ISRC FRZ119401630
Verified recording
FRZ119401630 is “Chopin: Nocturne No. 3 in B Major, Op. 9 No. 3” by Frédéric Chopin,
registered on the CopyrightChains blockchain with CopyrightID
0xe76155039ce428f0ec6510bd09282d00ea26e41f3e92b37d2c027f9493eefd6e 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/FRZ119401630.
Recording identifiers
- ISRC
- FRZ119401630
- Title
- Chopin: Nocturne No. 3 in B Major, Op. 9 No. 3
- Artist
- Frédéric Chopin
- CopyrightID (CopyrightChains transaction hash)
0xe76155039ce428f0ec6510bd09282d00ea26e41f3e92b37d2c027f9493eefd6e
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T03:30:09+00:00
- Bitcoin block
- 956302
- Canonical record hash
sha256:d5853907d7b4c1088dcc83cd9258d9c0b64aa2b51ba11dd1801c6903e80fe582- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ119401630
- Bitcoin block existence check
- https://blockstream.info/api/block/956302
Full record
Track page: Chopin: Nocturne No. 3 in B Major, Op. 9 No. 3 · Machine-readable JSON-LD