ISRC FRZ149220040
Verified recording
FRZ149220040 is “Nocturne No. 4 in F Major, Op. 15 No. 1. Andante cantabile” by Frédéric Chopin,
registered on the CopyrightChains blockchain with CopyrightID
0x9b5d9b953f151767b9ff4f0f057ee8375ae0e92cb5d846df6972d79202240040 and independently timestamped
in Bitcoin block 959100 on 2026-07-22.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ149220040.
Recording identifiers
- ISRC
- FRZ149220040
- Title
- Nocturne No. 4 in F Major, Op. 15 No. 1. Andante cantabile
- Artist
- Frédéric Chopin
- CopyrightID (CopyrightChains transaction hash)
0x9b5d9b953f151767b9ff4f0f057ee8375ae0e92cb5d846df6972d79202240040
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-22T05:29:55+00:00
- Bitcoin block
- 959100
- Canonical record hash
sha256:3d876b65b395ee8a3f5a34553052349973c919d381124a23092bfe84a3ff9f64- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ149220040
- Bitcoin block existence check
- https://blockstream.info/api/block/959100
Full record
Track page: Nocturne No. 4 in F Major, Op. 15 No. 1. Andante cantabile · Machine-readable JSON-LD