Signed Analysis โ€” verify

Check that a document was authored by the verified human named in its credential, and that not one byte has changed since they signed it.

๐Ÿ”’ Nothing you drop here leaves your browser. Hashing and signature verification run locally via WebCrypto; this page only serves the public keys.
1 ยท Drop the document (or click)
2 ยท Drop the credential (.sa.json)

Keys: /.well-known/jwks.json ยท Agents: POST /api/verify {credential, sha256} ยท A pass means the named verified human took responsibility for these exact bytes โ€” it does not describe how the work was produced.