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Madam Butterfly - Provenance

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)

The 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.

Edition Blockchain Attestation

Download the Hash text document
This link above will save the Hash text document in your Download Folder.

This .ots link will download the corresponding .ots file to your Download Folder.

Edition 1 of 8
OpenTimestamps Verification

Click on 'Stamp and Verify' upload the .ots file to automatically verify the timestamp on the blockchain.
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