# CERTASS
> CERTASS — Wikidata Q136334409; scheme for registering new window, door, insulation installations (UK); source revision 2490389501, modified 2026-05-12T10:49:45Z.

- Canonical entity: https://readyscan.ai/entities/certass-q136334409
- Website listed in the source snapshot: https://www.certass.co.uk/
- Category: [Wikidata companies](https://readyscan.ai/directory/wikidata-companies)
- Machine record: https://readyscan.ai/discovery/entities/certass-q136334409.json
- Material fingerprint: fnv1a64:a388f99bb354956b
- Entity revision: fnv1a64:bfd45c29479f5ebd
- Published: 2026-07-29
- Modified: 2026-07-29

## Source-backed claims
- Source description: scheme for registering new window, door, insulation installations (UK) Sources: https://www.wikidata.org/wiki/Special:EntityData/Q136334409.json?revision=2490389501
- Source-listed website: www.certass.co.uk — https://www.certass.co.uk/ Sources: https://www.wikidata.org/wiki/Special:EntityData/Q136334409.json?revision=2490389501
- Wikidata item: Wikidata Q136334409 Sources: https://www.wikidata.org/wiki/Special:EntityData/Q136334409.json?revision=2490389501
- Source revision: 2490389501, modified 2026-05-12T10:49:45Z Sources: https://www.wikidata.org/wiki/Special:EntityData/Q136334409.json?revision=2490389501

## Sources
- [CERTASS — Wikidata Q136334409](https://www.wikidata.org/wiki/Special:EntityData/Q136334409.json?revision=2490389501) — 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/certass-q136334409/evidence
- Verify a published claim ID: https://readyscan.ai/api/v1/ai-search/verify?entity=certass-q136334409&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.