ISRC DEF058631250
Verified recording
DEF058631250 is “Les Contes d'Hoffmann / Act 4: Hélas, mon coeur s'égare encore” by Jacques Offenbach,
registered on the CopyrightChains blockchain with CopyrightID
0x62a6c77445f775fbd23e93149aa02d326e32efcd7bc85a9584ae2001ff3e9d45 and independently timestamped
in Bitcoin block 959087 on 2026-07-22.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF058631250.
Recording identifiers
- ISRC
- DEF058631250
- Title
- Les Contes d'Hoffmann / Act 4: Hélas, mon coeur s'égare encore
- Artist
- Jacques Offenbach
- CopyrightID (CopyrightChains transaction hash)
0x62a6c77445f775fbd23e93149aa02d326e32efcd7bc85a9584ae2001ff3e9d45
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-22T02:05:55+00:00
- Bitcoin block
- 959087
- Canonical record hash
sha256:a80211a1e5d3f7e09fcc29a1f82949a9d33fe3cd16ef8e4bf101b6dd2b308548- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF058631250
- Bitcoin block existence check
- https://blockstream.info/api/block/959087
Full record
Track page: Les Contes d'Hoffmann / Act 4: Hélas, mon coeur s'égare encore · Machine-readable JSON-LD