ISRC DEF058631247
Verified recording
DEF058631247 is “Les Contes d'Hoffmann / Act 4: Je vois qu'on est en fête” by Jacques Offenbach,
registered on the CopyrightChains blockchain with CopyrightID
0x4b115a607151eed4bfeae309449c42c71a94a55105fd08cd83f55bfc4b7f8180 and independently timestamped
in Bitcoin block 960144 on 2026-07-29.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF058631247.
Recording identifiers
- ISRC
- DEF058631247
- Title
- Les Contes d'Hoffmann / Act 4: Je vois qu'on est en fête
- Artist
- Jacques Offenbach
- CopyrightID (CopyrightChains transaction hash)
0x4b115a607151eed4bfeae309449c42c71a94a55105fd08cd83f55bfc4b7f8180
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-29T21:09:47+00:00
- Bitcoin block
- 960144
- Canonical record hash
sha256:6fcb62698c6203e5424c4a036a94466427b4eeec34bea1716bbc59cfb0282ee8- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF058631247
- Bitcoin block existence check
- https://blockstream.info/api/block/960144
Full record
Track page: Les Contes d'Hoffmann / Act 4: Je vois qu'on est en fête · Machine-readable JSON-LD