ISRC JPZ921800376
Verified recording
JPZ921800376 is “Nocturne in C-Sharp Minor, Op. Posth., B. 49” by Frédéric Chopin,
registered on the CopyrightChains blockchain with CopyrightID
0x41bf97a99612cacc28e3264a8ccc4749f8f756404ee2e224a302e9b2ab7725aa and independently timestamped
in Bitcoin block 956302 on 2026-07-02.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPZ921800376.
Recording identifiers
- ISRC
- JPZ921800376
- Title
- Nocturne in C-Sharp Minor, Op. Posth., B. 49
- Artist
- Frédéric Chopin
- CopyrightID (CopyrightChains transaction hash)
0x41bf97a99612cacc28e3264a8ccc4749f8f756404ee2e224a302e9b2ab7725aa
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T03:30:09+00:00
- Bitcoin block
- 956302
- Canonical record hash
sha256:2b3fa87fc3992eca4260d2d6b7817d96cdb5d9bdcc33a7b9e17caad9c8cf9321- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPZ921800376
- Bitcoin block existence check
- https://blockstream.info/api/block/956302
Full record
Track page: Nocturne in C-Sharp Minor, Op. Posth., B. 49 · Machine-readable JSON-LD