Certificate of Authenticity

Seal & signature

Device signature: ⟠ Verified

Blockchain timestamp (OTS): Sealed

Hash chain (sha256)
996942c67222710a7f8605cbfd3a16658da464950d9481214218c70f112a953e

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.