checked by this protocol.
- Source SHA-256
e30b402a10d3e4992ba12736756cc27c8126caa1d169f93481b8b20ede8029dd- Statement SHA-256
a63cbacb3485a21e1ac0af7aea1ba9091c7429cd91d379d0c07aa1b11df844cf- Reproduction
- Maintainer run only; no independent operator rerun is registered.
Repeat this exact check locally
Requires Python 3 and network access to Wikidata. Start with an empty cache; the command downloads the immutable revision and verifies the exact excerpt and both hashes.
python3 scripts/build_wikidata_public_claims.py verify-sources artifacts/cb7k_wikidata_public_claims.json --cache .cache/claimbound-wikidata --claim-id CB7K-DOM070-C13Verbatim structured statement and evidence
{"mainsnak":{"snaktype":"value","property":"P1343","hash":"42346dfe9209b7359c1f5db829a368b38d407797","datavalue":{"value":{"entity-type":"item","numeric-id":19180675,"id":"Q19180675"},"type":"wikibase-entityid"}},"type":"statement","qualifiers":{"P805":[{"snaktype":"value","property":"P805","hash":"1d309553833c0a09b45c18a8324e4df36e0280ea","datavalue":{"value":{"entity-type":"item","numeric-id":24767589,"id":"Q24767589"},"type":"wikibase-entityid"}}]},"qualifiers-order":["P805"],"id":"Q556$631ce0cd-422c-5a07-3550-1f821cd5cef0","rank":"normal"}14. hydrogen · described by source
Exact public statement under test
Wikidata statement Q556$4d4fd0b4-417f-9406-b91c-63b13fdbbccb in revision 2521229606 asserts that hydrogen (Q556) publishes described by source (P1343) with value Sytin Military Encyclopedia (Q4114391).
What this card proves
The exact statement GUID and JSON excerpt were publicly present in Wikidata revision 2521229606; the frozen revision content and statement match the recorded SHA-256 values.
What this card does not prove
It does not independently prove that the value is true in the real world, current outside this revision, supported by a primary source, or correctly assigned to this category.
- Exact source
- Wikidata revision 2521229606
- Locator
entity Q556; claims.P1343; statement Q556$4d4fd0b4-417f-9406-b91c-63b13fdbbccb- Captured
- 2026-07-22T17:03:59Z
- Rank / qualifiers
- normal; 1 qualifier snaks
- Wikidata references
- 0 reference blocks — presence is reported, but the referenced sources were not independently checked by this protocol.
- Source SHA-256
e30b402a10d3e4992ba12736756cc27c8126caa1d169f93481b8b20ede8029dd- Statement SHA-256
02a74c5449a7293b4f88519c68bb21de1e2d11012fb10e625e60f0218e521133- Reproduction
- Maintainer run only; no independent operator rerun is registered.
Repeat this exact check locally
Requires Python 3 and network access to Wikidata. Start with an empty cache; the command downloads the immutable revision and verifies the exact excerpt and both hashes.
python3 scripts/build_wikidata_public_claims.py verify-sources artifacts/cb7k_wikidata_public_claims.json --cache .cache/claimbound-wikidata --claim-id CB7K-DOM070-C14Verbatim structured statement and evidence
{"mainsnak":{"snaktype":"value","property":"P1343","hash":"838bca4d129e7db69c9b411c07d03542437bccbb","datavalue":{"value":{"entity-type":"item","numeric-id":4114391,"id":"Q4114391"},"type":"wikibase-entityid"}},"type":"statement","qualifiers":{"P805":[{"snaktype":"value","property":"P805","hash":"fa0330d9f352a234f9a33699e388a49bfba2b5de","datavalue":{"value":{"entity-type":"item","numeric-id":25373810,"id":"Q25373810"},"type":"wikibase-entityid"}}]},"qualifiers-order":["P805"],"id":"Q556$4d4fd0b4-417f-9406-b91c-63b13fdbbccb","rank":"normal"}15. hydrogen · named after
Exact public statement under test
Wikidata statement Q556$fbb038be-4531-82df-02b0-b72060d3d225 in revision 2521229606 asserts that hydrogen (Q556) publishes named after (P138) with value water (Q283).
What this card proves
The exact statement GUID and JSON excerpt were publicly present in Wikidata revision 2521229606; the frozen revision content and statement match the recorded SHA-256 values.
What this card does not prove
It does not independently prove that the value is true in the real world, current outside this revision, supported by a primary source, or correctly assigned to this category.
- Exact source
- Wikidata revision 2521229606
- Locator
entity Q556; claims.P138; statement Q556$fbb038be-4531-82df-02b0-b72060d3d225- Captured
- 2026-07-22T17:03:59Z
- Rank / qualifiers
- normal; 2 qualifier snaks
- Wikidata references
- 0 reference blocks — presence is reported, but the referenced sources were not independently checked by this protocol.
- Source SHA-256
e30b402a10d3e4992ba12736756cc27c8126caa1d169f93481b8b20ede8029dd- Statement SHA-256
19c83c16c79474380c7bb03b6ed7d5fa6fb1ce2b4249fefcb4bb656d7d52ba2e- Reproduction
- Maintainer run only; no independent operator rerun is registered.
Repeat this exact check locally
Requires Python 3 and network access to Wikidata. Start with an empty cache; the command downloads the immutable revision and verifies the exact excerpt and both hashes.
python3 scripts/build_wikidata_public_claims.py verify-sources artifacts/cb7k_wikidata_public_claims.json --cache .cache/claimbound-wikidata --claim-id CB7K-DOM070-C15Verbatim structured statement and evidence
{"mainsnak":{"snaktype":"value","property":"P138","hash":"ff22582acd8c71789db7d88ecbc262018698b1a0","datavalue":{"value":{"entity-type":"item","numeric-id":283,"id":"Q283"},"type":"wikibase-entityid"}},"type":"statement","qualifiers":{"P3938":[{"snaktype":"value","property":"P3938","hash":"867a9c7cd2a0dd65e5e4e0d8b9d95e0417c02d36","datavalue":{"value":{"entity-type":"item","numeric-id":39607,"id":"Q39607"},"type":"wikibase-entityid"}}],"P580":[{"snaktype":"value","property":"P580","hash":"70513e8e857a9c024e5801e27ff0f58fc507f1ca","datavalue":{"value":{"time":"+1783-00-00T00:00:00Z","timezone":0,"before":0,"after":0,"precision":9,"calendarmodel":"http:\/\/www.wikidata.org\/entity\/Q1985727"},"type":"time"}}]},"qualifiers-order":["P3938","P580"],"id":"Q556$fbb038be-4531-82df-02b0-b72060d3d225","rank":"normal"}16. hydrogen · native label
Exact public statement under test
Wikidata statement Q556$8fa05a74-4e1b-8bab-c0d4-da0519e3253f in revision 2521229606 asserts that hydrogen (Q556) publishes native label (P1705) with value Waasserstoff.
What this card proves
The exact statement GUID and JSON excerpt were publicly present in Wikidata revision 2521229606; the frozen revision content and statement match the recorded SHA-256 values.
What this card does not prove
It does not independently prove that the value is true in the real world, current outside this revision, supported by a primary source, or correctly assigned to this category.
- Exact source
- Wikidata revision 2521229606
- Locator
entity Q556; claims.P1705; statement Q556$8fa05a74-4e1b-8bab-c0d4-da0519e3253f- Captured
- 2026-07-22T17:03:59Z
- Rank / qualifiers
- normal; 0 qualifier snaks
- Wikidata references
- 0 reference blocks — presence is reported, but the referenced sources were not independently checked by this protocol.
- Source SHA-256
e30b402a10d3e4992ba12736756cc27c8126caa1d169f93481b8b20ede8029dd- Statement SHA-256
486ce28f405e67b9481ada4c8dcd9826f2af9dce66f9b28092a3783c6920d0a6- Reproduction
- Maintainer run only; no independent operator rerun is registered.
Repeat this exact check locally
Requires Python 3 and network access to Wikidata. Start with an empty cache; the command downloads the immutable revision and verifies the exact excerpt and both hashes.
python3 scripts/build_wikidata_public_claims.py verify-sources artifacts/cb7k_wikidata_public_claims.json --cache .cache/claimbound-wikidata --claim-id CB7K-DOM070-C16Verbatim structured statement and evidence
{"mainsnak":{"snaktype":"value","property":"P1705","hash":"6e33ff10361cd3ca5e1e19b43efb171c1a253a19","datavalue":{"value":{"text":"Waasserstoff","language":"lb"},"type":"monolingualtext"}},"type":"statement","id":"Q556$8fa05a74-4e1b-8bab-c0d4-da0519e3253f","rank":"normal"}17. hydrogen · native label
Exact public statement under test
Wikidata statement Q556$f53ec690-4069-dc44-bce8-513f7bc23748 in revision 2521229606 asserts that hydrogen (Q556) publishes native label (P1705) with value Hydrogène.
What this card proves
The exact statement GUID and JSON excerpt were publicly present in Wikidata revision 2521229606; the frozen revision content and statement match the recorded SHA-256 values.
What this card does not prove
It does not independently prove that the value is true in the real world, current outside this revision, supported by a primary source, or correctly assigned to this category.
- Exact source
- Wikidata revision 2521229606
- Locator
entity Q556; claims.P1705; statement Q556$f53ec690-4069-dc44-bce8-513f7bc23748- Captured
- 2026-07-22T17:03:59Z
- Rank / qualifiers
- normal; 0 qualifier snaks
- Wikidata references
- 0 reference blocks — presence is reported, but the referenced sources were not independently checked by this protocol.
- Source SHA-256
e30b402a10d3e4992ba12736756cc27c8126caa1d169f93481b8b20ede8029dd- Statement SHA-256
f0fbd0bf19fc23887ac0087d37f77e16244639abedcfd3f250272130dfdfa894- Reproduction
- Maintainer run only; no independent operator rerun is registered.
Repeat this exact check locally
Requires Python 3 and network access to Wikidata. Start with an empty cache; the command downloads the immutable revision and verifies the exact excerpt and both hashes.
python3 scripts/build_wikidata_public_claims.py verify-sources artifacts/cb7k_wikidata_public_claims.json --cache .cache/claimbound-wikidata --claim-id CB7K-DOM070-C17Verbatim structured statement and evidence
{"mainsnak":{"snaktype":"value","property":"P1705","hash":"328385f9bba3860e19debaf8419dc8cad1ee7a49","datavalue":{"value":{"text":"Hydrog\u00e8ne","language":"fr"},"type":"monolingualtext"}},"type":"statement","id":"Q556$f53ec690-4069-dc44-bce8-513f7bc23748","rank":"normal"}18. hydrogen · different from
Exact public statement under test
Wikidata statement Q556$1af21b70-4c03-487b-9761-f15d443a5b88 in revision 2521229606 asserts that hydrogen (Q556) publishes different from (P1889) with value dihydrogen (Q3027893).
What this card proves
The exact statement GUID and JSON excerpt were publicly present in Wikidata revision 2521229606; the frozen revision content and statement match the recorded SHA-256 values.
What this card does not prove
It does not independently prove that the value is true in the real world, current outside this revision, supported by a primary source, or correctly assigned to this category.
- Exact source
- Wikidata revision 2521229606
- Locator
entity Q556; claims.P1889; statement Q556$1af21b70-4c03-487b-9761-f15d443a5b88- Captured
- 2026-07-22T17:03:59Z
- Rank / qualifiers
- normal; 0 qualifier snaks
- Wikidata references
- 0 reference blocks — presence is reported, but the referenced sources were not independently checked by this protocol.
- Source SHA-256
e30b402a10d3e4992ba12736756cc27c8126caa1d169f93481b8b20ede8029dd- Statement SHA-256
400a39f6cd911de25bf7e1d90c71587e66d037ce9d86a3ae7f0732b79f48ab1c- Reproduction
- Maintainer run only; no independent operator rerun is registered.
Repeat this exact check locally
Requires Python 3 and network access to Wikidata. Start with an empty cache; the command downloads the immutable revision and verifies the exact excerpt and both hashes.
python3 scripts/build_wikidata_public_claims.py verify-sources artifacts/cb7k_wikidata_public_claims.json --cache .cache/claimbound-wikidata --claim-id CB7K-DOM070-C18Verbatim structured statement and evidence
{"mainsnak":{"snaktype":"value","property":"P1889","hash":"4c6efeb1d085200c85f6dcd303d83b705afab6c1","datavalue":{"value":{"entity-type":"item","numeric-id":3027893,"id":"Q3027893"},"type":"wikibase-entityid"}},"type":"statement","id":"Q556$1af21b70-4c03-487b-9761-f15d443a5b88","rank":"normal"}19. hydrogen · different from
Exact public statement under test
Wikidata statement Q556$9fa21c05-4257-387e-2d6a-61e3064440e0 in revision 2521229606 asserts that hydrogen (Q556) publishes different from (P1889) with value hydrogen atom (Q6643508).
What this card proves
The exact statement GUID and JSON excerpt were publicly present in Wikidata revision 2521229606; the frozen revision content and statement match the recorded SHA-256 values.
What this card does not prove
It does not independently prove that the value is true in the real world, current outside this revision, supported by a primary source, or correctly assigned to this category.
- Exact source
- Wikidata revision 2521229606
- Locator
entity Q556; claims.P1889; statement Q556$9fa21c05-4257-387e-2d6a-61e3064440e0- Captured
- 2026-07-22T17:03:59Z
- Rank / qualifiers
- normal; 0 qualifier snaks
- Wikidata references
- 0 reference blocks — presence is reported, but the referenced sources were not independently checked by this protocol.
- Source SHA-256
e30b402a10d3e4992ba12736756cc27c8126caa1d169f93481b8b20ede8029dd- Statement SHA-256
cc436b129d3b46139041c4c3d9bcb9638fe9886d27ede0b7f9fd75302385a53d- Reproduction
- Maintainer run only; no independent operator rerun is registered.
Repeat this exact check locally
Requires Python 3 and network access to Wikidata. Start with an empty cache; the command downloads the immutable revision and verifies the exact excerpt and both hashes.
python3 scripts/build_wikidata_public_claims.py verify-sources artifacts/cb7k_wikidata_public_claims.json --cache .cache/claimbound-wikidata --claim-id CB7K-DOM070-C19Verbatim structured statement and evidence
{"mainsnak":{"snaktype":"value","property":"P1889","hash":"07bf6e8e4bc54e87adee24f49dd11ccfdf3fb671","datavalue":{"value":{"entity-type":"item","numeric-id":6643508,"id":"Q6643508"},"type":"wikibase-entityid"}},"type":"statement","id":"Q556$9fa21c05-4257-387e-2d6a-61e3064440e0","rank":"normal"}20. hydrogen · different from
Exact public statement under test
Wikidata statement Q556$A09BC328-52F0-4875-92AA-3355168BF9D2 in revision 2521229606 asserts that hydrogen (Q556) publishes different from (P1889) with value hydrogen molecule (Q19822725).
What this card proves
The exact statement GUID and JSON excerpt were publicly present in Wikidata revision 2521229606; the frozen revision content and statement match the recorded SHA-256 values.
What this card does not prove
It does not independently prove that the value is true in the real world, current outside this revision, supported by a primary source, or correctly assigned to this category.
- Exact source
- Wikidata revision 2521229606
- Locator
entity Q556; claims.P1889; statement Q556$A09BC328-52F0-4875-92AA-3355168BF9D2- Captured
- 2026-07-22T17:03:59Z
- Rank / qualifiers
- normal; 0 qualifier snaks
- Wikidata references
- 1 reference blocks — presence is reported, but the referenced sources were not independently checked by this protocol.
- Source SHA-256
e30b402a10d3e4992ba12736756cc27c8126caa1d169f93481b8b20ede8029dd- Statement SHA-256
56fdac8240716c91ccb85f413ee8e052010f2ac26c96e0951402b5cc2de1b280- Reproduction
- Maintainer run only; no independent operator rerun is registered.
Repeat this exact check locally
Requires Python 3 and network access to Wikidata. Start with an empty cache; the command downloads the immutable revision and verifies the exact excerpt and both hashes.
python3 scripts/build_wikidata_public_claims.py verify-sources artifacts/cb7k_wikidata_public_claims.json --cache .cache/claimbound-wikidata --claim-id CB7K-DOM070-C20Verbatim structured statement and evidence
{"mainsnak":{"snaktype":"value","property":"P1889","hash":"791cca0dd40def8c117403e925a0ac3a28191556","datavalue":{"value":{"entity-type":"item","numeric-id":19822725,"id":"Q19822725"},"type":"wikibase-entityid"}},"type":"statement","id":"Q556$A09BC328-52F0-4875-92AA-3355168BF9D2","rank":"normal","references":[{"hash":"44cc987d8b7568086bae0908d0fbfa94c5621700","snaks":{"P3452":[{"snaktype":"value","property":"P3452","hash":"fb677a21bd5ef6ea838ae83d17947b4eaa14f0d3","datavalue":{"value":{"entity-type":"item","numeric-id":19822725,"id":"Q19822725"},"type":"wikibase-entityid"}}]},"snaks-order":["P3452"]}]}21. hydrogen · location of discovery
Exact public statement under test
Wikidata statement Q556$ddf2432b-499e-8f5f-4b3c-b47b2670d8f2 in revision 2521229606 asserts that hydrogen (Q556) publishes location of discovery (P189) with value Russian Empire (Q34266).
What this card proves
The exact statement GUID and JSON excerpt were publicly present in Wikidata revision 2521229606; the frozen revision content and statement match the recorded SHA-256 values.
What this card does not prove
It does not independently prove that the value is true in the real world, current outside this revision, supported by a primary source, or correctly assigned to this category.
- Exact source
- Wikidata revision 2521229606
- Locator
entity Q556; claims.P189; statement Q556$ddf2432b-499e-8f5f-4b3c-b47b2670d8f2- Captured
- 2026-07-22T17:03:59Z
- Rank / qualifiers
- normal; 0 qualifier snaks
- Wikidata references
- 0 reference blocks — presence is reported, but the referenced sources were not independently checked by this protocol.
- Source SHA-256
e30b402a10d3e4992ba12736756cc27c8126caa1d169f93481b8b20ede8029dd- Statement SHA-256
ea21ab3c00ff2642ab5ea698a1d5c7ef0f1197e2bb35ea3b19878a80cd6a304d- Reproduction
- Maintainer run only; no independent operator rerun is registered.
Repeat this exact check locally
Requires Python 3 and network access to Wikidata. Start with an empty cache; the command downloads the immutable revision and verifies the exact excerpt and both hashes.
python3 scripts/build_wikidata_public_claims.py verify-sources artifacts/cb7k_wikidata_public_claims.json --cache .cache/claimbound-wikidata --claim-id CB7K-DOM070-C21Verbatim structured statement and evidence
{"mainsnak":{"snaktype":"value","property":"P189","hash":"76f5e85c876a50723905095c706e0139b71d3067","datavalue":{"value":{"entity-type":"item","numeric-id":34266,"id":"Q34266"},"type":"wikibase-entityid"}},"type":"statement","id":"Q556$ddf2432b-499e-8f5f-4b3c-b47b2670d8f2","rank":"normal"}22. hydrogen · location of discovery
Exact public statement under test
Wikidata statement Q556$a0562516-47de-b38d-ea3b-a7700d36e2c4 in revision 2521229606 asserts that hydrogen (Q556) publishes location of discovery (P189) with value United Kingdom (Q145).
What this card proves
The exact statement GUID and JSON excerpt were publicly present in Wikidata revision 2521229606; the frozen revision content and statement match the recorded SHA-256 values.
What this card does not prove
It does not independently prove that the value is true in the real world, current outside this revision, supported by a primary source, or correctly assigned to this category.
- Exact source
- Wikidata revision 2521229606
- Locator
entity Q556; claims.P189; statement Q556$a0562516-47de-b38d-ea3b-a7700d36e2c4- Captured
- 2026-07-22T17:03:59Z
- Rank / qualifiers
- preferred; 0 qualifier snaks
- Wikidata references
- 0 reference blocks — presence is reported, but the referenced sources were not independently checked by this protocol.
- Source SHA-256
e30b402a10d3e4992ba12736756cc27c8126caa1d169f93481b8b20ede8029dd- Statement SHA-256
690aad4dd2a95a4a22a5d5bc87af900168b5e8d280cf07755792537dfccc9271- Reproduction
- Maintainer run only; no independent operator rerun is registered.
Repeat this exact check locally
Requires Python 3 and network access to Wikidata. Start with an empty cache; the command downloads the immutable revision and verifies the exact excerpt and both hashes.
python3 scripts/build_wikidata_public_claims.py verify-sources artifacts/cb7k_wikidata_public_claims.json --cache .cache/claimbound-wikidata --claim-id CB7K-DOM070-C22Verbatim structured statement and evidence
{"mainsnak":{"snaktype":"value","property":"P189","hash":"8d4def889bb5747b05f2a1720372d9e672743c99","datavalue":{"value":{"entity-type":"item","numeric-id":145,"id":"Q145"},"type":"wikibase-entityid"}},"type":"statement","id":"Q556$a0562516-47de-b38d-ea3b-a7700d36e2c4","rank":"preferred"}23. hydrogen · location of discovery
Exact public statement under test
Wikidata statement Q556$9c9a31d2-4df2-82d1-28e7-5bc98d485594 in revision 2521229606 asserts that hydrogen (Q556) publishes location of discovery (P189) with value France (Q142).
What this card proves
The exact statement GUID and JSON excerpt were publicly present in Wikidata revision 2521229606; the frozen revision content and statement match the recorded SHA-256 values.
What this card does not prove
It does not independently prove that the value is true in the real world, current outside this revision, supported by a primary source, or correctly assigned to this category.
- Exact source
- Wikidata revision 2521229606
- Locator
entity Q556; claims.P189; statement Q556$9c9a31d2-4df2-82d1-28e7-5bc98d485594- Captured
- 2026-07-22T17:03:59Z
- Rank / qualifiers
- normal; 0 qualifier snaks
- Wikidata references
- 0 reference blocks — presence is reported, but the referenced sources were not independently checked by this protocol.
- Source SHA-256
e30b402a10d3e4992ba12736756cc27c8126caa1d169f93481b8b20ede8029dd- Statement SHA-256
ffebdc5d86a5c4d4853f9ea42172ff8e5a6d8ed725fc96af29af12b20adebfb8- Reproduction
- Maintainer run only; no independent operator rerun is registered.
Repeat this exact check locally
Requires Python 3 and network access to Wikidata. Start with an empty cache; the command downloads the immutable revision and verifies the exact excerpt and both hashes.
python3 scripts/build_wikidata_public_claims.py verify-sources artifacts/cb7k_wikidata_public_claims.json --cache .cache/claimbound-wikidata --claim-id CB7K-DOM070-C23Verbatim structured statement and evidence
{"mainsnak":{"snaktype":"value","property":"P189","hash":"9b3f152a0156b90220253bb6e85d599b94458bfe","datavalue":{"value":{"entity-type":"item","numeric-id":142,"id":"Q142"},"type":"wikibase-entityid"}},"type":"statement","id":"Q556$9c9a31d2-4df2-82d1-28e7-5bc98d485594","rank":"normal"}24. hydrogen · density
Exact public statement under test
Wikidata statement Q556$a72cfa22-4027-4c96-b27a-d7378a88e9e5 in revision 2521229606 asserts that hydrogen (Q556) publishes density (P2054) with value +0.089870.
What this card proves
The exact statement GUID and JSON excerpt were publicly present in Wikidata revision 2521229606; the frozen revision content and statement match the recorded SHA-256 values.
What this card does not prove
It does not independently prove that the value is true in the real world, current outside this revision, supported by a primary source, or correctly assigned to this category.
- Exact source
- Wikidata revision 2521229606
- Locator
entity Q556; claims.P2054; statement Q556$a72cfa22-4027-4c96-b27a-d7378a88e9e5- Captured
- 2026-07-22T17:03:59Z
- Rank / qualifiers
- normal; 3 qualifier snaks
- Wikidata references
- 1 reference blocks — presence is reported, but the referenced sources were not independently checked by this protocol.
- Source SHA-256
e30b402a10d3e4992ba12736756cc27c8126caa1d169f93481b8b20ede8029dd- Statement SHA-256
4cc5b3780253f22f42a3e20713ee4dd4611851f17ad099f022b0853f9c7ea66d- Reproduction
- Maintainer run only; no independent operator rerun is registered.
Repeat this exact check locally
Requires Python 3 and network access to Wikidata. Start with an empty cache; the command downloads the immutable revision and verifies the exact excerpt and both hashes.
python3 scripts/build_wikidata_public_claims.py verify-sources artifacts/cb7k_wikidata_public_claims.json --cache .cache/claimbound-wikidata --claim-id CB7K-DOM070-C24Verbatim structured statement and evidence
{"mainsnak":{"snaktype":"value","property":"P2054","hash":"70d1be13bad0b19200ce5872100fd13938472447","datavalue":{"value":{"amount":"+0.089870","unit":"http:\/\/www.wikidata.org\/entity\/Q844211"},"type":"quantity"}},"type":"statement","qualifiers":{"P2076":[{"snaktype":"value","property":"P2076","hash":"15dbf1e2325ab68c1f03018f6fd6bb04537afddd","datavalue":{"value":{"amount":"+0","unit":"http:\/\/www.wikidata.org\/entity\/Q25267"},"type":"quantity"}}],"P515":[{"snaktype":"value","property":"P515","hash":"09bd8f2c5b1d016049ceed95a91df560c835c038","datavalue":{"value":{"entity-type":"item","numeric-id":11432,"id":"Q11432"},"type":"wikibase-entityid"}}],"P2077":[{"snaktype":"value","property":"P2077","hash":"abbb1724dc947a108e583c9fd9cef5e5d4cc0593","datavalue":{"value":{"amount":"+101.325","unit":"http:\/\/www.wikidata.org\/entity\/Q21064807"},"type":"quantity"}}]},"qualifiers-order":["P2076","P515","P2077"],"id":"Q556$a72cfa22-4027-4c96-b27a-d7378a88e9e5","rank":"normal","references":[{"hash":"a814357f63fc5296e7c7ba391c70ed36f05db768","snaks":{"P854":[{"snaktype":"value","property":"P854","hash":"0b6b04f853db6a1305407682a68c290afe2efeac","datavalue":{"value":"https:\/\/books.google.com\/books?id=vEwj1WZKThEC&pg=PA240","type":"string"}}],"P1476":[{"snaktype":"value","property":"P1476","hash":"bc9d8c3649f992115dce9c1d48c6ea7d53a02886","datavalue":{"value":{"text":"Inorganic chemistry","language":"en"},"type":"monolingualtext"}}],"P50":[{"snaktype":"value","property":"P50","hash":"5e4900647402f5fe32845566f5e1c44f39ad3505","datavalue":{"value":{"entity-type":"item","numeric-id":1298972,"id":"Q1298972"},"type":"wikibase-entityid"}}],"P577":[{"snaktype":"value","property":"P577","hash":"79b14efd2a447f0485518bd1812b0840495615c7","datavalue":{"value":{"time":"+2001-00-00T00:00:00Z","timezone":0,"before":0,"after":0,"precision":9,"calendarmodel":"http:\/\/www.wikidata.org\/entity\/Q1985727"},"type":"time"}}],"P212":[{"snaktype":"value","property":"P212","hash":"5f2da374d0ddd9d8a7f94ff0d55006779bff3c82","datavalue":{"value":"978-01-2352-651-9","type":"string"}}],"P304":[{"snaktype":"value","property":"P304","hash":"7f346a1d11fbcc26c4a77723716506ddc756e577","datavalue":{"value":"240","type":"string"}}],"P675":[{"snaktype":"value","property":"P675","hash":"9b9d5f487370f5324973c1e974e4993c57b04e89","datavalue":{"value":"vEwj1WZKThEC","type":"string"}}]},"snaks-order":["P854","P1476","P50","P577","P212","P304","P675"]}]}25. hydrogen · mass
Exact public statement under test
Wikidata statement Q556$91b53d24-4ee2-7370-e5dd-7a7fa9753745 in revision 2521229606 asserts that hydrogen (Q556) publishes mass (P2067) with value +1.008.
What this card proves
The exact statement GUID and JSON excerpt were publicly present in Wikidata revision 2521229606; the frozen revision content and statement match the recorded SHA-256 values.
What this card does not prove
It does not independently prove that the value is true in the real world, current outside this revision, supported by a primary source, or correctly assigned to this category.
- Exact source
- Wikidata revision 2521229606
- Locator
entity Q556; claims.P2067; statement Q556$91b53d24-4ee2-7370-e5dd-7a7fa9753745- Captured
- 2026-07-22T17:03:59Z
- Rank / qualifiers
- normal; 3 qualifier snaks
- Wikidata references
- 1 reference blocks — presence is reported, but the referenced sources were not independently checked by this protocol.
- Source SHA-256
e30b402a10d3e4992ba12736756cc27c8126caa1d169f93481b8b20ede8029dd- Statement SHA-256
b71c74d86d159c349a0e0760d2ef5e268ca5517d99a0e6be61f398f12deb6bd4- Reproduction
- Maintainer run only; no independent operator rerun is registered.
Repeat this exact check locally
Requires Python 3 and network access to Wikidata. Start with an empty cache; the command downloads the immutable revision and verifies the exact excerpt and both hashes.
python3 scripts/build_wikidata_public_claims.py verify-sources artifacts/cb7k_wikidata_public_claims.json --cache .cache/claimbound-wikidata --claim-id CB7K-DOM070-C25Verbatim structured statement and evidence
{"mainsnak":{"snaktype":"value","property":"P2067","hash":"f27343ded9ea848122a0082865b8fd613e77f8af","datavalue":{"value":{"amount":"+1.008","unit":"http:\/\/www.wikidata.org\/entity\/Q483261","upperBound":"+1.0082","lowerBound":"+1.0078"},"type":"quantity"}},"type":"statement","qualifiers":{"P5448":[{"snaktype":"value","property":"P5448","hash":"f0a113236a742a52f92390736e07b37502d666a9","datavalue":{"value":{"amount":"+1.00784","unit":"http:\/\/www.wikidata.org\/entity\/Q483261"},"type":"quantity"}}],"P5447":[{"snaktype":"value","property":"P5447","hash":"bc0ef30984e0fba808cf1491bb6b628f3e52367b","datavalue":{"value":{"amount":"+1.00811","unit":"http:\/\/www.wikidata.org\/entity\/Q483261"},"type":"quantity"}}],"P459":[{"snaktype":"value","property":"P459","hash":"6f31f17a1f008748b9550595420ad82a6ab2a4fc","datavalue":{"value":{"entity-type":"item","numeric-id":28912964,"id":"Q28912964"},"type":"wikibase-entityid"}}]},"qualifiers-order":["P5448","P5447","P459"],"id":"Q556$91b53d24-4ee2-7370-e5dd-7a7fa9753745","rank":"normal","references":[{"hash":"63d589ca039ecb96fc4deec66bd63c17d67d1107","snaks":{"P1476":[{"snaktype":"value","property":"P1476","hash":"f2df2fcce8102bcef2f59c6cfce446f7edb13707","datavalue":{"value":{"text":"Standard atomic weights of the elements 2021 (IUPAC Technical Report)","language":"en"},"type":"monolingualtext"}}],"P813":[{"snaktype":"value","property":"P813","hash":"bd75bd32c232b6cc65b6f23d786242b1d3f2986a","datavalue":{"value":{"time":"+2022-05-06T00:00:00Z","timezone":0,"before":0,"after":0,"precision":11,"calendarmodel":"http:\/\/www.wikidata.org\/entity\/Q1985727"},"type":"time"}}],"P248":[{"snaktype":"value","property":"P248","hash":"0623f19775b66069e86c8df88c277d78aaba3a42","datavalue":{"value":{"entity-type":"item","numeric-id":2425378,"id":"Q2425378"},"type":"wikibase-entityid"}}],"P356":[{"snaktype":"value","property":"P356","hash":"90e73828c70ac02813f53f76c441a653148c670b","datavalue":{"value":"10.1515\/PAC-2019-0603","type":"string"}}]},"snaks-order":["P1476","P813","P248","P356"]}]}26. hydrogen · thermal conductivity
Exact public statement under test
Wikidata statement Q556$b5ffea5a-4d40-ebfb-4b80-32d41d997f2f in revision 2521229606 asserts that hydrogen (Q556) publishes thermal conductivity (P2068) with value +0.1805.
What this card proves
The exact statement GUID and JSON excerpt were publicly present in Wikidata revision 2521229606; the frozen revision content and statement match the recorded SHA-256 values.
What this card does not prove
It does not independently prove that the value is true in the real world, current outside this revision, supported by a primary source, or correctly assigned to this category.
- Exact source
- Wikidata revision 2521229606
- Locator
entity Q556; claims.P2068; statement Q556$b5ffea5a-4d40-ebfb-4b80-32d41d997f2f- Captured
- 2026-07-22T17:03:59Z
- Rank / qualifiers
- normal; 2 qualifier snaks
- Wikidata references
- 1 reference blocks — presence is reported, but the referenced sources were not independently checked by this protocol.
- Source SHA-256
e30b402a10d3e4992ba12736756cc27c8126caa1d169f93481b8b20ede8029dd- Statement SHA-256
7b440395b255f5e5701759cfef5a01110cffe60c0c5bea2f843413387517fadb- Reproduction
- Maintainer run only; no independent operator rerun is registered.
Repeat this exact check locally
Requires Python 3 and network access to Wikidata. Start with an empty cache; the command downloads the immutable revision and verifies the exact excerpt and both hashes.
python3 scripts/build_wikidata_public_claims.py verify-sources artifacts/cb7k_wikidata_public_claims.json --cache .cache/claimbound-wikidata --claim-id CB7K-DOM070-C26Verbatim structured statement and evidence
{"mainsnak":{"snaktype":"value","property":"P2068","hash":"f955f6ff5983260a3cf1060b8c366e08b913d44e","datavalue":{"value":{"amount":"+0.1805","unit":"http:\/\/www.wikidata.org\/entity\/Q1463969"},"type":"quantity"}},"type":"statement","qualifiers":{"P2076":[{"snaktype":"value","property":"P2076","hash":"15dbf1e2325ab68c1f03018f6fd6bb04537afddd","datavalue":{"value":{"amount":"+0","unit":"http:\/\/www.wikidata.org\/entity\/Q25267"},"type":"quantity"}}],"P515":[{"snaktype":"value","property":"P515","hash":"09bd8f2c5b1d016049ceed95a91df560c835c038","datavalue":{"value":{"entity-type":"item","numeric-id":11432,"id":"Q11432"},"type":"wikibase-entityid"}}]},"qualifiers-order":["P2076","P515"],"id":"Q556$b5ffea5a-4d40-ebfb-4b80-32d41d997f2f","rank":"normal","references":[{"hash":"b05d94f70ba7231f16c2e495622ae7ab762610e4","snaks":{"P854":[{"snaktype":"value","property":"P854","hash":"3c8b60c1b051eac14b81f1df60ca09104e7667df","datavalue":{"value":"https:\/\/www.wolframalpha.com\/input\/?i=Entity%5B%22Element%22,+%22Hydrogen%22%5D","type":"string"}}]},"snaks-order":["P854"]}]}27. hydrogen · speed of sound
Exact public statement under test
Wikidata statement Q556$788b13df-4e8e-9599-bfe3-ff6d757750b4 in revision 2521229606 asserts that hydrogen (Q556) publishes speed of sound (P2075) with value +1270.
What this card proves
The exact statement GUID and JSON excerpt were publicly present in Wikidata revision 2521229606; the frozen revision content and statement match the recorded SHA-256 values.
What this card does not prove
It does not independently prove that the value is true in the real world, current outside this revision, supported by a primary source, or correctly assigned to this category.
- Exact source
- Wikidata revision 2521229606
- Locator
entity Q556; claims.P2075; statement Q556$788b13df-4e8e-9599-bfe3-ff6d757750b4- Captured
- 2026-07-22T17:03:59Z
- Rank / qualifiers
- normal; 2 qualifier snaks
- Wikidata references
- 1 reference blocks — presence is reported, but the referenced sources were not independently checked by this protocol.
- Source SHA-256
e30b402a10d3e4992ba12736756cc27c8126caa1d169f93481b8b20ede8029dd- Statement SHA-256
17d0b75da3d0e21ec556ef74624298528b6f4315043394698962370978135d8f- Reproduction
- Maintainer run only; no independent operator rerun is registered.
Repeat this exact check locally
Requires Python 3 and network access to Wikidata. Start with an empty cache; the command downloads the immutable revision and verifies the exact excerpt and both hashes.
python3 scripts/build_wikidata_public_claims.py verify-sources artifacts/cb7k_wikidata_public_claims.json --cache .cache/claimbound-wikidata --claim-id CB7K-DOM070-C27Verbatim structured statement and evidence
{"mainsnak":{"snaktype":"value","property":"P2075","hash":"55510e9b2168d974b582dc3f61df0267816e409a","datavalue":{"value":{"amount":"+1270","unit":"http:\/\/www.wikidata.org\/entity\/Q182429"},"type":"quantity"}},"type":"statement","qualifiers":{"P2076":[{"snaktype":"value","property":"P2076","hash":"15dbf1e2325ab68c1f03018f6fd6bb04537afddd","datavalue":{"value":{"amount":"+0","unit":"http:\/\/www.wikidata.org\/entity\/Q25267"},"type":"quantity"}}],"P515":[{"snaktype":"value","property":"P515","hash":"09bd8f2c5b1d016049ceed95a91df560c835c038","datavalue":{"value":{"entity-type":"item","numeric-id":11432,"id":"Q11432"},"type":"wikibase-entityid"}}]},"qualifiers-order":["P2076","P515"],"id":"Q556$788b13df-4e8e-9599-bfe3-ff6d757750b4","rank":"normal","references":[{"hash":"b05d94f70ba7231f16c2e495622ae7ab762610e4","snaks":{"P854":[{"snaktype":"value","property":"P854","hash":"3c8b60c1b051eac14b81f1df60ca09104e7667df","datavalue":{"value":"https:\/\/www.wolframalpha.com\/input\/?i=Entity%5B%22Element%22,+%22Hydrogen%22%5D","type":"string"}}]},"snaks-order":["P854"]}]}28. hydrogen · melting point
Exact public statement under test
Wikidata statement Q556$ea800bfb-491a-7b72-3da9-878ed84eefaa in revision 2521229606 asserts that hydrogen (Q556) publishes melting point (P2101) with value -259.14.
What this card proves
The exact statement GUID and JSON excerpt were publicly present in Wikidata revision 2521229606; the frozen revision content and statement match the recorded SHA-256 values.
What this card does not prove
It does not independently prove that the value is true in the real world, current outside this revision, supported by a primary source, or correctly assigned to this category.
- Exact source
- Wikidata revision 2521229606
- Locator
entity Q556; claims.P2101; statement Q556$ea800bfb-491a-7b72-3da9-878ed84eefaa- Captured
- 2026-07-22T17:03:59Z
- Rank / qualifiers
- normal; 0 qualifier snaks
- Wikidata references
- 1 reference blocks — presence is reported, but the referenced sources were not independently checked by this protocol.
- Source SHA-256
e30b402a10d3e4992ba12736756cc27c8126caa1d169f93481b8b20ede8029dd- Statement SHA-256
44c2c6a337435cecc31e2810e4d6b38a1ccbb666eb838c6a7b33f0d58833bc27- Reproduction
- Maintainer run only; no independent operator rerun is registered.
Repeat this exact check locally
Requires Python 3 and network access to Wikidata. Start with an empty cache; the command downloads the immutable revision and verifies the exact excerpt and both hashes.
python3 scripts/build_wikidata_public_claims.py verify-sources artifacts/cb7k_wikidata_public_claims.json --cache .cache/claimbound-wikidata --claim-id CB7K-DOM070-C28Verbatim structured statement and evidence
{"mainsnak":{"snaktype":"value","property":"P2101","hash":"868ea618a297d8ab9a765a054c7e2ca205c0b7cb","datavalue":{"value":{"amount":"-259.14","unit":"http:\/\/www.wikidata.org\/entity\/Q25267"},"type":"quantity"}},"type":"statement","id":"Q556$ea800bfb-491a-7b72-3da9-878ed84eefaa","rank":"normal","references":[{"hash":"b05d94f70ba7231f16c2e495622ae7ab762610e4","snaks":{"P854":[{"snaktype":"value","property":"P854","hash":"3c8b60c1b051eac14b81f1df60ca09104e7667df","datavalue":{"value":"https:\/\/www.wolframalpha.com\/input\/?i=Entity%5B%22Element%22,+%22Hydrogen%22%5D","type":"string"}}]},"snaks-order":["P854"]}]}29. hydrogen · boiling point
Exact public statement under test
Wikidata statement Q556$08c854eb-4bd1-500c-e8a5-770bfd9e9094 in revision 2521229606 asserts that hydrogen (Q556) publishes boiling point (P2102) with value -252.87.
What this card proves
The exact statement GUID and JSON excerpt were publicly present in Wikidata revision 2521229606; the frozen revision content and statement match the recorded SHA-256 values.
What this card does not prove
It does not independently prove that the value is true in the real world, current outside this revision, supported by a primary source, or correctly assigned to this category.
- Exact source
- Wikidata revision 2521229606
- Locator
entity Q556; claims.P2102; statement Q556$08c854eb-4bd1-500c-e8a5-770bfd9e9094- Captured
- 2026-07-22T17:03:59Z
- Rank / qualifiers
- normal; 1 qualifier snaks
- Wikidata references
- 1 reference blocks — presence is reported, but the referenced sources were not independently checked by this protocol.
- Source SHA-256
e30b402a10d3e4992ba12736756cc27c8126caa1d169f93481b8b20ede8029dd- Statement SHA-256
88a8de9015e09a6d8e78ab8e1da3a049224b349bd0f7e1c6943336a8fee8531a- Reproduction
- Maintainer run only; no independent operator rerun is registered.
Repeat this exact check locally
Requires Python 3 and network access to Wikidata. Start with an empty cache; the command downloads the immutable revision and verifies the exact excerpt and both hashes.
python3 scripts/build_wikidata_public_claims.py verify-sources artifacts/cb7k_wikidata_public_claims.json --cache .cache/claimbound-wikidata --claim-id CB7K-DOM070-C29Verbatim structured statement and evidence
{"mainsnak":{"snaktype":"value","property":"P2102","hash":"40eb9ad552a58d316cfc36c49f0b9fd92817b99a","datavalue":{"value":{"amount":"-252.87","unit":"http:\/\/www.wikidata.org\/entity\/Q25267"},"type":"quantity"}},"type":"statement","qualifiers":{"P2077":[{"snaktype":"value","property":"P2077","hash":"be843e677342d488ba16c7394de937ca011d036e","datavalue":{"value":{"amount":"+100","unit":"http:\/\/www.wikidata.org\/entity\/Q21064807"},"type":"quantity"}}]},"qualifiers-order":["P2077"],"id":"Q556$08c854eb-4bd1-500c-e8a5-770bfd9e9094","rank":"normal","references":[{"hash":"b05d94f70ba7231f16c2e495622ae7ab762610e4","snaks":{"P854":[{"snaktype":"value","property":"P854","hash":"3c8b60c1b051eac14b81f1df60ca09104e7667df","datavalue":{"value":"https:\/\/www.wolframalpha.com\/input\/?i=Entity%5B%22Element%22,+%22Hydrogen%22%5D","type":"string"}}]},"snaks-order":["P854"]}]}30. hydrogen · molar enthalpy of vaporization
Exact public statement under test
Wikidata statement Q556$1060ab2c-475d-8e87-ad2e-3475aeb5e485 in revision 2521229606 asserts that hydrogen (Q556) publishes molar enthalpy of vaporization (P2116) with value +0.452.
What this card proves
The exact statement GUID and JSON excerpt were publicly present in Wikidata revision 2521229606; the frozen revision content and statement match the recorded SHA-256 values.
What this card does not prove
It does not independently prove that the value is true in the real world, current outside this revision, supported by a primary source, or correctly assigned to this category.
- Exact source
- Wikidata revision 2521229606
- Locator
entity Q556; claims.P2116; statement Q556$1060ab2c-475d-8e87-ad2e-3475aeb5e485- Captured
- 2026-07-22T17:03:59Z
- Rank / qualifiers
- normal; 1 qualifier snaks
- Wikidata references
- 1 reference blocks — presence is reported, but the referenced sources were not independently checked by this protocol.
- Source SHA-256
e30b402a10d3e4992ba12736756cc27c8126caa1d169f93481b8b20ede8029dd- Statement SHA-256
fc87adff92c25e2ef6db3456197617c26e04fbf2f2d5f157ceb37f63f15d7bf2- Reproduction
- Maintainer run only; no independent operator rerun is registered.
Repeat this exact check locally
Requires Python 3 and network access to Wikidata. Start with an empty cache; the command downloads the immutable revision and verifies the exact excerpt and both hashes.
python3 scripts/build_wikidata_public_claims.py verify-sources artifacts/cb7k_wikidata_public_claims.json --cache .cache/claimbound-wikidata --claim-id CB7K-DOM070-C30Verbatim structured statement and evidence
{"mainsnak":{"snaktype":"value","property":"P2116","hash":"0bd994a1b4dd7bf12a7706529ecb8377edfc0797","datavalue":{"value":{"amount":"+0.452","unit":"http:\/\/www.wikidata.org\/entity\/Q752197"},"type":"quantity"}},"type":"statement","qualifiers":{"P2076":[{"snaktype":"value","property":"P2076","hash":"15dbf1e2325ab68c1f03018f6fd6bb04537afddd","datavalue":{"value":{"amount":"+0","unit":"http:\/\/www.wikidata.org\/entity\/Q25267"},"type":"quantity"}}]},"qualifiers-order":["P2076"],"id":"Q556$1060ab2c-475d-8e87-ad2e-3475aeb5e485","rank":"normal","references":[{"hash":"b05d94f70ba7231f16c2e495622ae7ab762610e4","snaks":{"P854":[{"snaktype":"value","property":"P854","hash":"3c8b60c1b051eac14b81f1df60ca09104e7667df","datavalue":{"value":"https:\/\/www.wolframalpha.com\/input\/?i=Entity%5B%22Element%22,+%22Hydrogen%22%5D","type":"string"}}]},"snaks-order":["P854"]}]}31. hydrogen · ionization energy
Exact public statement under test
Wikidata statement Q556$1ce984df-4976-3a3a-8d39-382ae0861d8c in revision 2521229606 asserts that hydrogen (Q556) publishes ionization energy (P2260) with value +13.598.
What this card proves
The exact statement GUID and JSON excerpt were publicly present in Wikidata revision 2521229606; the frozen revision content and statement match the recorded SHA-256 values.
What this card does not prove
It does not independently prove that the value is true in the real world, current outside this revision, supported by a primary source, or correctly assigned to this category.
- Exact source
- Wikidata revision 2521229606
- Locator
entity Q556; claims.P2260; statement Q556$1ce984df-4976-3a3a-8d39-382ae0861d8c- Captured
- 2026-07-22T17:03:59Z
- Rank / qualifiers
- normal; 1 qualifier snaks
- Wikidata references
- 1 reference blocks — presence is reported, but the referenced sources were not independently checked by this protocol.
- Source SHA-256
e30b402a10d3e4992ba12736756cc27c8126caa1d169f93481b8b20ede8029dd- Statement SHA-256
b6391ca8fe35ef05193ad3e089a327c5757dd73aad1fceeb7be31a6cc01148f0- Reproduction
- Maintainer run only; no independent operator rerun is registered.
Repeat this exact check locally
Requires Python 3 and network access to Wikidata. Start with an empty cache; the command downloads the immutable revision and verifies the exact excerpt and both hashes.
python3 scripts/build_wikidata_public_claims.py verify-sources artifacts/cb7k_wikidata_public_claims.json --cache .cache/claimbound-wikidata --claim-id CB7K-DOM070-C31Verbatim structured statement and evidence
{"mainsnak":{"snaktype":"value","property":"P2260","hash":"699cb5cc12f6265495fe5a88883cb5e72b615353","datavalue":{"value":{"amount":"+13.598","unit":"http:\/\/www.wikidata.org\/entity\/Q83327"},"type":"quantity"}},"type":"statement","qualifiers":{"P1545":[{"snaktype":"value","property":"P1545","hash":"2a1ced1dca90648ea7e306acbadd74fc81a10722","datavalue":{"value":"1","type":"string"}}]},"qualifiers-order":["P1545"],"id":"Q556$1ce984df-4976-3a3a-8d39-382ae0861d8c","rank":"normal","references":[{"hash":"b05d94f70ba7231f16c2e495622ae7ab762610e4","snaks":{"P854":[{"snaktype":"value","property":"P854","hash":"3c8b60c1b051eac14b81f1df60ca09104e7667df","datavalue":{"value":"https:\/\/www.wolframalpha.com\/input\/?i=Entity%5B%22Element%22,+%22Hydrogen%22%5D","type":"string"}}]},"snaks-order":["P854"]}]}32. hydrogen · element symbol
Exact public statement under test
Wikidata statement q556$0AEA967B-0169-4FCE-A7D4-73FCC0A916AB in revision 2521229606 asserts that hydrogen (Q556) publishes element symbol (P246) with value "H".
What this card proves
The exact statement GUID and JSON excerpt were publicly present in Wikidata revision 2521229606; the frozen revision content and statement match the recorded SHA-256 values.
What this card does not prove
It does not independently prove that the value is true in the real world, current outside this revision, supported by a primary source, or correctly assigned to this category.
- Exact source
- Wikidata revision 2521229606
- Locator
entity Q556; claims.P246; statement q556$0AEA967B-0169-4FCE-A7D4-73FCC0A916AB- Captured
- 2026-07-22T17:03:59Z
- Rank / qualifiers
- normal; 0 qualifier snaks
- Wikidata references
- 1 reference blocks — presence is reported, but the referenced sources were not independently checked by this protocol.
- Source SHA-256
e30b402a10d3e4992ba12736756cc27c8126caa1d169f93481b8b20ede8029dd- Statement SHA-256
f2a5bee1ffde6e950283f7e3534591a23f481cbc3f8a7a9a83ff4cd32fc078d6- Reproduction
- Maintainer run only; no independent operator rerun is registered.
Repeat this exact check locally
Requires Python 3 and network access to Wikidata. Start with an empty cache; the command downloads the immutable revision and verifies the exact excerpt and both hashes.
python3 scripts/build_wikidata_public_claims.py verify-sources artifacts/cb7k_wikidata_public_claims.json --cache .cache/claimbound-wikidata --claim-id CB7K-DOM070-C32Verbatim structured statement and evidence
{"mainsnak":{"snaktype":"value","property":"P246","hash":"ea554cc2b1afd6fe2521af7f047229a97321cc7e","datavalue":{"value":"H","type":"string"}},"type":"statement","id":"q556$0AEA967B-0169-4FCE-A7D4-73FCC0A916AB","rank":"normal","references":[{"hash":"82f258f3528e2da0871c79c45f80dda319e845d8","snaks":{"P248":[{"snaktype":"value","property":"P248","hash":"19cce87cdd7b4ce823c463ae1e89553a8f8eaa9b","datavalue":{"value":{"entity-type":"item","numeric-id":13422885,"id":"Q13422885"},"type":"wikibase-entityid"}}]},"snaks-order":["P248"]}]}33. hydrogen · subclass of
Exact public statement under test
Wikidata statement Q556$823480bf-48c7-0e71-f2d0-33a386f665dc in revision 2521229606 asserts that hydrogen (Q556) publishes subclass of (P279) with value diatomic nonmetal (Q19753344).
What this card proves
The exact statement GUID and JSON excerpt were publicly present in Wikidata revision 2521229606; the frozen revision content and statement match the recorded SHA-256 values.
What this card does not prove
It does not independently prove that the value is true in the real world, current outside this revision, supported by a primary source, or correctly assigned to this category.
- Exact source
- Wikidata revision 2521229606
- Locator
entity Q556; claims.P279; statement Q556$823480bf-48c7-0e71-f2d0-33a386f665dc- Captured
- 2026-07-22T17:03:59Z
- Rank / qualifiers
- normal; 0 qualifier snaks
- Wikidata references
- 0 reference blocks — presence is reported, but the referenced sources were not independently checked by this protocol.
- Source SHA-256
e30b402a10d3e4992ba12736756cc27c8126caa1d169f93481b8b20ede8029dd- Statement SHA-256
d1abc79509c7fe7da4be9376436272ca57042e202bc1febdce6ea2509afaf75e- Reproduction
- Maintainer run only; no independent operator rerun is registered.
Repeat this exact check locally
Requires Python 3 and network access to Wikidata. Start with an empty cache; the command downloads the immutable revision and verifies the exact excerpt and both hashes.
python3 scripts/build_wikidata_public_claims.py verify-sources artifacts/cb7k_wikidata_public_claims.json --cache .cache/claimbound-wikidata --claim-id CB7K-DOM070-C33Verbatim structured statement and evidence
{"mainsnak":{"snaktype":"value","property":"P279","hash":"fd5c61274f7bf5052b0bbc16081cf3840abe88bd","datavalue":{"value":{"entity-type":"item","numeric-id":19753344,"id":"Q19753344"},"type":"wikibase-entityid"}},"type":"statement","id":"Q556$823480bf-48c7-0e71-f2d0-33a386f665dc","rank":"normal"}34. hydrogen · subclass of
Exact public statement under test
Wikidata statement Q556$c79c22d0-4083-cb14-c2d5-0e0170015a7c in revision 2521229606 asserts that hydrogen (Q556) publishes subclass of (P279) with value nonmetal (Q19600).
What this card proves
The exact statement GUID and JSON excerpt were publicly present in Wikidata revision 2521229606; the frozen revision content and statement match the recorded SHA-256 values.
What this card does not prove
It does not independently prove that the value is true in the real world, current outside this revision, supported by a primary source, or correctly assigned to this category.
- Exact source
- Wikidata revision 2521229606
- Locator
entity Q556; claims.P279; statement Q556$c79c22d0-4083-cb14-c2d5-0e0170015a7c- Captured
- 2026-07-22T17:03:59Z
- Rank / qualifiers
- preferred; 0 qualifier snaks
- Wikidata references
- 0 reference blocks — presence is reported, but the referenced sources were not independently checked by this protocol.
- Source SHA-256
e30b402a10d3e4992ba12736756cc27c8126caa1d169f93481b8b20ede8029dd- Statement SHA-256
09a982143dd1ed59075683b491f699410d160fbb643d596295b55fd3d4d2ed40- Reproduction
- Maintainer run only; no independent operator rerun is registered.
Repeat this exact check locally
Requires Python 3 and network access to Wikidata. Start with an empty cache; the command downloads the immutable revision and verifies the exact excerpt and both hashes.
python3 scripts/build_wikidata_public_claims.py verify-sources artifacts/cb7k_wikidata_public_claims.json --cache .cache/claimbound-wikidata --claim-id CB7K-DOM070-C34Verbatim structured statement and evidence
{"mainsnak":{"snaktype":"value","property":"P279","hash":"aee2e040764d97426ad8e4c2a9f40037f8f307de","datavalue":{"value":{"entity-type":"item","numeric-id":19600,"id":"Q19600"},"type":"wikibase-entityid"}},"type":"statement","id":"Q556$c79c22d0-4083-cb14-c2d5-0e0170015a7c","rank":"preferred"}35. hydrogen · subclass of
Exact public statement under test
Wikidata statement Q556$a639f4bf-47a0-1204-4043-ca101b43ffd4 in revision 2521229606 asserts that hydrogen (Q556) publishes subclass of (P279) with value s-block (Q208106).
What this card proves
The exact statement GUID and JSON excerpt were publicly present in Wikidata revision 2521229606; the frozen revision content and statement match the recorded SHA-256 values.
What this card does not prove
It does not independently prove that the value is true in the real world, current outside this revision, supported by a primary source, or correctly assigned to this category.
- Exact source
- Wikidata revision 2521229606
- Locator
entity Q556; claims.P279; statement Q556$a639f4bf-47a0-1204-4043-ca101b43ffd4- Captured
- 2026-07-22T17:03:59Z
- Rank / qualifiers
- normal; 0 qualifier snaks
- Wikidata references
- 0 reference blocks — presence is reported, but the referenced sources were not independently checked by this protocol.
- Source SHA-256
e30b402a10d3e4992ba12736756cc27c8126caa1d169f93481b8b20ede8029dd- Statement SHA-256
5cdbb472b5244d8e57bed06a23aa3953790f695417141ade27ac7887cca9d50d- Reproduction
- Maintainer run only; no independent operator rerun is registered.
Repeat this exact check locally
Requires Python 3 and network access to Wikidata. Start with an empty cache; the command downloads the immutable revision and verifies the exact excerpt and both hashes.
python3 scripts/build_wikidata_public_claims.py verify-sources artifacts/cb7k_wikidata_public_claims.json --cache .cache/claimbound-wikidata --claim-id CB7K-DOM070-C35Verbatim structured statement and evidence
{"mainsnak":{"snaktype":"value","property":"P279","hash":"2b344cfb980a9d046b89f47e542cc8db97e6d29e","datavalue":{"value":{"entity-type":"item","numeric-id":208106,"id":"Q208106"},"type":"wikibase-entityid"}},"type":"statement","id":"Q556$a639f4bf-47a0-1204-4043-ca101b43ffd4","rank":"normal"}36. hydrogen · subclass of
Exact public statement under test
Wikidata statement Q556$18988e49-436e-1220-fdf7-31b15ce59341 in revision 2521229606 asserts that hydrogen (Q556) publishes subclass of (P279) with value reducing agent (Q216830).
What this card proves
The exact statement GUID and JSON excerpt were publicly present in Wikidata revision 2521229606; the frozen revision content and statement match the recorded SHA-256 values.
What this card does not prove
It does not independently prove that the value is true in the real world, current outside this revision, supported by a primary source, or correctly assigned to this category.
- Exact source
- Wikidata revision 2521229606
- Locator
entity Q556; claims.P279; statement Q556$18988e49-436e-1220-fdf7-31b15ce59341- Captured
- 2026-07-22T17:03:59Z
- Rank / qualifiers
- normal; 0 qualifier snaks
- Wikidata references
- 0 reference blocks — presence is reported, but the referenced sources were not independently checked by this protocol.
- Source SHA-256
e30b402a10d3e4992ba12736756cc27c8126caa1d169f93481b8b20ede8029dd- Statement SHA-256
b26b55dfddbdbe1ae3cf6abe338a0d9236fd742e299077204beeb46ce65178db- Reproduction
- Maintainer run only; no independent operator rerun is registered.
Repeat this exact check locally
Requires Python 3 and network access to Wikidata. Start with an empty cache; the command downloads the immutable revision and verifies the exact excerpt and both hashes.
python3 scripts/build_wikidata_public_claims.py verify-sources artifacts/cb7k_wikidata_public_claims.json --cache .cache/claimbound-wikidata --claim-id CB7K-DOM070-C36Verbatim structured statement and evidence
{"mainsnak":{"snaktype":"value","property":"P279","hash":"f1fde9e07911d84ff912d5b1e13cc16844c2710b","datavalue":{"value":{"entity-type":"item","numeric-id":216830,"id":"Q216830"},"type":"wikibase-entityid"}},"type":"statement","id":"Q556$18988e49-436e-1220-fdf7-31b15ce59341","rank":"normal"}37. hydrogen · permanent duplicated item
Exact public statement under test
Wikidata statement Q556$9EF07C9D-5279-4F2D-91A2-F088320401B0 in revision 2521229606 asserts that hydrogen (Q556) publishes permanent duplicated item (P2959) with value Q57873859 (Q57873859).
What this card proves
The exact statement GUID and JSON excerpt were publicly present in Wikidata revision 2521229606; the frozen revision content and statement match the recorded SHA-256 values.
What this card does not prove
It does not independently prove that the value is true in the real world, current outside this revision, supported by a primary source, or correctly assigned to this category.
- Exact source
- Wikidata revision 2521229606
- Locator
entity Q556; claims.P2959; statement Q556$9EF07C9D-5279-4F2D-91A2-F088320401B0- Captured
- 2026-07-22T17:03:59Z
- Rank / qualifiers
- normal; 0 qualifier snaks
- Wikidata references
- 1 reference blocks — presence is reported, but the referenced sources were not independently checked by this protocol.
- Source SHA-256
e30b402a10d3e4992ba12736756cc27c8126caa1d169f93481b8b20ede8029dd- Statement SHA-256
ce655304008619f95d61d9033b74e747c0bb6e19ca4ca3bfdde659db9aab5d44- Reproduction
- Maintainer run only; no independent operator rerun is registered.
Repeat this exact check locally
Requires Python 3 and network access to Wikidata. Start with an empty cache; the command downloads the immutable revision and verifies the exact excerpt and both hashes.
python3 scripts/build_wikidata_public_claims.py verify-sources artifacts/cb7k_wikidata_public_claims.json --cache .cache/claimbound-wikidata --claim-id CB7K-DOM070-C37Verbatim structured statement and evidence
{"mainsnak":{"snaktype":"value","property":"P2959","hash":"84e66a2bb0f010617cdfc5045a59ca64acfef25c","datavalue":{"value":{"entity-type":"item","numeric-id":57873859,"id":"Q57873859"},"type":"wikibase-entityid"}},"type":"statement","id":"Q556$9EF07C9D-5279-4F2D-91A2-F088320401B0","rank":"normal","references":[{"hash":"8734cad0d04b9c8854d9491b104a7b55ca8106f9","snaks":{"P3452":[{"snaktype":"value","property":"P3452","hash":"72edf10401f6774a2f29a0516e254a0068c1d82e","datavalue":{"value":{"entity-type":"item","numeric-id":57873859,"id":"Q57873859"},"type":"wikibase-entityid"}}]},"snaks-order":["P3452"]}]}38. hydrogen · instance of
Exact public statement under test
Wikidata statement Q556$ee14d10b-4163-5c01-d48b-6f096657e1ee in revision 2521229606 asserts that hydrogen (Q556) publishes instance of (P31) with value chemical element (Q11344).
What this card proves
The exact statement GUID and JSON excerpt were publicly present in Wikidata revision 2521229606; the frozen revision content and statement match the recorded SHA-256 values.
What this card does not prove
It does not independently prove that the value is true in the real world, current outside this revision, supported by a primary source, or correctly assigned to this category.
- Exact source
- Wikidata revision 2521229606
- Locator
entity Q556; claims.P31; statement Q556$ee14d10b-4163-5c01-d48b-6f096657e1ee- Captured
- 2026-07-22T17:03:59Z
- Rank / qualifiers
- normal; 2 qualifier snaks
- Wikidata references
- 0 reference blocks — presence is reported, but the referenced sources were not independently checked by this protocol.
- Source SHA-256
e30b402a10d3e4992ba12736756cc27c8126caa1d169f93481b8b20ede8029dd- Statement SHA-256
4a2bde881d1f53339cd6aec63cd1dc2f89a83269bc94e033ab45176ec0096976- Reproduction
- Maintainer run only; no independent operator rerun is registered.
Repeat this exact check locally
Requires Python 3 and network access to Wikidata. Start with an empty cache; the command downloads the immutable revision and verifies the exact excerpt and both hashes.
python3 scripts/build_wikidata_public_claims.py verify-sources artifacts/cb7k_wikidata_public_claims.json --cache .cache/claimbound-wikidata --claim-id CB7K-DOM070-C38Verbatim structured statement and evidence
{"mainsnak":{"snaktype":"value","property":"P31","hash":"e54244ce1edca559cc5b4c4d3fc6b145e9be126e","datavalue":{"value":{"entity-type":"item","numeric-id":11344,"id":"Q11344"},"type":"wikibase-entityid"}},"type":"statement","qualifiers":{"P156":[{"snaktype":"value","property":"P156","hash":"1fb341a05489242f9eebafcd3e02fb1a0bffe702","datavalue":{"value":{"entity-type":"item","numeric-id":560,"id":"Q560"},"type":"wikibase-entityid"}}],"P155":[{"snaktype":"novalue","property":"P155","hash":"2c0614dca66b9f846a3cb129bd6ca15adeba8a7a"}]},"qualifiers-order":["P156","P155"],"id":"Q556$ee14d10b-4163-5c01-d48b-6f096657e1ee","rank":"normal"}39. hydrogen · instance of
Exact public statement under test
Wikidata statement Q556$308eab55-48bb-51f4-ad78-eba0fa43f641 in revision 2521229606 asserts that hydrogen (Q556) publishes instance of (P31) with value atmophile element (Q2313842).
What this card proves
The exact statement GUID and JSON excerpt were publicly present in Wikidata revision 2521229606; the frozen revision content and statement match the recorded SHA-256 values.
What this card does not prove
It does not independently prove that the value is true in the real world, current outside this revision, supported by a primary source, or correctly assigned to this category.
- Exact source
- Wikidata revision 2521229606
- Locator
entity Q556; claims.P31; statement Q556$308eab55-48bb-51f4-ad78-eba0fa43f641- Captured
- 2026-07-22T17:03:59Z
- Rank / qualifiers
- normal; 0 qualifier snaks
- Wikidata references
- 0 reference blocks — presence is reported, but the referenced sources were not independently checked by this protocol.
- Source SHA-256
e30b402a10d3e4992ba12736756cc27c8126caa1d169f93481b8b20ede8029dd- Statement SHA-256
358ad6268f2f0e04a1fa3cac0c0b70f221f904fb86bf8e78b7ce768ce52d1239- Reproduction
- Maintainer run only; no independent operator rerun is registered.
Repeat this exact check locally
Requires Python 3 and network access to Wikidata. Start with an empty cache; the command downloads the immutable revision and verifies the exact excerpt and both hashes.
python3 scripts/build_wikidata_public_claims.py verify-sources artifacts/cb7k_wikidata_public_claims.json --cache .cache/claimbound-wikidata --claim-id CB7K-DOM070-C39Verbatim structured statement and evidence
{"mainsnak":{"snaktype":"value","property":"P31","hash":"ec21088fcfa651ab21f5b654c960d40cd00672f0","datavalue":{"value":{"entity-type":"item","numeric-id":2313842,"id":"Q2313842"},"type":"wikibase-entityid"}},"type":"statement","id":"Q556$308eab55-48bb-51f4-ad78-eba0fa43f641","rank":"normal"}40. hydrogen · part of
Exact public statement under test
Wikidata statement Q556$94ec8971-48e8-b42d-f5fb-89ed2f95ba17 in revision 2521229606 asserts that hydrogen (Q556) publishes part of (P361) with value period 1 (Q191936).
What this card proves
The exact statement GUID and JSON excerpt were publicly present in Wikidata revision 2521229606; the frozen revision content and statement match the recorded SHA-256 values.
What this card does not prove
It does not independently prove that the value is true in the real world, current outside this revision, supported by a primary source, or correctly assigned to this category.
- Exact source
- Wikidata revision 2521229606
- Locator
entity Q556; claims.P361; statement Q556$94ec8971-48e8-b42d-f5fb-89ed2f95ba17- Captured
- 2026-07-22T17:03:59Z
- Rank / qualifiers
- normal; 1 qualifier snaks
- Wikidata references
- 0 reference blocks — presence is reported, but the referenced sources were not independently checked by this protocol.
- Source SHA-256
e30b402a10d3e4992ba12736756cc27c8126caa1d169f93481b8b20ede8029dd- Statement SHA-256
5acb7b559c2e5c38a845c954602a96922313d8ecd7a117e66541e4fc04f5a1fd- Reproduction
- Maintainer run only; no independent operator rerun is registered.
Repeat this exact check locally
Requires Python 3 and network access to Wikidata. Start with an empty cache; the command downloads the immutable revision and verifies the exact excerpt and both hashes.
python3 scripts/build_wikidata_public_claims.py verify-sources artifacts/cb7k_wikidata_public_claims.json --cache .cache/claimbound-wikidata --claim-id CB7K-DOM070-C40Verbatim structured statement and evidence
{"mainsnak":{"snaktype":"value","property":"P361","hash":"300d7d8df38d8a687413608602bb1219a958a80f","datavalue":{"value":{"entity-type":"item","numeric-id":191936,"id":"Q191936"},"type":"wikibase-entityid"}},"type":"statement","qualifiers":{"P156":[{"snaktype":"value","property":"P156","hash":"1fb341a05489242f9eebafcd3e02fb1a0bffe702","datavalue":{"value":{"entity-type":"item","numeric-id":560,"id":"Q560"},"type":"wikibase-entityid"}}]},"qualifiers-order":["P156"],"id":"Q556$94ec8971-48e8-b42d-f5fb-89ed2f95ba17","rank":"normal"}41. hydrogen · part of
Exact public statement under test
Wikidata statement Q556$3fe12b28-44ba-6730-0c50-9b095055875f in revision 2521229606 asserts that hydrogen (Q556) publishes part of (P361) with value group 1 (Q10801007).
What this card proves
The exact statement GUID and JSON excerpt were publicly present in Wikidata revision 2521229606; the frozen revision content and statement match the recorded SHA-256 values.
What this card does not prove
It does not independently prove that the value is true in the real world, current outside this revision, supported by a primary source, or correctly assigned to this category.
- Exact source
- Wikidata revision 2521229606
- Locator
entity Q556; claims.P361; statement Q556$3fe12b28-44ba-6730-0c50-9b095055875f- Captured
- 2026-07-22T17:03:59Z
- Rank / qualifiers
- normal; 1 qualifier snaks
- Wikidata references
- 0 reference blocks — presence is reported, but the referenced sources were not independently checked by this protocol.
- Source SHA-256
e30b402a10d3e4992ba12736756cc27c8126caa1d169f93481b8b20ede8029dd- Statement SHA-256
662393c236a17a4dd1c4c6526380b4ed683b745755b41c65ac66bbc968f1dbf9- Reproduction
- Maintainer run only; no independent operator rerun is registered.
Repeat this exact check locally
Requires Python 3 and network access to Wikidata. Start with an empty cache; the command downloads the immutable revision and verifies the exact excerpt and both hashes.
python3 scripts/build_wikidata_public_claims.py verify-sources artifacts/cb7k_wikidata_public_claims.json --cache .cache/claimbound-wikidata --claim-id CB7K-DOM070-C41Verbatim structured statement and evidence
{"mainsnak":{"snaktype":"value","property":"P361","hash":"8942ad06c3f0ffc8ba12355a68064f4394920200","datavalue":{"value":{"entity-type":"item","numeric-id":10801007,"id":"Q10801007"},"type":"wikibase-entityid"}},"type":"statement","qualifiers":{"P156":[{"snaktype":"value","property":"P156","hash":"4de1e3a74463489c4803d551c1dc64e16655073f","datavalue":{"value":{"entity-type":"item","numeric-id":568,"id":"Q568"},"type":"wikibase-entityid"}}]},"qualifiers-order":["P156"],"id":"Q556$3fe12b28-44ba-6730-0c50-9b095055875f","rank":"normal"}42. hydrogen · part of
Exact public statement under test
Wikidata statement Q556$4487d1b0-5560-4999-bb99-4dc636123fdd in revision 2521229606 asserts that hydrogen (Q556) publishes part of (P361) with value water (Q283).
What this card proves
The exact statement GUID and JSON excerpt were publicly present in Wikidata revision 2521229606; the frozen revision content and statement match the recorded SHA-256 values.
What this card does not prove
It does not independently prove that the value is true in the real world, current outside this revision, supported by a primary source, or correctly assigned to this category.
- Exact source
- Wikidata revision 2521229606
- Locator
entity Q556; claims.P361; statement Q556$4487d1b0-5560-4999-bb99-4dc636123fdd- Captured
- 2026-07-22T17:03:59Z
- Rank / qualifiers
- normal; 0 qualifier snaks
- Wikidata references
- 0 reference blocks — presence is reported, but the referenced sources were not independently checked by this protocol.
- Source SHA-256
e30b402a10d3e4992ba12736756cc27c8126caa1d169f93481b8b20ede8029dd- Statement SHA-256
aab5111b8397bbce00837c31330d58dc20d0ca1fe2e36428e158047ecc2b61b7- Reproduction
- Maintainer run only; no independent operator rerun is registered.
Repeat this exact check locally
Requires Python 3 and network access to Wikidata. Start with an empty cache; the command downloads the immutable revision and verifies the exact excerpt and both hashes.
python3 scripts/build_wikidata_public_claims.py verify-sources artifacts/cb7k_wikidata_public_claims.json --cache .cache/claimbound-wikidata --claim-id CB7K-DOM070-C42Verbatim structured statement and evidence
{"mainsnak":{"snaktype":"value","property":"P361","hash":"b235810ae016a901ad0bebd84cbec468a6d122fd","datavalue":{"value":{"entity-type":"item","numeric-id":283,"id":"Q283"},"type":"wikibase-entityid"}},"type":"statement","id":"Q556$4487d1b0-5560-4999-bb99-4dc636123fdd","rank":"normal"}43. hydrogen · has use
Exact public statement under test
Wikidata statement Q556$2f7d5109-42d2-a5d1-9d83-793f0237d0e5 in revision 2521229606 asserts that hydrogen (Q556) publishes has use (P366) with value hydrogen technologies (Q1854358).
What this card proves
The exact statement GUID and JSON excerpt were publicly present in Wikidata revision 2521229606; the frozen revision content and statement match the recorded SHA-256 values.
What this card does not prove
It does not independently prove that the value is true in the real world, current outside this revision, supported by a primary source, or correctly assigned to this category.
- Exact source
- Wikidata revision 2521229606
- Locator
entity Q556; claims.P366; statement Q556$2f7d5109-42d2-a5d1-9d83-793f0237d0e5- Captured
- 2026-07-22T17:03:59Z
- Rank / qualifiers
- normal; 0 qualifier snaks
- Wikidata references
- 0 reference blocks — presence is reported, but the referenced sources were not independently checked by this protocol.
- Source SHA-256
e30b402a10d3e4992ba12736756cc27c8126caa1d169f93481b8b20ede8029dd- Statement SHA-256
9c3acff702bf28d4fea72e25591796bb8b20ab32dcc884033da880876fffac45- Reproduction
- Maintainer run only; no independent operator rerun is registered.
Repeat this exact check locally
Requires Python 3 and network access to Wikidata. Start with an empty cache; the command downloads the immutable revision and verifies the exact excerpt and both hashes.
python3 scripts/build_wikidata_public_claims.py verify-sources artifacts/cb7k_wikidata_public_claims.json --cache .cache/claimbound-wikidata --claim-id CB7K-DOM070-C43Verbatim structured statement and evidence
{"mainsnak":{"snaktype":"value","property":"P366","hash":"e02daa5334e2ff35cd3c90ab11055ca093b2a404","datavalue":{"value":{"entity-type":"item","numeric-id":1854358,"id":"Q1854358"},"type":"wikibase-entityid"}},"type":"statement","id":"Q556$2f7d5109-42d2-a5d1-9d83-793f0237d0e5","rank":"normal"}44. hydrogen · has use
Exact public statement under test
Wikidata statement Q556$757488f6-49de-3a2a-4c33-137cf9f77449 in revision 2521229606 asserts that hydrogen (Q556) publishes has use (P366) with value hydrogen fuel (Q11549077).
What this card proves
The exact statement GUID and JSON excerpt were publicly present in Wikidata revision 2521229606; the frozen revision content and statement match the recorded SHA-256 values.
What this card does not prove
It does not independently prove that the value is true in the real world, current outside this revision, supported by a primary source, or correctly assigned to this category.
- Exact source
- Wikidata revision 2521229606
- Locator
entity Q556; claims.P366; statement Q556$757488f6-49de-3a2a-4c33-137cf9f77449- Captured
- 2026-07-22T17:03:59Z
- Rank / qualifiers
- normal; 0 qualifier snaks
- Wikidata references
- 0 reference blocks — presence is reported, but the referenced sources were not independently checked by this protocol.
- Source SHA-256
e30b402a10d3e4992ba12736756cc27c8126caa1d169f93481b8b20ede8029dd- Statement SHA-256
3321e110b2d977fb40103a2a9fd35a831a41440fa68454ef1184dc31cb032d08- Reproduction
- Maintainer run only; no independent operator rerun is registered.
Repeat this exact check locally
Requires Python 3 and network access to Wikidata. Start with an empty cache; the command downloads the immutable revision and verifies the exact excerpt and both hashes.
python3 scripts/build_wikidata_public_claims.py verify-sources artifacts/cb7k_wikidata_public_claims.json --cache .cache/claimbound-wikidata --claim-id CB7K-DOM070-C44Verbatim structured statement and evidence
{"mainsnak":{"snaktype":"value","property":"P366","hash":"8b0f2d7cd526cf551c326e5ed9a5e36a45b1e8c6","datavalue":{"value":{"entity-type":"item","numeric-id":11549077,"id":"Q11549077"},"type":"wikibase-entityid"}},"type":"statement","id":"Q556$757488f6-49de-3a2a-4c33-137cf9f77449","rank":"normal"}45. hydrogen · Commons category
Exact public statement under test
Wikidata statement q556$647E2F16-0CAB-4A02-9B15-A8BBF2BA99AB in revision 2521229606 asserts that hydrogen (Q556) publishes Commons category (P373) with value "Hydrogen".
What this card proves
The exact statement GUID and JSON excerpt were publicly present in Wikidata revision 2521229606; the frozen revision content and statement match the recorded SHA-256 values.
What this card does not prove
It does not independently prove that the value is true in the real world, current outside this revision, supported by a primary source, or correctly assigned to this category.
- Exact source
- Wikidata revision 2521229606
- Locator
entity Q556; claims.P373; statement q556$647E2F16-0CAB-4A02-9B15-A8BBF2BA99AB- Captured
- 2026-07-22T17:03:59Z
- Rank / qualifiers
- normal; 0 qualifier snaks
- Wikidata references
- 0 reference blocks — presence is reported, but the referenced sources were not independently checked by this protocol.
- Source SHA-256
e30b402a10d3e4992ba12736756cc27c8126caa1d169f93481b8b20ede8029dd- Statement SHA-256
675f7a1b9c09f626b915380bd8e3e2f3a8b700ccd3475ce42c9bf3a87e8846c6- Reproduction
- Maintainer run only; no independent operator rerun is registered.
Repeat this exact check locally
Requires Python 3 and network access to Wikidata. Start with an empty cache; the command downloads the immutable revision and verifies the exact excerpt and both hashes.
python3 scripts/build_wikidata_public_claims.py verify-sources artifacts/cb7k_wikidata_public_claims.json --cache .cache/claimbound-wikidata --claim-id CB7K-DOM070-C45Verbatim structured statement and evidence
{"mainsnak":{"snaktype":"value","property":"P373","hash":"dc77771b8ecdcd9b01946f818fed66d37d77b41e","datavalue":{"value":"Hydrogen","type":"string"}},"type":"statement","id":"q556$647E2F16-0CAB-4A02-9B15-A8BBF2BA99AB","rank":"normal"}46. hydrogen · color
Exact public statement under test
Wikidata statement Q556$A51024A3-F34B-4510-9DA9-9FCC79BEABEA in revision 2521229606 asserts that hydrogen (Q556) publishes color (P462) with value colorless (Q1396399).
What this card proves
The exact statement GUID and JSON excerpt were publicly present in Wikidata revision 2521229606; the frozen revision content and statement match the recorded SHA-256 values.
What this card does not prove
It does not independently prove that the value is true in the real world, current outside this revision, supported by a primary source, or correctly assigned to this category.
- Exact source
- Wikidata revision 2521229606
- Locator
entity Q556; claims.P462; statement Q556$A51024A3-F34B-4510-9DA9-9FCC79BEABEA- Captured
- 2026-07-22T17:03:59Z
- Rank / qualifiers
- normal; 0 qualifier snaks
- Wikidata references
- 2 reference blocks — presence is reported, but the referenced sources were not independently checked by this protocol.
- Source SHA-256
e30b402a10d3e4992ba12736756cc27c8126caa1d169f93481b8b20ede8029dd- Statement SHA-256
8380b7cfa6b89d4acf673218710cbf5114c2e135e147ca7a87ce719562678242- Reproduction
- Maintainer run only; no independent operator rerun is registered.
Repeat this exact check locally
Requires Python 3 and network access to Wikidata. Start with an empty cache; the command downloads the immutable revision and verifies the exact excerpt and both hashes.
python3 scripts/build_wikidata_public_claims.py verify-sources artifacts/cb7k_wikidata_public_claims.json --cache .cache/claimbound-wikidata --claim-id CB7K-DOM070-C46Verbatim structured statement and evidence
{"mainsnak":{"snaktype":"value","property":"P462","hash":"90fd73ca60851a4f32d87a1e9fe958176aa1bf4e","datavalue":{"value":{"entity-type":"item","numeric-id":1396399,"id":"Q1396399"},"type":"wikibase-entityid"}},"type":"statement","id":"Q556$A51024A3-F34B-4510-9DA9-9FCC79BEABEA","rank":"normal","references":[{"hash":"cfb6eef84d60df2435fcf97beeb23c7fb3e81a08","snaks":{"P4656":[{"snaktype":"value","property":"P4656","hash":"af361d7e83d6143fc9d736563f89114dce174550","datavalue":{"value":"https:\/\/en.wikipedia.org\/wiki\/Hydrogen","type":"string"}}]},"snaks-order":["P4656"]},{"hash":"fa278ebfc458360e5aed63d5058cca83c46134f1","snaks":{"P143":[{"snaktype":"value","property":"P143","hash":"e4f6d9441d0600513c4533c672b5ab472dc73694","datavalue":{"value":{"entity-type":"item","numeric-id":328,"id":"Q328"},"type":"wikibase-entityid"}}]},"snaks-order":["P143"]}]}47. hydrogen · Unicode character
Exact public statement under test
Wikidata statement Q556$b3b1b1bc-463f-5447-5fda-2f0ca2fe99f2 in revision 2521229606 asserts that hydrogen (Q556) publishes Unicode character (P487) with value "氫".
What this card proves
The exact statement GUID and JSON excerpt were publicly present in Wikidata revision 2521229606; the frozen revision content and statement match the recorded SHA-256 values.
What this card does not prove
It does not independently prove that the value is true in the real world, current outside this revision, supported by a primary source, or correctly assigned to this category.
- Exact source
- Wikidata revision 2521229606
- Locator
entity Q556; claims.P487; statement Q556$b3b1b1bc-463f-5447-5fda-2f0ca2fe99f2- Captured
- 2026-07-22T17:03:59Z
- Rank / qualifiers
- normal; 0 qualifier snaks
- Wikidata references
- 0 reference blocks — presence is reported, but the referenced sources were not independently checked by this protocol.
- Source SHA-256
e30b402a10d3e4992ba12736756cc27c8126caa1d169f93481b8b20ede8029dd- Statement SHA-256
71174dc7eff448e6712a6b74a82c44d09ad9ec36cf3a15663197324f1cb689b0- Reproduction
- Maintainer run only; no independent operator rerun is registered.
Repeat this exact check locally
Requires Python 3 and network access to Wikidata. Start with an empty cache; the command downloads the immutable revision and verifies the exact excerpt and both hashes.
python3 scripts/build_wikidata_public_claims.py verify-sources artifacts/cb7k_wikidata_public_claims.json --cache .cache/claimbound-wikidata --claim-id CB7K-DOM070-C47Verbatim structured statement and evidence
{"mainsnak":{"snaktype":"value","property":"P487","hash":"be81d04f760ea469f1a16d3c010f8935a57a0173","datavalue":{"value":"\u6c2b","type":"string"}},"type":"statement","id":"Q556$b3b1b1bc-463f-5447-5fda-2f0ca2fe99f2","rank":"normal"}48. hydrogen · on focus list of Wikimedia project
Exact public statement under test
Wikidata statement Q556$44367B8D-F812-4906-8B96-8F3F4FF903D2 in revision 2521229606 asserts that hydrogen (Q556) publishes on focus list of Wikimedia project (P5008) with value Wikipedia:List of articles all languages should have (Q5460604).
What this card proves
The exact statement GUID and JSON excerpt were publicly present in Wikidata revision 2521229606; the frozen revision content and statement match the recorded SHA-256 values.
What this card does not prove
It does not independently prove that the value is true in the real world, current outside this revision, supported by a primary source, or correctly assigned to this category.
- Exact source
- Wikidata revision 2521229606
- Locator
entity Q556; claims.P5008; statement Q556$44367B8D-F812-4906-8B96-8F3F4FF903D2- Captured
- 2026-07-22T17:03:59Z
- Rank / qualifiers
- normal; 0 qualifier snaks
- Wikidata references
- 0 reference blocks — presence is reported, but the referenced sources were not independently checked by this protocol.
- Source SHA-256
e30b402a10d3e4992ba12736756cc27c8126caa1d169f93481b8b20ede8029dd- Statement SHA-256
39556da2c0208be0d46d86681627519ed4de8a2a5bbb10efebd0acb9e6cba8e9- Reproduction
- Maintainer run only; no independent operator rerun is registered.
Repeat this exact check locally
Requires Python 3 and network access to Wikidata. Start with an empty cache; the command downloads the immutable revision and verifies the exact excerpt and both hashes.
python3 scripts/build_wikidata_public_claims.py verify-sources artifacts/cb7k_wikidata_public_claims.json --cache .cache/claimbound-wikidata --claim-id CB7K-DOM070-C48Verbatim structured statement and evidence
{"mainsnak":{"snaktype":"value","property":"P5008","hash":"d8037e40c3d12c404489a97a78937213939ff1cd","datavalue":{"value":{"entity-type":"item","numeric-id":5460604,"id":"Q5460604"},"type":"wikibase-entityid"}},"type":"statement","id":"Q556$44367B8D-F812-4906-8B96-8F3F4FF903D2","rank":"normal"}49. hydrogen · on focus list of Wikimedia project
Exact public statement under test
Wikidata statement Q556$CA24CF50-30D9-4C44-98BF-1D5A0A9E5084 in revision 2521229606 asserts that hydrogen (Q556) publishes on focus list of Wikimedia project (P5008) with value Wikipedia:Vital articles/Level/4 (Q6173448).
What this card proves
The exact statement GUID and JSON excerpt were publicly present in Wikidata revision 2521229606; the frozen revision content and statement match the recorded SHA-256 values.
What this card does not prove
It does not independently prove that the value is true in the real world, current outside this revision, supported by a primary source, or correctly assigned to this category.
- Exact source
- Wikidata revision 2521229606
- Locator
entity Q556; claims.P5008; statement Q556$CA24CF50-30D9-4C44-98BF-1D5A0A9E5084- Captured
- 2026-07-22T17:03:59Z
- Rank / qualifiers
- normal; 1 qualifier snaks
- Wikidata references
- 0 reference blocks — presence is reported, but the referenced sources were not independently checked by this protocol.
- Source SHA-256
e30b402a10d3e4992ba12736756cc27c8126caa1d169f93481b8b20ede8029dd- Statement SHA-256
dd477b78b236e95d7fb40e104cbdece6a9dbd1a0cc1984ec52e451655dfb3eae- Reproduction
- Maintainer run only; no independent operator rerun is registered.
Repeat this exact check locally
Requires Python 3 and network access to Wikidata. Start with an empty cache; the command downloads the immutable revision and verifies the exact excerpt and both hashes.
python3 scripts/build_wikidata_public_claims.py verify-sources artifacts/cb7k_wikidata_public_claims.json --cache .cache/claimbound-wikidata --claim-id CB7K-DOM070-C49Verbatim structured statement and evidence
{"mainsnak":{"snaktype":"value","property":"P5008","hash":"136e3fbe19158e73e4bfebf3f2d98a9df8638b7e","datavalue":{"value":{"entity-type":"item","numeric-id":6173448,"id":"Q6173448"},"type":"wikibase-entityid"}},"type":"statement","qualifiers":{"P585":[{"snaktype":"value","property":"P585","hash":"7661f66dd5b82a1ea92515ddb16c09ce3088edea","datavalue":{"value":{"time":"+2022-10-31T00:00:00Z","timezone":0,"before":0,"after":0,"precision":11,"calendarmodel":"http:\/\/www.wikidata.org\/entity\/Q1985727"},"type":"time"}}]},"qualifiers-order":["P585"],"id":"Q556$CA24CF50-30D9-4C44-98BF-1D5A0A9E5084","rank":"normal"}50. hydrogen · on focus list of Wikimedia project
Exact public statement under test
Wikidata statement Q556$57B6FCCA-63EC-41A9-9470-E2B1FCC37F59 in revision 2521229606 asserts that hydrogen (Q556) publishes on focus list of Wikimedia project (P5008) with value WikiProject Climate change (Q15305047).
What this card proves
The exact statement GUID and JSON excerpt were publicly present in Wikidata revision 2521229606; the frozen revision content and statement match the recorded SHA-256 values.
What this card does not prove
It does not independently prove that the value is true in the real world, current outside this revision, supported by a primary source, or correctly assigned to this category.
- Exact source
- Wikidata revision 2521229606
- Locator
entity Q556; claims.P5008; statement Q556$57B6FCCA-63EC-41A9-9470-E2B1FCC37F59- Captured
- 2026-07-22T17:03:59Z
- Rank / qualifiers
- normal; 0 qualifier snaks
- Wikidata references
- 0 reference blocks — presence is reported, but the referenced sources were not independently checked by this protocol.
- Source SHA-256
e30b402a10d3e4992ba12736756cc27c8126caa1d169f93481b8b20ede8029dd- Statement SHA-256
ada3669b6784ae7cd9c2d7226bbe74bfafba5acbe9afdafe7743ebbe91595677- Reproduction
- Maintainer run only; no independent operator rerun is registered.
Repeat this exact check locally
Requires Python 3 and network access to Wikidata. Start with an empty cache; the command downloads the immutable revision and verifies the exact excerpt and both hashes.
python3 scripts/build_wikidata_public_claims.py verify-sources artifacts/cb7k_wikidata_public_claims.json --cache .cache/claimbound-wikidata --claim-id CB7K-DOM070-C50Verbatim structured statement and evidence
{"mainsnak":{"snaktype":"value","property":"P5008","hash":"fade5e94397da60f78df68fd121baff9cd7b836d","datavalue":{"value":{"entity-type":"item","numeric-id":15305047,"id":"Q15305047"},"type":"wikibase-entityid"}},"type":"statement","id":"Q556$57B6FCCA-63EC-41A9-9470-E2B1FCC37F59","rank":"normal"}51. hydrogen · time of discovery or invention
Exact public statement under test
Wikidata statement Q556$ea988179-4f88-1e0e-0264-673d0ade7bcb in revision 2521229606 asserts that hydrogen (Q556) publishes time of discovery or invention (P575) with value +1766-00-00T00:00:00Z.
What this card proves
The exact statement GUID and JSON excerpt were publicly present in Wikidata revision 2521229606; the frozen revision content and statement match the recorded SHA-256 values.
What this card does not prove
It does not independently prove that the value is true in the real world, current outside this revision, supported by a primary source, or correctly assigned to this category.
- Exact source
- Wikidata revision 2521229606
- Locator
entity Q556; claims.P575; statement Q556$ea988179-4f88-1e0e-0264-673d0ade7bcb- Captured
- 2026-07-22T17:03:59Z
- Rank / qualifiers
- normal; 0 qualifier snaks
- Wikidata references
- 1 reference blocks — presence is reported, but the referenced sources were not independently checked by this protocol.
- Source SHA-256
e30b402a10d3e4992ba12736756cc27c8126caa1d169f93481b8b20ede8029dd- Statement SHA-256
6cba31dfbc8bdb5e96bcc456703d7affffbdd2c45d25ae9632ebc3d3b7e07d58- Reproduction
- Maintainer run only; no independent operator rerun is registered.
Repeat this exact check locally
Requires Python 3 and network access to Wikidata. Start with an empty cache; the command downloads the immutable revision and verifies the exact excerpt and both hashes.
python3 scripts/build_wikidata_public_claims.py verify-sources artifacts/cb7k_wikidata_public_claims.json --cache .cache/claimbound-wikidata --claim-id CB7K-DOM070-C51Verbatim structured statement and evidence
{"mainsnak":{"snaktype":"value","property":"P575","hash":"63ce4f6b6953c539a6b252ead9a018330d059145","datavalue":{"value":{"time":"+1766-00-00T00:00:00Z","timezone":0,"before":0,"after":0,"precision":9,"calendarmodel":"http:\/\/www.wikidata.org\/entity\/Q1985727"},"type":"time"}},"type":"statement","id":"Q556$ea988179-4f88-1e0e-0264-673d0ade7bcb","rank":"normal","references":[{"hash":"fa278ebfc458360e5aed63d5058cca83c46134f1","snaks":{"P143":[{"snaktype":"value","property":"P143","hash":"e4f6d9441d0600513c4533c672b5ab472dc73694","datavalue":{"value":{"entity-type":"item","numeric-id":328,"id":"Q328"},"type":"wikibase-entityid"}}]},"snaks-order":["P143"]}]}52. hydrogen · discoverer or inventor
Exact public statement under test
Wikidata statement Q556$ac18aff4-4823-4108-4541-99d2974921af in revision 2521229606 asserts that hydrogen (Q556) publishes discoverer or inventor (P61) with value Henry Cavendish (Q131733).
What this card proves
The exact statement GUID and JSON excerpt were publicly present in Wikidata revision 2521229606; the frozen revision content and statement match the recorded SHA-256 values.
What this card does not prove
It does not independently prove that the value is true in the real world, current outside this revision, supported by a primary source, or correctly assigned to this category.
- Exact source
- Wikidata revision 2521229606
- Locator
entity Q556; claims.P61; statement Q556$ac18aff4-4823-4108-4541-99d2974921af- Captured
- 2026-07-22T17:03:59Z
- Rank / qualifiers
- preferred; 0 qualifier snaks
- Wikidata references
- 1 reference blocks — presence is reported, but the referenced sources were not independently checked by this protocol.
- Source SHA-256
e30b402a10d3e4992ba12736756cc27c8126caa1d169f93481b8b20ede8029dd- Statement SHA-256
058094351c210c8dd28b28b43740bdbebd726ce96a329ac63a9dbef2b2a2526a- Reproduction
- Maintainer run only; no independent operator rerun is registered.
Repeat this exact check locally
Requires Python 3 and network access to Wikidata. Start with an empty cache; the command downloads the immutable revision and verifies the exact excerpt and both hashes.
python3 scripts/build_wikidata_public_claims.py verify-sources artifacts/cb7k_wikidata_public_claims.json --cache .cache/claimbound-wikidata --claim-id CB7K-DOM070-C52Verbatim structured statement and evidence
{"mainsnak":{"snaktype":"value","property":"P61","hash":"daf92b1b36ee2969ccd8db183aba3e2dfca05b9f","datavalue":{"value":{"entity-type":"item","numeric-id":131733,"id":"Q131733"},"type":"wikibase-entityid"}},"type":"statement","id":"Q556$ac18aff4-4823-4108-4541-99d2974921af","rank":"preferred","references":[{"hash":"fa278ebfc458360e5aed63d5058cca83c46134f1","snaks":{"P143":[{"snaktype":"value","property":"P143","hash":"e4f6d9441d0600513c4533c672b5ab472dc73694","datavalue":{"value":{"entity-type":"item","numeric-id":328,"id":"Q328"},"type":"wikibase-entityid"}}]},"snaks-order":["P143"]}]}53. hydrogen · discoverer or inventor
Exact public statement under test
Wikidata statement Q556$9a488556-4568-86fd-9250-30dc349ce6d5 in revision 2521229606 asserts that hydrogen (Q556) publishes discoverer or inventor (P61) with value Mikhail Lomonosov (Q58720).
What this card proves
The exact statement GUID and JSON excerpt were publicly present in Wikidata revision 2521229606; the frozen revision content and statement match the recorded SHA-256 values.
What this card does not prove
It does not independently prove that the value is true in the real world, current outside this revision, supported by a primary source, or correctly assigned to this category.
- Exact source
- Wikidata revision 2521229606
- Locator
entity Q556; claims.P61; statement Q556$9a488556-4568-86fd-9250-30dc349ce6d5- Captured
- 2026-07-22T17:03:59Z
- Rank / qualifiers
- normal; 0 qualifier snaks
- Wikidata references
- 0 reference blocks — presence is reported, but the referenced sources were not independently checked by this protocol.
- Source SHA-256
e30b402a10d3e4992ba12736756cc27c8126caa1d169f93481b8b20ede8029dd- Statement SHA-256
a8439c632e9c95d5b5a1fa56d31206e316d7145fd085f6627450a25f8c9f3327- Reproduction
- Maintainer run only; no independent operator rerun is registered.
Repeat this exact check locally
Requires Python 3 and network access to Wikidata. Start with an empty cache; the command downloads the immutable revision and verifies the exact excerpt and both hashes.
python3 scripts/build_wikidata_public_claims.py verify-sources artifacts/cb7k_wikidata_public_claims.json --cache .cache/claimbound-wikidata --claim-id CB7K-DOM070-C53Verbatim structured statement and evidence
{"mainsnak":{"snaktype":"value","property":"P61","hash":"a6c40875ab3f247ac6ec6f1f8dd7e4cc0b112a47","datavalue":{"value":{"entity-type":"item","numeric-id":58720,"id":"Q58720"},"type":"wikibase-entityid"}},"type":"statement","id":"Q556$9a488556-4568-86fd-9250-30dc349ce6d5","rank":"normal"}54. hydrogen · discoverer or inventor
Exact public statement under test
Wikidata statement Q556$9a7977ce-4efd-d6d0-6a0e-4864922e1fcd in revision 2521229606 asserts that hydrogen (Q556) publishes discoverer or inventor (P61) with value Antoine Lavoisier (Q39607).
What this card proves
The exact statement GUID and JSON excerpt were publicly present in Wikidata revision 2521229606; the frozen revision content and statement match the recorded SHA-256 values.
What this card does not prove
It does not independently prove that the value is true in the real world, current outside this revision, supported by a primary source, or correctly assigned to this category.
- Exact source
- Wikidata revision 2521229606
- Locator
entity Q556; claims.P61; statement Q556$9a7977ce-4efd-d6d0-6a0e-4864922e1fcd- Captured
- 2026-07-22T17:03:59Z
- Rank / qualifiers
- normal; 0 qualifier snaks
- Wikidata references
- 0 reference blocks — presence is reported, but the referenced sources were not independently checked by this protocol.
- Source SHA-256
e30b402a10d3e4992ba12736756cc27c8126caa1d169f93481b8b20ede8029dd- Statement SHA-256
fd804a304ee205d51d4edcb9cee780c191150854a1b869257151fc35283c7812- Reproduction
- Maintainer run only; no independent operator rerun is registered.
Repeat this exact check locally
Requires Python 3 and network access to Wikidata. Start with an empty cache; the command downloads the immutable revision and verifies the exact excerpt and both hashes.
python3 scripts/build_wikidata_public_claims.py verify-sources artifacts/cb7k_wikidata_public_claims.json --cache .cache/claimbound-wikidata --claim-id CB7K-DOM070-C54Verbatim structured statement and evidence
{"mainsnak":{"snaktype":"value","property":"P61","hash":"ee3a9b5cd8d64a066a561338207c8e772ede700f","datavalue":{"value":{"entity-type":"item","numeric-id":39607,"id":"Q39607"},"type":"wikibase-entityid"}},"type":"statement","id":"Q556$9a7977ce-4efd-d6d0-6a0e-4864922e1fcd","rank":"normal"}55. hydrogen · maintained by WikiProject
Exact public statement under test
Wikidata statement Q556$4f55d952-470e-10c9-f42d-bacc13a1a826 in revision 2521229606 asserts that hydrogen (Q556) publishes maintained by WikiProject (P6104) with value WikiProject Elements (Q11165030).
What this card proves
The exact statement GUID and JSON excerpt were publicly present in Wikidata revision 2521229606; the frozen revision content and statement match the recorded SHA-256 values.
What this card does not prove
It does not independently prove that the value is true in the real world, current outside this revision, supported by a primary source, or correctly assigned to this category.
- Exact source
- Wikidata revision 2521229606
- Locator
entity Q556; claims.P6104; statement Q556$4f55d952-470e-10c9-f42d-bacc13a1a826- Captured
- 2026-07-22T17:03:59Z
- Rank / qualifiers
- normal; 0 qualifier snaks
- Wikidata references
- 0 reference blocks — presence is reported, but the referenced sources were not independently checked by this protocol.
- Source SHA-256
e30b402a10d3e4992ba12736756cc27c8126caa1d169f93481b8b20ede8029dd- Statement SHA-256
593a3aa0a9b1fb408cc6668eb539cddfb00578dd0fe5dcda3f5062867fbaf967- Reproduction
- Maintainer run only; no independent operator rerun is registered.
Repeat this exact check locally
Requires Python 3 and network access to Wikidata. Start with an empty cache; the command downloads the immutable revision and verifies the exact excerpt and both hashes.
python3 scripts/build_wikidata_public_claims.py verify-sources artifacts/cb7k_wikidata_public_claims.json --cache .cache/claimbound-wikidata --claim-id CB7K-DOM070-C55Verbatim structured statement and evidence
{"mainsnak":{"snaktype":"value","property":"P6104","hash":"91a275cfe6b0d3197c42ab574ab79b4b22555b0a","datavalue":{"value":{"entity-type":"item","numeric-id":11165030,"id":"Q11165030"},"type":"wikibase-entityid"}},"type":"statement","id":"Q556$4f55d952-470e-10c9-f42d-bacc13a1a826","rank":"normal"}56. hydrogen · maintained by WikiProject
Exact public statement under test
Wikidata statement Q556$608e7247-4f2f-b1f5-15f6-f5a380bf9cc9 in revision 2521229606 asserts that hydrogen (Q556) publishes maintained by WikiProject (P6104) with value WikiProject Astronomy (Q8493596).
What this card proves
The exact statement GUID and JSON excerpt were publicly present in Wikidata revision 2521229606; the frozen revision content and statement match the recorded SHA-256 values.
What this card does not prove
It does not independently prove that the value is true in the real world, current outside this revision, supported by a primary source, or correctly assigned to this category.
- Exact source
- Wikidata revision 2521229606
- Locator
entity Q556; claims.P6104; statement Q556$608e7247-4f2f-b1f5-15f6-f5a380bf9cc9- Captured
- 2026-07-22T17:03:59Z
- Rank / qualifiers
- normal; 0 qualifier snaks
- Wikidata references
- 0 reference blocks — presence is reported, but the referenced sources were not independently checked by this protocol.
- Source SHA-256
e30b402a10d3e4992ba12736756cc27c8126caa1d169f93481b8b20ede8029dd- Statement SHA-256
91e1702045dfae5a2d5ecd3a94256709a08f7f9128e8a7d2329542e6d020ac09- Reproduction
- Maintainer run only; no independent operator rerun is registered.
Repeat this exact check locally
Requires Python 3 and network access to Wikidata. Start with an empty cache; the command downloads the immutable revision and verifies the exact excerpt and both hashes.
python3 scripts/build_wikidata_public_claims.py verify-sources artifacts/cb7k_wikidata_public_claims.json --cache .cache/claimbound-wikidata --claim-id CB7K-DOM070-C56Verbatim structured statement and evidence
{"mainsnak":{"snaktype":"value","property":"P6104","hash":"67373a8dc481b7d9236c4d8474c71eedf0801952","datavalue":{"value":{"entity-type":"item","numeric-id":8493596,"id":"Q8493596"},"type":"wikibase-entityid"}},"type":"statement","id":"Q556$608e7247-4f2f-b1f5-15f6-f5a380bf9cc9","rank":"normal"}57. hydrogen · maintained by WikiProject
Exact public statement under test
Wikidata statement Q556$9ae4d3bf-4057-23c7-31b0-0d2ee447b14a in revision 2521229606 asserts that hydrogen (Q556) publishes maintained by WikiProject (P6104) with value WikiProject Climate change (Q15305047).
What this card proves
The exact statement GUID and JSON excerpt were publicly present in Wikidata revision 2521229606; the frozen revision content and statement match the recorded SHA-256 values.
What this card does not prove
It does not independently prove that the value is true in the real world, current outside this revision, supported by a primary source, or correctly assigned to this category.
- Exact source
- Wikidata revision 2521229606
- Locator
entity Q556; claims.P6104; statement Q556$9ae4d3bf-4057-23c7-31b0-0d2ee447b14a- Captured
- 2026-07-22T17:03:59Z
- Rank / qualifiers
- normal; 0 qualifier snaks
- Wikidata references
- 0 reference blocks — presence is reported, but the referenced sources were not independently checked by this protocol.
- Source SHA-256
e30b402a10d3e4992ba12736756cc27c8126caa1d169f93481b8b20ede8029dd- Statement SHA-256
6d6ce6df851e17845d91cc971dcb97ce07b6430e028d9a77bbd95b74b7c72f96- Reproduction
- Maintainer run only; no independent operator rerun is registered.
Repeat this exact check locally
Requires Python 3 and network access to Wikidata. Start with an empty cache; the command downloads the immutable revision and verifies the exact excerpt and both hashes.
python3 scripts/build_wikidata_public_claims.py verify-sources artifacts/cb7k_wikidata_public_claims.json --cache .cache/claimbound-wikidata --claim-id CB7K-DOM070-C57Verbatim structured statement and evidence
{"mainsnak":{"snaktype":"value","property":"P6104","hash":"674e841ff5681b680762b0bb214056ad2e587d67","datavalue":{"value":{"entity-type":"item","numeric-id":15305047,"id":"Q15305047"},"type":"wikibase-entityid"}},"type":"statement","id":"Q556$9ae4d3bf-4057-23c7-31b0-0d2ee447b14a","rank":"normal"}58. hydrogen · maintained by WikiProject
Exact public statement under test
Wikidata statement Q556$c41f5ecf-4d41-0cca-d09d-7b691d04d29e in revision 2521229606 asserts that hydrogen (Q556) publishes maintained by WikiProject (P6104) with value WikiProject Energy (Q15106301).
What this card proves
The exact statement GUID and JSON excerpt were publicly present in Wikidata revision 2521229606; the frozen revision content and statement match the recorded SHA-256 values.
What this card does not prove
It does not independently prove that the value is true in the real world, current outside this revision, supported by a primary source, or correctly assigned to this category.
- Exact source
- Wikidata revision 2521229606
- Locator
entity Q556; claims.P6104; statement Q556$c41f5ecf-4d41-0cca-d09d-7b691d04d29e- Captured
- 2026-07-22T17:03:59Z
- Rank / qualifiers
- normal; 0 qualifier snaks
- Wikidata references
- 0 reference blocks — presence is reported, but the referenced sources were not independently checked by this protocol.
- Source SHA-256
e30b402a10d3e4992ba12736756cc27c8126caa1d169f93481b8b20ede8029dd- Statement SHA-256
28f1ec3ab6637ab8a5032cbdfe754888cfd8b8df6910125de74a5340a5373941- Reproduction
- Maintainer run only; no independent operator rerun is registered.
Repeat this exact check locally
Requires Python 3 and network access to Wikidata. Start with an empty cache; the command downloads the immutable revision and verifies the exact excerpt and both hashes.
python3 scripts/build_wikidata_public_claims.py verify-sources artifacts/cb7k_wikidata_public_claims.json --cache .cache/claimbound-wikidata --claim-id CB7K-DOM070-C58Verbatim structured statement and evidence
{"mainsnak":{"snaktype":"value","property":"P6104","hash":"ca4e0af62a10196d8b5d366297963115cdea0076","datavalue":{"value":{"entity-type":"item","numeric-id":15106301,"id":"Q15106301"},"type":"wikibase-entityid"}},"type":"statement","id":"Q556$c41f5ecf-4d41-0cca-d09d-7b691d04d29e","rank":"normal"}59. hydrogen · maintained by WikiProject
Exact public statement under test
Wikidata statement Q556$2be9a003-4e55-762e-7a71-2f3343929662 in revision 2521229606 asserts that hydrogen (Q556) publishes maintained by WikiProject (P6104) with value WikiProject Materials (Q88425338).
What this card proves
The exact statement GUID and JSON excerpt were publicly present in Wikidata revision 2521229606; the frozen revision content and statement match the recorded SHA-256 values.
What this card does not prove
It does not independently prove that the value is true in the real world, current outside this revision, supported by a primary source, or correctly assigned to this category.
- Exact source
- Wikidata revision 2521229606
- Locator
entity Q556; claims.P6104; statement Q556$2be9a003-4e55-762e-7a71-2f3343929662- Captured
- 2026-07-22T17:03:59Z
- Rank / qualifiers
- normal; 0 qualifier snaks
- Wikidata references
- 0 reference blocks — presence is reported, but the referenced sources were not independently checked by this protocol.
- Source SHA-256
e30b402a10d3e4992ba12736756cc27c8126caa1d169f93481b8b20ede8029dd- Statement SHA-256
86f3677fe025c28f4ccd6e004adfd2c837f76f86fa28daf36b2110885dc0d745- Reproduction
- Maintainer run only; no independent operator rerun is registered.
Repeat this exact check locally
Requires Python 3 and network access to Wikidata. Start with an empty cache; the command downloads the immutable revision and verifies the exact excerpt and both hashes.
python3 scripts/build_wikidata_public_claims.py verify-sources artifacts/cb7k_wikidata_public_claims.json --cache .cache/claimbound-wikidata --claim-id CB7K-DOM070-C59Verbatim structured statement and evidence
{"mainsnak":{"snaktype":"value","property":"P6104","hash":"1c055cfd1b14e5c668871289f8f62fcb264f5a4a","datavalue":{"value":{"entity-type":"item","numeric-id":88425338,"id":"Q88425338"},"type":"wikibase-entityid"}},"type":"statement","id":"Q556$2be9a003-4e55-762e-7a71-2f3343929662","rank":"normal"}60. hydrogen · maintained by WikiProject
Exact public statement under test
Wikidata statement Q556$0a13456a-4e19-19f1-9828-b7ce98c1f7b9 in revision 2521229606 asserts that hydrogen (Q556) publishes maintained by WikiProject (P6104) with value WikiProject Physics (Q8487193).
What this card proves
The exact statement GUID and JSON excerpt were publicly present in Wikidata revision 2521229606; the frozen revision content and statement match the recorded SHA-256 values.
What this card does not prove
It does not independently prove that the value is true in the real world, current outside this revision, supported by a primary source, or correctly assigned to this category.
- Exact source
- Wikidata revision 2521229606
- Locator
entity Q556; claims.P6104; statement Q556$0a13456a-4e19-19f1-9828-b7ce98c1f7b9- Captured
- 2026-07-22T17:03:59Z
- Rank / qualifiers
- normal; 0 qualifier snaks
- Wikidata references
- 0 reference blocks — presence is reported, but the referenced sources were not independently checked by this protocol.
- Source SHA-256
e30b402a10d3e4992ba12736756cc27c8126caa1d169f93481b8b20ede8029dd- Statement SHA-256
fe1b7122c54f02c9de46e3c1606346f8e8af0eee37174f6999103f3c6be307b6- Reproduction
- Maintainer run only; no independent operator rerun is registered.
Repeat this exact check locally
Requires Python 3 and network access to Wikidata. Start with an empty cache; the command downloads the immutable revision and verifies the exact excerpt and both hashes.
python3 scripts/build_wikidata_public_claims.py verify-sources artifacts/cb7k_wikidata_public_claims.json --cache .cache/claimbound-wikidata --claim-id CB7K-DOM070-C60Verbatim structured statement and evidence
{"mainsnak":{"snaktype":"value","property":"P6104","hash":"2006835f1fb3be015a856bed9c7036a1c04d012d","datavalue":{"value":{"entity-type":"item","numeric-id":8487193,"id":"Q8487193"},"type":"wikibase-entityid"}},"type":"statement","id":"Q556$0a13456a-4e19-19f1-9828-b7ce98c1f7b9","rank":"normal"}61. hydrogen · maintained by WikiProject
Exact public statement under test
Wikidata statement Q556$d2b85114-47cc-edb6-37ed-09b74528e582 in revision 2521229606 asserts that hydrogen (Q556) publishes maintained by WikiProject (P6104) with value WikiProject Biology (Q6723002).
What this card proves
The exact statement GUID and JSON excerpt were publicly present in Wikidata revision 2521229606; the frozen revision content and statement match the recorded SHA-256 values.
What this card does not prove
It does not independently prove that the value is true in the real world, current outside this revision, supported by a primary source, or correctly assigned to this category.
- Exact source
- Wikidata revision 2521229606
- Locator
entity Q556; claims.P6104; statement Q556$d2b85114-47cc-edb6-37ed-09b74528e582- Captured
- 2026-07-22T17:03:59Z
- Rank / qualifiers
- normal; 0 qualifier snaks
- Wikidata references
- 0 reference blocks — presence is reported, but the referenced sources were not independently checked by this protocol.
- Source SHA-256
e30b402a10d3e4992ba12736756cc27c8126caa1d169f93481b8b20ede8029dd- Statement SHA-256
564848702560c6a92c8400cab38c10748ad130fddf87fe09846e222342a1feea- Reproduction
- Maintainer run only; no independent operator rerun is registered.
Repeat this exact check locally
Requires Python 3 and network access to Wikidata. Start with an empty cache; the command downloads the immutable revision and verifies the exact excerpt and both hashes.
python3 scripts/build_wikidata_public_claims.py verify-sources artifacts/cb7k_wikidata_public_claims.json --cache .cache/claimbound-wikidata --claim-id CB7K-DOM070-C61Verbatim structured statement and evidence
{"mainsnak":{"snaktype":"value","property":"P6104","hash":"d5362b74a5bb18da703e0b6b6cfceb7ef2ecd1b5","datavalue":{"value":{"entity-type":"item","numeric-id":6723002,"id":"Q6723002"},"type":"wikibase-entityid"}},"type":"statement","id":"Q556$d2b85114-47cc-edb6-37ed-09b74528e582","rank":"normal"}62. hydrogen · electron configuration
Exact public statement under test
Wikidata statement Q556$5a8a4b03-4f6b-3259-cd25-3c69bc5e64e2 in revision 2521229606 asserts that hydrogen (Q556) publishes electron configuration (P8000) with value "1s¹".
What this card proves
The exact statement GUID and JSON excerpt were publicly present in Wikidata revision 2521229606; the frozen revision content and statement match the recorded SHA-256 values.
What this card does not prove
It does not independently prove that the value is true in the real world, current outside this revision, supported by a primary source, or correctly assigned to this category.
- Exact source
- Wikidata revision 2521229606
- Locator
entity Q556; claims.P8000; statement Q556$5a8a4b03-4f6b-3259-cd25-3c69bc5e64e2- Captured
- 2026-07-22T17:03:59Z
- Rank / qualifiers
- normal; 0 qualifier snaks
- Wikidata references
- 1 reference blocks — presence is reported, but the referenced sources were not independently checked by this protocol.
- Source SHA-256
e30b402a10d3e4992ba12736756cc27c8126caa1d169f93481b8b20ede8029dd- Statement SHA-256
b1306ad5c4ab8a75d2bf47772e563e2b0ad3efe09a511a3e4342b11a2b5227d2- Reproduction
- Maintainer run only; no independent operator rerun is registered.
Repeat this exact check locally
Requires Python 3 and network access to Wikidata. Start with an empty cache; the command downloads the immutable revision and verifies the exact excerpt and both hashes.
python3 scripts/build_wikidata_public_claims.py verify-sources artifacts/cb7k_wikidata_public_claims.json --cache .cache/claimbound-wikidata --claim-id CB7K-DOM070-C62Verbatim structured statement and evidence
{"mainsnak":{"snaktype":"value","property":"P8000","hash":"8081e50e67e85c476592f30f7d80e34027e43ec0","datavalue":{"value":"1s\u00b9","type":"string"}},"type":"statement","id":"Q556$5a8a4b03-4f6b-3259-cd25-3c69bc5e64e2","rank":"normal","references":[{"hash":"fa278ebfc458360e5aed63d5058cca83c46134f1","snaks":{"P143":[{"snaktype":"value","property":"P143","hash":"e4f6d9441d0600513c4533c672b5ab472dc73694","datavalue":{"value":{"entity-type":"item","numeric-id":328,"id":"Q328"},"type":"wikibase-entityid"}}]},"snaks-order":["P143"]}]}63. hydrogen · topic's main category
Exact public statement under test
Wikidata statement Q556$66BB9CDE-823D-477E-BF6F-BAA29D3CD2A6 in revision 2521229606 asserts that hydrogen (Q556) publishes topic's main category (P910) with value Category:Hydrogen (Q7215740).
What this card proves
The exact statement GUID and JSON excerpt were publicly present in Wikidata revision 2521229606; the frozen revision content and statement match the recorded SHA-256 values.
What this card does not prove
It does not independently prove that the value is true in the real world, current outside this revision, supported by a primary source, or correctly assigned to this category.
- Exact source
- Wikidata revision 2521229606
- Locator
entity Q556; claims.P910; statement Q556$66BB9CDE-823D-477E-BF6F-BAA29D3CD2A6- Captured
- 2026-07-22T17:03:59Z
- Rank / qualifiers
- normal; 0 qualifier snaks
- Wikidata references
- 0 reference blocks — presence is reported, but the referenced sources were not independently checked by this protocol.
- Source SHA-256
e30b402a10d3e4992ba12736756cc27c8126caa1d169f93481b8b20ede8029dd- Statement SHA-256
818ac10a3c6796fc752d3260fc79f0f09a7dc4d4ea01e4f8274074afe08db9b9- Reproduction
- Maintainer run only; no independent operator rerun is registered.
Repeat this exact check locally
Requires Python 3 and network access to Wikidata. Start with an empty cache; the command downloads the immutable revision and verifies the exact excerpt and both hashes.
python3 scripts/build_wikidata_public_claims.py verify-sources artifacts/cb7k_wikidata_public_claims.json --cache .cache/claimbound-wikidata --claim-id CB7K-DOM070-C63Verbatim structured statement and evidence
{"mainsnak":{"snaktype":"value","property":"P910","hash":"4b28e05b77c9ad9e6495d45b4ea8de4458c80191","datavalue":{"value":{"entity-type":"item","numeric-id":7215740,"id":"Q7215740"},"type":"wikibase-entityid"}},"type":"statement","id":"Q556$66BB9CDE-823D-477E-BF6F-BAA29D3CD2A6","rank":"normal"}64. hydrogen · Commons gallery
Exact public statement under test
Wikidata statement Q556$058017B5-2E53-4367-9FB5-FAFC475CC39D in revision 2521229606 asserts that hydrogen (Q556) publishes Commons gallery (P935) with value "Hydrogen".
What this card proves
The exact statement GUID and JSON excerpt were publicly present in Wikidata revision 2521229606; the frozen revision content and statement match the recorded SHA-256 values.
What this card does not prove
It does not independently prove that the value is true in the real world, current outside this revision, supported by a primary source, or correctly assigned to this category.
- Exact source
- Wikidata revision 2521229606
- Locator
entity Q556; claims.P935; statement Q556$058017B5-2E53-4367-9FB5-FAFC475CC39D- Captured
- 2026-07-22T17:03:59Z
- Rank / qualifiers
- normal; 0 qualifier snaks
- Wikidata references
- 0 reference blocks — presence is reported, but the referenced sources were not independently checked by this protocol.
- Source SHA-256
e30b402a10d3e4992ba12736756cc27c8126caa1d169f93481b8b20ede8029dd- Statement SHA-256
8c5e1fa353d7eb98419b2f1ea054f9376287f3dbf532678edaa92bdd6aa7a1ab- Reproduction
- Maintainer run only; no independent operator rerun is registered.
Repeat this exact check locally
Requires Python 3 and network access to Wikidata. Start with an empty cache; the command downloads the immutable revision and verifies the exact excerpt and both hashes.
python3 scripts/build_wikidata_public_claims.py verify-sources artifacts/cb7k_wikidata_public_claims.json --cache .cache/claimbound-wikidata --claim-id CB7K-DOM070-C64Verbatim structured statement and evidence
{"mainsnak":{"snaktype":"value","property":"P935","hash":"462d1ea2ccfb74f4ba230bc007253a5daf8d6e51","datavalue":{"value":"Hydrogen","type":"string"}},"type":"statement","id":"Q556$058017B5-2E53-4367-9FB5-FAFC475CC39D","rank":"normal"}65. water · Mohs' hardness
Exact public statement under test
Wikidata statement Q283$40932d88-4272-1956-1fba-5098f8c5994b in revision 2522555093 asserts that water (Q283) publishes Mohs' hardness (P1088) with value +1.5.
What this card proves
The exact statement GUID and JSON excerpt were publicly present in Wikidata revision 2522555093; the frozen revision content and statement match the recorded SHA-256 values.
What this card does not prove
It does not independently prove that the value is true in the real world, current outside this revision, supported by a primary source, or correctly assigned to this category.
- Exact source
- Wikidata revision 2522555093
- Locator
entity Q283; claims.P1088; statement Q283$40932d88-4272-1956-1fba-5098f8c5994b- Captured
- 2026-07-25T16:09:35Z
- Rank / qualifiers
- normal; 1 qualifier snaks
- Wikidata references
- 1 reference blocks — presence is reported, but the referenced sources were not independently checked by this protocol.
- Source SHA-256
980eabf440662b72e905cac3477291473328899f323d8a7411792412b9cadb30- Statement SHA-256
082daccf025c7ed5dbf2d51e4e9eec82331b06dcc598987eaf891a1511a6eec4- Reproduction
- Maintainer run only; no independent operator rerun is registered.
Repeat this exact check locally
Requires Python 3 and network access to Wikidata. Start with an empty cache; the command downloads the immutable revision and verifies the exact excerpt and both hashes.
python3 scripts/build_wikidata_public_claims.py verify-sources artifacts/cb7k_wikidata_public_claims.json --cache .cache/claimbound-wikidata --claim-id CB7K-DOM070-C65Verbatim structured statement and evidence
{"mainsnak":{"snaktype":"value","property":"P1088","hash":"a9c35428b27b94b3a5f04ae4ec0d2993755c5c65","datavalue":{"value":{"amount":"+1.5","unit":"1"},"type":"quantity"}},"type":"statement","qualifiers":{"P518":[{"snaktype":"value","property":"P518","hash":"7732d78e3c5ba4832e80b40ece2c6c9626abab09","datavalue":{"value":{"entity-type":"item","numeric-id":29115074,"id":"Q29115074"},"type":"wikibase-entityid"}}]},"qualifiers-order":["P518"],"id":"Q283$40932d88-4272-1956-1fba-5098f8c5994b","rank":"normal","references":[{"hash":"9f50a59619b0c2fb4445c9c2b13a4d5e83402278","snaks":{"P248":[{"snaktype":"value","property":"P248","hash":"5637eb5026529deefce278a98e306b5534722045","datavalue":{"value":{"entity-type":"item","numeric-id":24457508,"id":"Q24457508"},"type":"wikibase-entityid"}}]},"snaks-order":["P248"]}]}66. water · refractive index
Exact public statement under test
Wikidata statement Q283$c32e75d2-4a5b-ff8d-5d98-dfac28f90662 in revision 2522555093 asserts that water (Q283) publishes refractive index (P1109) with value +1.39450.
What this card proves
The exact statement GUID and JSON excerpt were publicly present in Wikidata revision 2522555093; the frozen revision content and statement match the recorded SHA-256 values.
What this card does not prove
It does not independently prove that the value is true in the real world, current outside this revision, supported by a primary source, or correctly assigned to this category.
- Exact source
- Wikidata revision 2522555093
- Locator
entity Q283; claims.P1109; statement Q283$c32e75d2-4a5b-ff8d-5d98-dfac28f90662- Captured
- 2026-07-25T16:09:35Z
- Rank / qualifiers
- normal; 2 qualifier snaks
- Wikidata references
- 1 reference blocks — presence is reported, but the referenced sources were not independently checked by this protocol.
- Source SHA-256
980eabf440662b72e905cac3477291473328899f323d8a7411792412b9cadb30- Statement SHA-256
782af72d450e524e59edad445217577c2301ae3d5e5e8d91de593d60d668b15c- Reproduction
- Maintainer run only; no independent operator rerun is registered.
Repeat this exact check locally
Requires Python 3 and network access to Wikidata. Start with an empty cache; the command downloads the immutable revision and verifies the exact excerpt and both hashes.
python3 scripts/build_wikidata_public_claims.py verify-sources artifacts/cb7k_wikidata_public_claims.json --cache .cache/claimbound-wikidata --claim-id CB7K-DOM070-C66Verbatim structured statement and evidence
{"mainsnak":{"snaktype":"value","property":"P1109","hash":"a69ceb72f1d37951f09f28bf586ac143465142fc","datavalue":{"value":{"amount":"+1.39450","unit":"1"},"type":"quantity"}},"type":"statement","qualifiers":{"P2076":[{"snaktype":"value","property":"P2076","hash":"15dbf1e2325ab68c1f03018f6fd6bb04537afddd","datavalue":{"value":{"amount":"+0","unit":"http:\/\/www.wikidata.org\/entity\/Q25267"},"type":"quantity"}}],"P2808":[{"snaktype":"value","property":"P2808","hash":"81752d38ca29459051411e98597f5ec91eec7c13","datavalue":{"value":{"amount":"+226.5","unit":"http:\/\/www.wikidata.org\/entity\/Q178674"},"type":"quantity"}}]},"qualifiers-order":["P2076","P2808"],"id":"Q283$c32e75d2-4a5b-ff8d-5d98-dfac28f90662","rank":"normal","references":[{"hash":"060d0e603edc6e65c0a81228808136a77435537f","snaks":{"P143":[{"snaktype":"value","property":"P143","hash":"9efbcee7ed733e8f56464a04be053bcf9ee7dfde","datavalue":{"value":{"entity-type":"item","numeric-id":2193337,"id":"Q2193337"},"type":"wikibase-entityid"}}]},"snaks-order":["P143"]}]}67. water · refractive index
Exact public statement under test
Wikidata statement Q283$bb9697ef-4bb7-f87e-2d93-b6389b96385f in revision 2522555093 asserts that water (Q283) publishes refractive index (P1109) with value +1.33432.
What this card proves
The exact statement GUID and JSON excerpt were publicly present in Wikidata revision 2522555093; the frozen revision content and statement match the recorded SHA-256 values.
What this card does not prove
It does not independently prove that the value is true in the real world, current outside this revision, supported by a primary source, or correctly assigned to this category.
- Exact source
- Wikidata revision 2522555093
- Locator
entity Q283; claims.P1109; statement Q283$bb9697ef-4bb7-f87e-2d93-b6389b96385f- Captured
- 2026-07-25T16:09:35Z
- Rank / qualifiers
- normal; 2 qualifier snaks
- Wikidata references
- 1 reference blocks — presence is reported, but the referenced sources were not independently checked by this protocol.
- Source SHA-256
980eabf440662b72e905cac3477291473328899f323d8a7411792412b9cadb30- Statement SHA-256
a6cb39088a27efc54eae830ec23e37d1cbe8fa719e47693c4b926cc5951b9609- Reproduction
- Maintainer run only; no independent operator rerun is registered.
Repeat this exact check locally
Requires Python 3 and network access to Wikidata. Start with an empty cache; the command downloads the immutable revision and verifies the exact excerpt and both hashes.
python3 scripts/build_wikidata_public_claims.py verify-sources artifacts/cb7k_wikidata_public_claims.json --cache .cache/claimbound-wikidata --claim-id CB7K-DOM070-C67Verbatim structured statement and evidence
{"mainsnak":{"snaktype":"value","property":"P1109","hash":"1096743c4f89e6c569c03b97a75acd82d94f78ca","datavalue":{"value":{"amount":"+1.33432","unit":"1"},"type":"quantity"}},"type":"statement","qualifiers":{"P2076":[{"snaktype":"value","property":"P2076","hash":"15dbf1e2325ab68c1f03018f6fd6bb04537afddd","datavalue":{"value":{"amount":"+0","unit":"http:\/\/www.wikidata.org\/entity\/Q25267"},"type":"quantity"}}],"P2808":[{"snaktype":"value","property":"P2808","hash":"9dd31c4caf342c4d027de355e50b67a27c873b13","datavalue":{"value":{"amount":"+589","unit":"http:\/\/www.wikidata.org\/entity\/Q178674"},"type":"quantity"}}]},"qualifiers-order":["P2076","P2808"],"id":"Q283$bb9697ef-4bb7-f87e-2d93-b6389b96385f","rank":"normal","references":[{"hash":"d4bd87b862b12d99d26e86472d44f26858dee639","snaks":{"P143":[{"snaktype":"value","property":"P143","hash":"f30cbd35620c4ea6d0633aaf0210a8916130469b","datavalue":{"value":{"entity-type":"item","numeric-id":8447,"id":"Q8447"},"type":"wikibase-entityid"}}]},"snaks-order":["P143"]}]}68. water · refractive index
Exact public statement under test
Wikidata statement Q283$ff59de17-47df-e2dc-bc4a-a47501a47767 in revision 2522555093 asserts that water (Q283) publishes refractive index (P1109) with value +1.32612.
What this card proves
The exact statement GUID and JSON excerpt were publicly present in Wikidata revision 2522555093; the frozen revision content and statement match the recorded SHA-256 values.
What this card does not prove
It does not independently prove that the value is true in the real world, current outside this revision, supported by a primary source, or correctly assigned to this category.
- Exact source
- Wikidata revision 2522555093
- Locator
entity Q283; claims.P1109; statement Q283$ff59de17-47df-e2dc-bc4a-a47501a47767- Captured
- 2026-07-25T16:09:35Z
- Rank / qualifiers
- normal; 2 qualifier snaks
- Wikidata references
- 1 reference blocks — presence is reported, but the referenced sources were not independently checked by this protocol.
- Source SHA-256
980eabf440662b72e905cac3477291473328899f323d8a7411792412b9cadb30- Statement SHA-256
62e11372af92379a1594de213d4222a3ceb305336d66a388afc5c95eb069ace3- Reproduction
- Maintainer run only; no independent operator rerun is registered.
Repeat this exact check locally
Requires Python 3 and network access to Wikidata. Start with an empty cache; the command downloads the immutable revision and verifies the exact excerpt and both hashes.
python3 scripts/build_wikidata_public_claims.py verify-sources artifacts/cb7k_wikidata_public_claims.json --cache .cache/claimbound-wikidata --claim-id CB7K-DOM070-C68Verbatim structured statement and evidence
{"mainsnak":{"snaktype":"value","property":"P1109","hash":"0a84c6cff767a6e5baa83d36542ed54f80adf402","datavalue":{"value":{"amount":"+1.32612","unit":"1"},"type":"quantity"}},"type":"statement","qualifiers":{"P2076":[{"snaktype":"value","property":"P2076","hash":"15dbf1e2325ab68c1f03018f6fd6bb04537afddd","datavalue":{"value":{"amount":"+0","unit":"http:\/\/www.wikidata.org\/entity\/Q25267"},"type":"quantity"}}],"P2808":[{"snaktype":"value","property":"P2808","hash":"0a61bd6163d3fc24816527fa79b54bd5c183ff6e","datavalue":{"value":{"amount":"+1013.98","unit":"http:\/\/www.wikidata.org\/entity\/Q178674"},"type":"quantity"}}]},"qualifiers-order":["P2076","P2808"],"id":"Q283$ff59de17-47df-e2dc-bc4a-a47501a47767","rank":"normal","references":[{"hash":"d4bd87b862b12d99d26e86472d44f26858dee639","snaks":{"P143":[{"snaktype":"value","property":"P143","hash":"f30cbd35620c4ea6d0633aaf0210a8916130469b","datavalue":{"value":{"entity-type":"item","numeric-id":8447,"id":"Q8447"},"type":"wikibase-entityid"}}]},"snaks-order":["P143"]}]}69. water · refractive index
Exact public statement under test
Wikidata statement Q283$ed2547cf-4f79-cc40-a217-45f4fb329222 in revision 2522555093 asserts that water (Q283) publishes refractive index (P1109) with value +1.39336.
What this card proves
The exact statement GUID and JSON excerpt were publicly present in Wikidata revision 2522555093; the frozen revision content and statement match the recorded SHA-256 values.
What this card does not prove
It does not independently prove that the value is true in the real world, current outside this revision, supported by a primary source, or correctly assigned to this category.
- Exact source
- Wikidata revision 2522555093
- Locator
entity Q283; claims.P1109; statement Q283$ed2547cf-4f79-cc40-a217-45f4fb329222- Captured
- 2026-07-25T16:09:35Z
- Rank / qualifiers
- normal; 2 qualifier snaks
- Wikidata references
- 1 reference blocks — presence is reported, but the referenced sources were not independently checked by this protocol.
- Source SHA-256
980eabf440662b72e905cac3477291473328899f323d8a7411792412b9cadb30- Statement SHA-256
42e467fe2488f1ad474cea2046aa5c819f2375a6627c14f5072e7a5da81353cf- Reproduction
- Maintainer run only; no independent operator rerun is registered.
Repeat this exact check locally
Requires Python 3 and network access to Wikidata. Start with an empty cache; the command downloads the immutable revision and verifies the exact excerpt and both hashes.
python3 scripts/build_wikidata_public_claims.py verify-sources artifacts/cb7k_wikidata_public_claims.json --cache .cache/claimbound-wikidata --claim-id CB7K-DOM070-C69Verbatim structured statement and evidence
{"mainsnak":{"snaktype":"value","property":"P1109","hash":"0a70760298db97130a6260b01e091cb80ae24107","datavalue":{"value":{"amount":"+1.39336","unit":"1"},"type":"quantity"}},"type":"statement","qualifiers":{"P2076":[{"snaktype":"value","property":"P2076","hash":"41e8c3aff8a414657b5f519dde758c618378ccf8","datavalue":{"value":{"amount":"+20","unit":"http:\/\/www.wikidata.org\/entity\/Q25267"},"type":"quantity"}}],"P2808":[{"snaktype":"value","property":"P2808","hash":"81752d38ca29459051411e98597f5ec91eec7c13","datavalue":{"value":{"amount":"+226.5","unit":"http:\/\/www.wikidata.org\/entity\/Q178674"},"type":"quantity"}}]},"qualifiers-order":["P2076","P2808"],"id":"Q283$ed2547cf-4f79-cc40-a217-45f4fb329222","rank":"normal","references":[{"hash":"d4bd87b862b12d99d26e86472d44f26858dee639","snaks":{"P143":[{"snaktype":"value","property":"P143","hash":"f30cbd35620c4ea6d0633aaf0210a8916130469b","datavalue":{"value":{"entity-type":"item","numeric-id":8447,"id":"Q8447"},"type":"wikibase-entityid"}}]},"snaks-order":["P143"]}]}70. water · refractive index
Exact public statement under test
Wikidata statement Q283$8cd4b34d-46fb-f1af-8931-a98766c212b6 in revision 2522555093 asserts that water (Q283) publishes refractive index (P1109) with value +1.33298.
What this card proves
The exact statement GUID and JSON excerpt were publicly present in Wikidata revision 2522555093; the frozen revision content and statement match the recorded SHA-256 values.
What this card does not prove
It does not independently prove that the value is true in the real world, current outside this revision, supported by a primary source, or correctly assigned to this category.
- Exact source
- Wikidata revision 2522555093
- Locator
entity Q283; claims.P1109; statement Q283$8cd4b34d-46fb-f1af-8931-a98766c212b6- Captured
- 2026-07-25T16:09:35Z
- Rank / qualifiers
- normal; 2 qualifier snaks
- Wikidata references
- 1 reference blocks — presence is reported, but the referenced sources were not independently checked by this protocol.
- Source SHA-256
980eabf440662b72e905cac3477291473328899f323d8a7411792412b9cadb30- Statement SHA-256
c5bd5fadb533eafc25af4b85cf086cc2563c54eb912e679defc55e8c1940c0d2- Reproduction
- Maintainer run only; no independent operator rerun is registered.
Repeat this exact check locally
Requires Python 3 and network access to Wikidata. Start with an empty cache; the command downloads the immutable revision and verifies the exact excerpt and both hashes.
python3 scripts/build_wikidata_public_claims.py verify-sources artifacts/cb7k_wikidata_public_claims.json --cache .cache/claimbound-wikidata --claim-id CB7K-DOM070-C70Verbatim structured statement and evidence
{"mainsnak":{"snaktype":"value","property":"P1109","hash":"b8f85964b596ae7bf9c370b650defb396d9f3be1","datavalue":{"value":{"amount":"+1.33298","unit":"1"},"type":"quantity"}},"type":"statement","qualifiers":{"P2076":[{"snaktype":"value","property":"P2076","hash":"41e8c3aff8a414657b5f519dde758c618378ccf8","datavalue":{"value":{"amount":"+20","unit":"http:\/\/www.wikidata.org\/entity\/Q25267"},"type":"quantity"}}],"P2808":[{"snaktype":"value","property":"P2808","hash":"9dd31c4caf342c4d027de355e50b67a27c873b13","datavalue":{"value":{"amount":"+589","unit":"http:\/\/www.wikidata.org\/entity\/Q178674"},"type":"quantity"}}]},"qualifiers-order":["P2076","P2808"],"id":"Q283$8cd4b34d-46fb-f1af-8931-a98766c212b6","rank":"normal","references":[{"hash":"d4bd87b862b12d99d26e86472d44f26858dee639","snaks":{"P143":[{"snaktype":"value","property":"P143","hash":"f30cbd35620c4ea6d0633aaf0210a8916130469b","datavalue":{"value":{"entity-type":"item","numeric-id":8447,"id":"Q8447"},"type":"wikibase-entityid"}}]},"snaks-order":["P143"]}]}