as-of answer
The answer that was in force about a domain at a given past moment, returned exactly as it was signed then, with the window it was in force and its place in the transparency log. It lets anyone audit a decision an agent made last week against the answer the agent actually had.
What as-of answer does not show
History only exists from the moment answers began to be archived.
How CrawlCheck measures as-of answer
One finding code measures it. Its share of all scans is computed from the live corpus when this page is served, not typed into it.
| Finding code | Share of scans | Guide |
|---|---|---|
ANSWER_ENGINE_REFUSED | 5.8% | Is Cloudflare blocking AI crawlers on your site? What changes on 15 September 2026 |
Every code, its rule and its current rate: the dataset page. Scan a site to see which apply to it.
Where as-of answer comes up on this site
- How an AI agent should verify a website before acting on itEvery Resolve answer carries one in its Link header, pointing at an as-of answer : curl -sI "https://crawlcheck.io/api/v1/resolve?domain=example.com" | grep -i ^link # <…/api/v1/resolve?domain=example.com&as_of=2026-10-09T16:10:04.222Z>; rel="cite-as"…
Terms this definition uses
Related terms in Proof and provenance
Showing a record existed at a date without asking anyone to trust us.
transparency log · signed tree head · inclusion proof · log witness · split-view attack · cite-as link · citation anchor · canonical origin · signed absence · threshold verdict · OpenTimestamps · anchoring · Content hash · Manifest tampering · C2PA · CAWG training and data mining assertion · content-addressed storage · Merkle tree · SHA-256 · daily seal · byline · dateline · trust center
Questions about as-of answer
What is as-of answer?
The answer that was in force about a domain at a given past moment, returned exactly as it was signed then, with the window it was in force and its place in the transparency log. It lets anyone audit a decision an agent made last week against the answer the agent actually had.
What does as-of answer not show or guarantee?
History only exists from the moment answers began to be archived.
How does CrawlCheck measure as-of answer?
Through the finding code ANSWER_ENGINE_REFUSED, each with a stated rule, evidence bytes and a live share of scans on the dataset page.
Which area of the glossary does as-of answer belong to?
Proof and provenance: Showing a record existed at a date without asking anyone to trust us.
← cite-as link · citation anchor →
See it in the full glossary · 731 terms across 19 areas.