ISRC DEF058101170
Verified recording
DEF058101170 is “Nocturne No. 17 In B, Op. 62 No. 1” by Frédéric Chopin,
registered on the CopyrightChains blockchain with CopyrightID
0xeba53157402f50baee5c43d0d43a8e75c07a896db349eeb2a22d80dd54eeec07 and independently timestamped
in Bitcoin block 960455 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF058101170.
Recording identifiers
- ISRC
- DEF058101170
- Title
- Nocturne No. 17 In B, Op. 62 No. 1
- Artist
- Frédéric Chopin
- CopyrightID (CopyrightChains transaction hash)
0xeba53157402f50baee5c43d0d43a8e75c07a896db349eeb2a22d80dd54eeec07
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T19:53:13+00:00
- Bitcoin block
- 960455
- Canonical record hash
sha256:3a50108227f68978a322403ae8de5dfa18533e0fe430899ecba0421f3677ad6e- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF058101170
- Bitcoin block existence check
- https://blockstream.info/api/block/960455
Full record
Track page: Nocturne No. 17 In B, Op. 62 No. 1 · Machine-readable JSON-LD