ISRC FRZ149220090
Verified recording
FRZ149220090 is “Nocturnes, Op. 32: I. Andante sostenuto en Si Majeur” by Frédéric Chopin,
registered on the CopyrightChains blockchain with CopyrightID
0x8080fb2f99e2bbc653fb06d675b0d56b71f1257366fb45f7fa64fde8f67a0393 and independently timestamped
in Bitcoin block 956889 on 2026-07-06.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ149220090.
Recording identifiers
- ISRC
- FRZ149220090
- Title
- Nocturnes, Op. 32: I. Andante sostenuto en Si Majeur
- Artist
- Frédéric Chopin
- CopyrightID (CopyrightChains transaction hash)
0x8080fb2f99e2bbc653fb06d675b0d56b71f1257366fb45f7fa64fde8f67a0393
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-06T06:56:49+00:00
- Bitcoin block
- 956889
- Canonical record hash
sha256:2fa228390c23ba79aeb48288bf3c03a3831eb7efd37c60e91170569e6479ee51- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ149220090
- Bitcoin block existence check
- https://blockstream.info/api/block/956889
Full record
Track page: Nocturnes, Op. 32: I. Andante sostenuto en Si Majeur · Machine-readable JSON-LD