ISRC FRZ149220050
Verified recording
FRZ149220050 is “Nocturne No. 4 in F Major, Op. 15 No. 1. Andante cantabile: Nocturne No. 2, Op. 15” by Frédéric Chopin,
registered on the CopyrightChains blockchain with CopyrightID
0x8360e31aed4eab1767f403c12195d19a00da7b8e4bfe6810f77aa65769b1adfb and independently timestamped
in Bitcoin block 956894 on 2026-07-06.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ149220050.
Recording identifiers
- ISRC
- FRZ149220050
- Title
- Nocturne No. 4 in F Major, Op. 15 No. 1. Andante cantabile: Nocturne No. 2, Op. 15
- Artist
- Frédéric Chopin
- CopyrightID (CopyrightChains transaction hash)
0x8360e31aed4eab1767f403c12195d19a00da7b8e4bfe6810f77aa65769b1adfb
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-06T07:53:57+00:00
- Bitcoin block
- 956894
- Canonical record hash
sha256:2fc7bad692c4a50c12f0775f86ba162f055680a9f9e8767cfff358257c229055- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ149220050
- Bitcoin block existence check
- https://blockstream.info/api/block/956894
Full record
Track page: Nocturne No. 4 in F Major, Op. 15 No. 1. Andante cantabile: Nocturne No. 2, Op. 15 · Machine-readable JSON-LD