ISRC GBF078741026
Verified recording
GBF078741026 is “Nocturne No. 15 in F minor, Op. 55 No. 1” by Frédéric Chopin,
registered on the CopyrightChains blockchain with CopyrightID
0x5d168cd0a288c556b11a2f9cf4929a2cbd9bac5426a1c34b80aa452fc5d4dc8a and independently timestamped
in Bitcoin block 960309 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF078741026.
Recording identifiers
- ISRC
- GBF078741026
- Title
- Nocturne No. 15 in F minor, Op. 55 No. 1
- Artist
- Frédéric Chopin
- CopyrightID (CopyrightChains transaction hash)
0x5d168cd0a288c556b11a2f9cf4929a2cbd9bac5426a1c34b80aa452fc5d4dc8a
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T20:35:49+00:00
- Bitcoin block
- 960309
- Canonical record hash
sha256:9738ac17a0d16a8655c246bf176f4f0ca629ef08d19f3e097906b22e0e506e8c- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF078741026
- Bitcoin block existence check
- https://blockstream.info/api/block/960309
Full record
Track page: Nocturne No. 15 in F minor, Op. 55 No. 1 · Machine-readable JSON-LD