Vendor authority
Claim Anthropic
A claim establishes Entity authority and attests this exact current record. It never signs Programs, Offers, or future revisions, and claiming and correcting is free, forever.
- Immutable entity
ent_01kyh8fpe15bvn8rdb84vmk85d- Current revision
- sha256:068550891587…
- Domain of proof
claude.com- Proof methods
- Domain email, DNS TXT, well-known HTTPS file, or aligned inbound DKIM
Proof
Prove control of claude.com
Every method creates the same revision-pinned authority claim. The public catalog changes only after the signed events pass review and appear in a release.
Publish this record exactly:
- Name
- Type
TXT- Value
Token sent to .
Publish one UTF-8 line at this exact URL. Redirects are not accepted.
- URL
- Value
Send a new email from claude.com. Its DKIM signing domain must be exactly claude.com, not only the ESP domain.
- To
- Subject
- Vendor authority
- Established over claude.com
- Attested
- This exact revision, on the public record
Separate from your attestation
Verified company Verified company is a separate human check of the company’s name and main domain. Claiming this record does not award the verified tick.
The record’s badge
One stable image resolving the record’s current live facts, linking to the canonical page. Embed it once; it keeps itself current. Placement is never evidence and never affects rank.
[](https://sourcey.com/c/anthropic)The claim event is public and names its proof method. Domain loss, expiry, or a handover appends a revocation, never an edit. How the registry governs itself.