ISRC DEF058631243
Verified recording
DEF058631243 is “Les Contes d'Hoffmann / Act 3: Qu'as-tu donc?” by Jacques Offenbach,
registered on the CopyrightChains blockchain with CopyrightID
0xf509534819b87c0c7d49ccfe6688ecad84824b9ac656c37751b3332b36999bd6 and independently timestamped
in Bitcoin block 960181 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF058631243.
Recording identifiers
- ISRC
- DEF058631243
- Title
- Les Contes d'Hoffmann / Act 3: Qu'as-tu donc?
- Artist
- Jacques Offenbach
- CopyrightID (CopyrightChains transaction hash)
0xf509534819b87c0c7d49ccfe6688ecad84824b9ac656c37751b3332b36999bd6
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T00:53:20+00:00
- Bitcoin block
- 960181
- Canonical record hash
sha256:950f8bad84e7ef993f80400d373e12a9a30f61b63c2b2a9250248fa9097524ec- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF058631243
- Bitcoin block existence check
- https://blockstream.info/api/block/960181
Full record
Track page: Les Contes d'Hoffmann / Act 3: Qu'as-tu donc? · Machine-readable JSON-LD