ISRC FR50X1395721
Verified recording
FR50X1395721 is “Leçons de ténèbres, Troisième leçon pour le mercredy: IV. Mem” by François Couperin,
registered on the CopyrightChains blockchain with CopyrightID
0xe9b3077dcdf40dc3c0aa85418861b5aa9836283baa9f0af1a25bb82901afa52e and independently timestamped
in Bitcoin block 957118 on 2026-07-08.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR50X1395721.
Recording identifiers
- ISRC
- FR50X1395721
- Title
- Leçons de ténèbres, Troisième leçon pour le mercredy: IV. Mem
- Artist
- François Couperin
- CopyrightID (CopyrightChains transaction hash)
0xe9b3077dcdf40dc3c0aa85418861b5aa9836283baa9f0af1a25bb82901afa52e
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:65f800db9dc71e82d1437c8e9caf1c751233d6b1ba2a878e2f83e071ab644767- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR50X1395721
- Bitcoin block existence check
- https://blockstream.info/api/block/957118
Full record
Track page: Leçons de ténèbres, Troisième leçon pour le mercredy: IV. Mem · Machine-readable JSON-LD