ISRC USB8U1071167
Verified recording
USB8U1071167 is “Les contes d'Hoffmann (The Tales of Hoffmann)*: Act I: The Doll's Song (Olympia, Chorus)” by Jacques Offenbach,
registered on the CopyrightChains blockchain with CopyrightID
0x85545dc065e22424df08363c38aae33e4e03b34488ca5aaf52e5c8d74f6ba9af and independently timestamped
in Bitcoin block 957055 on 2026-07-07.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USB8U1071167.
Recording identifiers
- ISRC
- USB8U1071167
- Title
- Les contes d'Hoffmann (The Tales of Hoffmann)*: Act I: The Doll's Song (Olympia, Chorus)
- Artist
- Jacques Offenbach
- CopyrightID (CopyrightChains transaction hash)
0x85545dc065e22424df08363c38aae33e4e03b34488ca5aaf52e5c8d74f6ba9af
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-07T15:12:44+00:00
- Bitcoin block
- 957055
- Canonical record hash
sha256:7635c47842c71736d98673445a3e0e94e526c157bf34996760fc9a6184a8afa7- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USB8U1071167
- Bitcoin block existence check
- https://blockstream.info/api/block/957055
Full record
Track page: Les contes d'Hoffmann (The Tales of Hoffmann)*: Act I: The Doll's Song (Olympia, Chorus) · Machine-readable JSON-LD