ISRC USA371452329
Verified recording
USA371452329 is “Nocturne, No. 4 In F” by Frédéric Chopin,
registered on the CopyrightChains blockchain with CopyrightID
0x2d20b51cc3299aca82dfa26135740c63df37134723f5cf0035b775ad530c6d36 and independently timestamped
in Bitcoin block 960397 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USA371452329.
Recording identifiers
- ISRC
- USA371452329
- Title
- Nocturne, No. 4 In F
- Artist
- Frédéric Chopin
- CopyrightID (CopyrightChains transaction hash)
0x2d20b51cc3299aca82dfa26135740c63df37134723f5cf0035b775ad530c6d36
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T12:24:41+00:00
- Bitcoin block
- 960397
- Canonical record hash
sha256:edac4095de2ae8cd56be909c8881405e9359b66cf52356a9fd12d4e577c717de- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USA371452329
- Bitcoin block existence check
- https://blockstream.info/api/block/960397