ISRC DEF058631244
Verified recording
DEF058631244 is “Les Contes d'Hoffmann / Act 3: "Ne plus chanter!"” by Jacques Offenbach,
registered on the CopyrightChains blockchain with CopyrightID
0x85cf6effa9f12ec872e0a130d906b55b1aeaa5eb2cd031a52f3f1198b1198ecf and independently timestamped
in Bitcoin block 960170 on 2026-07-29.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF058631244.
Recording identifiers
- ISRC
- DEF058631244
- Title
- Les Contes d'Hoffmann / Act 3: "Ne plus chanter!"
- Artist
- Jacques Offenbach
- CopyrightID (CopyrightChains transaction hash)
0x85cf6effa9f12ec872e0a130d906b55b1aeaa5eb2cd031a52f3f1198b1198ecf
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-29T23:52:38+00:00
- Bitcoin block
- 960170
- Canonical record hash
sha256:ab4f266ca711434c6da96a0508696b05e6e75ddbf282e687ad92d711880a4d5e- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF058631244
- Bitcoin block existence check
- https://blockstream.info/api/block/960170
Full record
Track page: Les Contes d'Hoffmann / Act 3: "Ne plus chanter!" · Machine-readable JSON-LD