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Verify a Signature

A signature is a customer acknowledgment, signed with an ES256 key pair generated in the signer's browser. The private key never leaves their device. Verification confirms the acknowledgment statement was signed by that key.

How to verify

  1. 1Find your signature ID (looks like sig_…).
  2. 2Paste it into the proof portal and verify. No account required.
  3. 3The result shows the cryptographic checks the record actually carries — signature, hash, and any RFC 3161 / Bitcoin timestamps.
Open the proof portal

Already have a link like /verify/signature/your-id? Open it directly.