ISRC GBBBB9706217
Verified recording
GBBBB9706217 is “Troisième Leçon de Ténèbres du Mercredi Saint: V. Nun” by François Couperin,
registered on the CopyrightChains blockchain with CopyrightID
0xb9c7483f5fd05d1dfde3d786cc920f567dde929093c24fa637a17995d0d2a252 and independently timestamped
in Bitcoin block 960455 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBBBB9706217.
Recording identifiers
- ISRC
- GBBBB9706217
- Title
- Troisième Leçon de Ténèbres du Mercredi Saint: V. Nun
- Artist
- François Couperin
- CopyrightID (CopyrightChains transaction hash)
0xb9c7483f5fd05d1dfde3d786cc920f567dde929093c24fa637a17995d0d2a252
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T19:53:13+00:00
- Bitcoin block
- 960455
- Canonical record hash
sha256:e81d3672d7d51775397b8f645bd6ebef4a24a047c1eeb3d6fa11be2ac6c1662f- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBBBB9706217
- Bitcoin block existence check
- https://blockstream.info/api/block/960455
Full record
Track page: Troisième Leçon de Ténèbres du Mercredi Saint: V. Nun · Machine-readable JSON-LD