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.
Created in 1966 with Kodachrome film and exhibited at all of John Neville Cohen's one man exhibitions.
Artwork Hash (SHA‑256)99A88020FBE34FCE49F247F0A35C62AE9FD0905BAC5243CF2939D3DF32A9F187 This unique hash is the digital fingerprint of the artwork, it identifies the artwork with absolute precision! All eight editions share the same hash, but each edition has its own independent verification timestamp. You can download the Hash text document, the number will appear when you click on the Hash link, then right click anywhere and select 'Save as' a text document (TXT file) and it will be saved in your Downloads folder. |
Edition Blockchain AttestationsEach link below will download the corresponding .ots file. OpenTimestamps.org and upload the .ots file to 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 |
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