ISRC DES381704001
Verified recording
DES381704001 is “Nocturne No. 1 in B-Flat Minor, Op. 9: I. Larghetto” by Frédéric Chopin,
registered on the CopyrightChains blockchain with CopyrightID
0x2ed6cc3bf65938903173370995bfafe79e94a3deb76e98851d974e47b03a79d2 and independently timestamped
in Bitcoin block 960352 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DES381704001.
Recording identifiers
- ISRC
- DES381704001
- Title
- Nocturne No. 1 in B-Flat Minor, Op. 9: I. Larghetto
- Artist
- Frédéric Chopin
- CopyrightID (CopyrightChains transaction hash)
0x2ed6cc3bf65938903173370995bfafe79e94a3deb76e98851d974e47b03a79d2
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T05:48:30+00:00
- Bitcoin block
- 960352
- Canonical record hash
sha256:e91942dac1ff57ebc74748ae5300c644a3643dceb9e34400e486a1b985744b91- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DES381704001
- Bitcoin block existence check
- https://blockstream.info/api/block/960352
Full record
Track page: Nocturne No. 1 in B-Flat Minor, Op. 9: I. Larghetto · Machine-readable JSON-LD