This page provides the complete decentralised independently timestamped verification attestations for all eight editions of Madam Butterfly, part of John Neville Cohen’s Painting with Light collection.
Artwork Hash (SHA‑256)99A88020FBE34FCE49F247F0A35C62AE9FD0905BAC5243CF2939D3DF32A9F187 This unique hash is the digital fingerprint of the artwork. All eight editions share the same hash, but each edition has its own independent verification timestamp. Download the Hash text document. |
Edition Blockchain AttestationsEach link below opens the corresponding .ots file stored on the server. OpenTimestamps will automatically verify the timestamp on the blockchain. Edition 1 of 8 Edition 2 of 8 Edition 3 of 8 Edition 4 of 8 Edition 5 of 8 Edition 6 of 8 Edition 7 of 8 Edition 8 of 8 |
| Return to Madam Butterfly |