ISRC FRZ110801558
Verified recording
FRZ110801558 is “Chopin: Nocturne No. 2 in E-Flat Major, Op. 9 No. 2” by Frédéric Chopin,
registered on the CopyrightChains blockchain with CopyrightID
0x6787a02e3077da7fd3a35fc7372bd7e56f5f68bc7437426574f917d6cc8b43d0 and independently timestamped
in Bitcoin block 960430 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ110801558.
Recording identifiers
- ISRC
- FRZ110801558
- Title
- Chopin: Nocturne No. 2 in E-Flat Major, Op. 9 No. 2
- Artist
- Frédéric Chopin
- CopyrightID (CopyrightChains transaction hash)
0x6787a02e3077da7fd3a35fc7372bd7e56f5f68bc7437426574f917d6cc8b43d0
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T16:09:41+00:00
- Bitcoin block
- 960430
- Canonical record hash
sha256:2517e217262cfb1cc8be3ab35a7108d2357e9fab6e69a018590467fe56feffa9- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ110801558
- Bitcoin block existence check
- https://blockstream.info/api/block/960430
Full record
Track page: Chopin: Nocturne No. 2 in E-Flat Major, Op. 9 No. 2 · Machine-readable JSON-LD