ISRC FRZ149220060
Verified recording
FRZ149220060 is “Nocturne No. 4 in F Major, Op. 15 No. 1. Andante cantabile: III. Lento” by Frédéric Chopin,
registered on the CopyrightChains blockchain with CopyrightID
0x6898b0ce9bb4c098ba5f12f2dc36bc278d0d32fd0e7b94906bb6f63ca762a33e and independently timestamped
in Bitcoin block 957819 on 2026-07-13.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ149220060.
Recording identifiers
- ISRC
- FRZ149220060
- Title
- Nocturne No. 4 in F Major, Op. 15 No. 1. Andante cantabile: III. Lento
- Artist
- Frédéric Chopin
- CopyrightID (CopyrightChains transaction hash)
0x6898b0ce9bb4c098ba5f12f2dc36bc278d0d32fd0e7b94906bb6f63ca762a33e
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-13T07:53:33+00:00
- Bitcoin block
- 957819
- Canonical record hash
sha256:682d5048c79da872006682678703cfb3ce6da89821683943f2b66ae8d778bbe7- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ149220060
- Bitcoin block existence check
- https://blockstream.info/api/block/957819
Full record
Track page: Nocturne No. 4 in F Major, Op. 15 No. 1. Andante cantabile: III. Lento · Machine-readable JSON-LD