ISRC FRZ209616820
Verified recording
FRZ209616820 is “Offenbach: Les contes d'Hoffmann, Act 1: Entracte” by Jacques Offenbach,
registered on the CopyrightChains blockchain with CopyrightID
0xbb798f389b0674d1e730017a8fec06ef9eb06a9bce3f52d6bb551995aa376a97 and independently timestamped
in Bitcoin block 960222 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ209616820.
Recording identifiers
- ISRC
- FRZ209616820
- Title
- Offenbach: Les contes d'Hoffmann, Act 1: Entracte
- Artist
- Jacques Offenbach
- CopyrightID (CopyrightChains transaction hash)
0xbb798f389b0674d1e730017a8fec06ef9eb06a9bce3f52d6bb551995aa376a97
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T07:48:45+00:00
- Bitcoin block
- 960222
- Canonical record hash
sha256:76765e789ece1d7fc565ab6633e20f32003d7c23be049af002df086011214574- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ209616820
- Bitcoin block existence check
- https://blockstream.info/api/block/960222
Full record
Track page: Offenbach: Les contes d'Hoffmann, Act 1: Entracte · Machine-readable JSON-LD