ISRC DEF058902490
Verified recording
DEF058902490 is “Les Contes d'Hoffmann / Act 4: Entr'acte (Barcarolle)” by Jacques Offenbach,
registered on the CopyrightChains blockchain with CopyrightID
0xa245e020ce717fadcec268f73aee26ba3f8098ab2bc9dc3d1a148b752ffd9c9f and independently timestamped
in Bitcoin block 960163 on 2026-07-29.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF058902490.
Recording identifiers
- ISRC
- DEF058902490
- Title
- Les Contes d'Hoffmann / Act 4: Entr'acte (Barcarolle)
- Artist
- Jacques Offenbach
- CopyrightID (CopyrightChains transaction hash)
0xa245e020ce717fadcec268f73aee26ba3f8098ab2bc9dc3d1a148b752ffd9c9f
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-29T23:20:38+00:00
- Bitcoin block
- 960163
- Canonical record hash
sha256:dbd7c8c8ee1c02d37c9e3e8d47e6bbb039e7e96e74e6ba5423b7693448353e23- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF058902490
- Bitcoin block existence check
- https://blockstream.info/api/block/960163
Full record
Track page: Les Contes d'Hoffmann / Act 4: Entr'acte (Barcarolle) · Machine-readable JSON-LD