ISRC DEF056507177
Verified recording
DEF056507177 is “Nocturne No. 1 in B-Flat Minor, Op. 9 No. 1 - Pt. 7” by Frédéric Chopin,
registered on the CopyrightChains blockchain with CopyrightID
0x9b089802e59e767f84f40303ea6a0ad5220b97722f1ab844325d1cd35adc7c9d and independently timestamped
in Bitcoin block 960334 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF056507177.
Recording identifiers
- ISRC
- DEF056507177
- Title
- Nocturne No. 1 in B-Flat Minor, Op. 9 No. 1 - Pt. 7
- Artist
- Frédéric Chopin
- CopyrightID (CopyrightChains transaction hash)
0x9b089802e59e767f84f40303ea6a0ad5220b97722f1ab844325d1cd35adc7c9d
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T02:19:15+00:00
- Bitcoin block
- 960334
- Canonical record hash
sha256:b9995c1c5bde43516b27fb285161ccf21db59b8e2d4bec18b18acd25506851dc- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF056507177
- Bitcoin block existence check
- https://blockstream.info/api/block/960334
Full record
Track page: Nocturne No. 1 in B-Flat Minor, Op. 9 No. 1 - Pt. 7 · Machine-readable JSON-LD