Public Verification

Verify any computation or document — no account required

Enter a Receipt Hash

Paste any Proven receipt hash above to verify its certification status. This lookup is public and requires no authentication.

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.