Public Verification

Verify any computation or document — no account required

Receipt Not Found

No certification record exists for hash bundle

This could mean the receipt hasn't been submitted to the registry yet, or the hash may be incorrect.

Offline DocBundle Verification

Have a DocBundle (.zip)? Upload it to run the full 6-step cryptographic verification chain entirely in your browser — no server calls, no trust required. Verifies PDF hash, manifest integrity, Merkle root, and Ed25519 signature offline.