ISRC NLA507401123
Verified recording
NLA507401123 is “Nocturne No. 15 in F minor, Op. 55 No. 1” by Frédéric Chopin,
registered on the CopyrightChains blockchain with CopyrightID
0x2d8537a3ddd61f3fbc245715d6d0f93f33c3a23d8bd773421e0aca71e1f0fdc1 and independently timestamped
in Bitcoin block 960207 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA507401123.
Recording identifiers
- ISRC
- NLA507401123
- Title
- Nocturne No. 15 in F minor, Op. 55 No. 1
- Artist
- Frédéric Chopin
- CopyrightID (CopyrightChains transaction hash)
0x2d8537a3ddd61f3fbc245715d6d0f93f33c3a23d8bd773421e0aca71e1f0fdc1
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T04:47:22+00:00
- Bitcoin block
- 960207
- Canonical record hash
sha256:1d1f155b70df31688a92fd07d03db56a99f709fcd673c3a740a66f660827fbd2- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA507401123
- Bitcoin block existence check
- https://blockstream.info/api/block/960207
Full record
Track page: Nocturne No. 15 in F minor, Op. 55 No. 1 · Machine-readable JSON-LD