ISRC DEF058631213
Verified recording
DEF058631213 is “Les Contes d'Hoffmann / Act 2: "Voici les valseurs!"” by Jacques Offenbach,
registered on the CopyrightChains blockchain with CopyrightID
0x6bce4fe325d83ff245d3fec0ab7c4a37ec979187f203c9b9e6d6d07c4f09e4b9 and independently timestamped
in Bitcoin block 959132 on 2026-07-22.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF058631213.
Recording identifiers
- ISRC
- DEF058631213
- Title
- Les Contes d'Hoffmann / Act 2: "Voici les valseurs!"
- Artist
- Jacques Offenbach
- CopyrightID (CopyrightChains transaction hash)
0x6bce4fe325d83ff245d3fec0ab7c4a37ec979187f203c9b9e6d6d07c4f09e4b9
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-22T13:20:46+00:00
- Bitcoin block
- 959132
- Canonical record hash
sha256:c0c7677180fb520c0d2105124b220197b6280252d3707fc1cc305bc56f493b2d- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF058631213
- Bitcoin block existence check
- https://blockstream.info/api/block/959132
Full record
Track page: Les Contes d'Hoffmann / Act 2: "Voici les valseurs!" · Machine-readable JSON-LD