AINumbers.co

Anchorproof

Create a signing envelope. Your document never leaves this device.

Anchorproof produces verifiable evidence and an audit trail, shaped like an advanced electronic signature. It is not a qualified electronic signature and not a QTSP service. The service proves that a specific document hash was signed by the holder of a specific key at a time attested by named timestamp authorities. It does not establish the signer's legal identity. No document bytes, signing keys, or personal information are stored.

Step 1: Drop or choose the document to sign

Drop the document here, or click to choose SHA-256 is computed in your browser. Nothing leaves your device.