ISRC GBBBB9706216
Verified recording
GBBBB9706216 is “Troisième Leçon de Ténèbres du Mercredi Saint: IV. Mem” by François Couperin,
registered on the CopyrightChains blockchain with CopyrightID
0x20e3d5dfb9d574f16f85f5fff9cd6fb573c4cca94b4aa1298732f8bd7b524590 and independently timestamped
in Bitcoin block 960448 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBBBB9706216.
Recording identifiers
- ISRC
- GBBBB9706216
- Title
- Troisième Leçon de Ténèbres du Mercredi Saint: IV. Mem
- Artist
- François Couperin
- CopyrightID (CopyrightChains transaction hash)
0x20e3d5dfb9d574f16f85f5fff9cd6fb573c4cca94b4aa1298732f8bd7b524590
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T18:48:12+00:00
- Bitcoin block
- 960448
- Canonical record hash
sha256:a5c56a443fe23518a3ce0bf9ed5e578fc6cfae9a9ca22f09171cd78ec9bd6e4e- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBBBB9706216
- Bitcoin block existence check
- https://blockstream.info/api/block/960448
Full record
Track page: Troisième Leçon de Ténèbres du Mercredi Saint: IV. Mem · Machine-readable JSON-LD