# Universal Hydrogen
> Universal Hydrogen — Wikidata Q116994271; American hydrogen aviation company; source revision 2058541993, modified 2024-01-21T01:44:17Z.

- Canonical entity: https://readyscan.ai/entities/universal-hydrogen-q116994271
- Website listed in the source snapshot: https://hydrogen.aero/
- Category: [Wikidata companies](https://readyscan.ai/directory/wikidata-companies)
- Machine record: https://readyscan.ai/discovery/entities/universal-hydrogen-q116994271.json
- Material fingerprint: fnv1a64:b0b21e911a9e4141
- Entity revision: fnv1a64:4a957b3fd8d958f1
- Published: 2026-07-29
- Modified: 2026-07-29

## Source-backed claims
- Source description: American hydrogen aviation company Sources: https://www.wikidata.org/wiki/Special:EntityData/Q116994271.json?revision=2058541993
- Source-listed website: hydrogen.aero — https://hydrogen.aero/ Sources: https://www.wikidata.org/wiki/Special:EntityData/Q116994271.json?revision=2058541993
- Wikidata item: Wikidata Q116994271 Sources: https://www.wikidata.org/wiki/Special:EntityData/Q116994271.json?revision=2058541993
- Source revision: 2058541993, modified 2024-01-21T01:44:17Z Sources: https://www.wikidata.org/wiki/Special:EntityData/Q116994271.json?revision=2058541993

## Sources
- [Universal Hydrogen — Wikidata Q116994271](https://www.wikidata.org/wiki/Special:EntityData/Q116994271.json?revision=2058541993) — Wikidata
- [Wikidata data access](https://www.wikidata.org/wiki/Help:Data_access) — Wikidata
- [Wikidata reuse permission](https://www.wikidata.org/wiki/Wikidata:Licensing) — Wikidata
- [CC0 1.0 Universal](https://creativecommons.org/publicdomain/zero/1.0/) — Wikidata

## Agent return protocol
- Discover the bounded graph: https://readyscan.ai/api/v1/ai-search/discovery
- Retrieve this entity evidence: https://readyscan.ai/api/v1/ai-search/entities/universal-hydrogen-q116994271/evidence
- Verify a published claim ID: https://readyscan.ai/api/v1/ai-search/verify?entity=universal-hydrogen-q116994271&claim={claim-id}
- Verification evaluates only the current published evidence revision. Unsupported interpretation remains unknown.

## Publication boundary
- This public-sourced, unclaimed record republishes selected permitted snapshot facts and has not been verified as controlled by an owner.
- Publication does not guarantee crawling, indexing, training inclusion, citation, recommendation, referral, or revenue.