ISRC GBF077240016
Verified recording
GBF077240016 is “Les Contes d'Hoffmann / Act 1: Voici les valseurs!” by Jacques Offenbach,
registered on the CopyrightChains blockchain with CopyrightID
0xd98ba0695783dfcf0fe2e37a90bc8d703b6679f05a00dfd1ec17d848806b2329 and independently timestamped
in Bitcoin block 956889 on 2026-07-06.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF077240016.
Recording identifiers
- ISRC
- GBF077240016
- Title
- Les Contes d'Hoffmann / Act 1: Voici les valseurs!
- Artist
- Jacques Offenbach
- CopyrightID (CopyrightChains transaction hash)
0xd98ba0695783dfcf0fe2e37a90bc8d703b6679f05a00dfd1ec17d848806b2329
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-06T06:56:49+00:00
- Bitcoin block
- 956889
- Canonical record hash
sha256:00f5fba0e48ecc3252424621eab2e1ebba9b63f1d974e2f09af8570dc6775993- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF077240016
- Bitcoin block existence check
- https://blockstream.info/api/block/956889
Full record
Track page: Les Contes d'Hoffmann / Act 1: Voici les valseurs! · Machine-readable JSON-LD