ISRC DEF056507191
Verified recording
DEF056507191 is “Nocturne No. 5 in F-Sharp Major, Op. 15 No. 2 - Pt. 1” by Frédéric Chopin,
registered on the CopyrightChains blockchain with CopyrightID
0x654927933d1cde1bec5a4415074c6a0615a76a83058e8d38090ff8a8bb5ef833 and independently timestamped
in Bitcoin block 960330 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF056507191.
Recording identifiers
- ISRC
- DEF056507191
- Title
- Nocturne No. 5 in F-Sharp Major, Op. 15 No. 2 - Pt. 1
- Artist
- Frédéric Chopin
- CopyrightID (CopyrightChains transaction hash)
0x654927933d1cde1bec5a4415074c6a0615a76a83058e8d38090ff8a8bb5ef833
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T00:58:21+00:00
- Bitcoin block
- 960330
- Canonical record hash
sha256:e450534ed38cc23d87fdd9a32a497cccba2f82b4c7a5c3be8a9860143104748f- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF056507191
- Bitcoin block existence check
- https://blockstream.info/api/block/960330
Full record
Track page: Nocturne No. 5 in F-Sharp Major, Op. 15 No. 2 - Pt. 1 · Machine-readable JSON-LD