ISRC FRZ209908225
Verified recording
FRZ209908225 is “Chopin: 3 Nouvelles études, Op. Posth.: No. 1 in F Minor” by Frédéric Chopin,
registered on the CopyrightChains blockchain with CopyrightID
0x09b4e8079fd30e11bc872cdf39da99aefe5b6faf36fedb9814e63d707d4dc1fa and independently timestamped
in Bitcoin block 960138 on 2026-07-29.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ209908225.
Recording identifiers
- ISRC
- FRZ209908225
- Title
- Chopin: 3 Nouvelles études, Op. Posth.: No. 1 in F Minor
- Artist
- Frédéric Chopin
- CopyrightID (CopyrightChains transaction hash)
0x09b4e8079fd30e11bc872cdf39da99aefe5b6faf36fedb9814e63d707d4dc1fa
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-29T19:35:34+00:00
- Bitcoin block
- 960138
- Canonical record hash
sha256:cf022d2e33e34a0a3032cc8e8ab518ef9045af692e632e8e4b70ba5eca593ce6- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ209908225
- Bitcoin block existence check
- https://blockstream.info/api/block/960138
Full record
Track page: Chopin: 3 Nouvelles études, Op. Posth.: No. 1 in F Minor · Machine-readable JSON-LD