ISRC GBF077310190
Verified recording
GBF077310190 is “Nocturne No. 15 in F minor, Op. 55 No. 1” by Frédéric Chopin,
registered on the CopyrightChains blockchain with CopyrightID
0x0c1ee75b814cd00b0a4bb3bb9af02352fb3f82dfd7d5f51f1727d61b15c11bd2 and independently timestamped
in Bitcoin block 960138 on 2026-07-29.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF077310190.
Recording identifiers
- ISRC
- GBF077310190
- Title
- Nocturne No. 15 in F minor, Op. 55 No. 1
- Artist
- Frédéric Chopin
- CopyrightID (CopyrightChains transaction hash)
0x0c1ee75b814cd00b0a4bb3bb9af02352fb3f82dfd7d5f51f1727d61b15c11bd2
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-29T19:35:34+00:00
- Bitcoin block
- 960138
- Canonical record hash
sha256:e6d8c204bce96d6aed17bd1fa88fde2f4d159b628e606a7a0b06603c01060d3f- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF077310190
- Bitcoin block existence check
- https://blockstream.info/api/block/960138
Full record
Track page: Nocturne No. 15 in F minor, Op. 55 No. 1 · Machine-readable JSON-LD