Certificate of Authenticity

Seal & signature

Device signature: ⟠ Verified

Blockchain timestamp (OTS): Sealed

Hash chain (sha256)
e2a33fc4550660a13511f7b25e7e6de3125ac43db62c194aa40129fdc2802e04

Scan the QR to verify this certificate online yourself.

This certificate attests that the creation process (strokes, pressure, timing) of the work above was recorded and sealed by the Sigan recorder. A hash chain and device signature detect tampering, and anyone can re-verify authenticity at the address above.