ISRC FRZ209908227
Verified recording
FRZ209908227 is “Chopin: 3 Nouvelles études, Op. Posth.: No. 3 in D-Flat Major” by Frédéric Chopin,
registered on the CopyrightChains blockchain with CopyrightID
0x9fc6f103a1107adba99bfab5a61eb9f01e93617dbf6a453117ed1761c4f98e5d and independently timestamped
in Bitcoin block 960264 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ209908227.
Recording identifiers
- ISRC
- FRZ209908227
- Title
- Chopin: 3 Nouvelles études, Op. Posth.: No. 3 in D-Flat Major
- Artist
- Frédéric Chopin
- CopyrightID (CopyrightChains transaction hash)
0x9fc6f103a1107adba99bfab5a61eb9f01e93617dbf6a453117ed1761c4f98e5d
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T14:36:16+00:00
- Bitcoin block
- 960264
- Canonical record hash
sha256:86dd9250751bb4320a00f291d043c95162626a9b096df09b36d3837bbbf9af5a- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ209908227
- Bitcoin block existence check
- https://blockstream.info/api/block/960264
Full record
Track page: Chopin: 3 Nouvelles études, Op. Posth.: No. 3 in D-Flat Major · Machine-readable JSON-LD