ISRC FRU620702308
Verified recording
FRU620702308 is “L'art de Délier Les Doigts, Op. 740.: Agilité de la Main Gauche” by Carl Czerny,
registered on the CopyrightChains blockchain with CopyrightID
0x5c33525cdc0c3872fad6ed01e8c6c33e0f81c44789870dd4f8cce1ece5c6800c and independently timestamped
in Bitcoin block 957061 on 2026-07-07.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRU620702308.
Recording identifiers
- ISRC
- FRU620702308
- Title
- L'art de Délier Les Doigts, Op. 740.: Agilité de la Main Gauche
- Artist
- Carl Czerny
- CopyrightID (CopyrightChains transaction hash)
0x5c33525cdc0c3872fad6ed01e8c6c33e0f81c44789870dd4f8cce1ece5c6800c
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-07T16:07:00+00:00
- Bitcoin block
- 957061
- Canonical record hash
sha256:4fca65320889b0d4d68cf03a468329238530c94f8557755509675ea0f4551e18- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRU620702308
- Bitcoin block existence check
- https://blockstream.info/api/block/957061
Full record
Track page: L'art de Délier Les Doigts, Op. 740.: Agilité de la Main Gauche · Machine-readable JSON-LD