ISRC FRZ112200195
Verified recording
FRZ112200195 is “Chopin / Arr. de Stefano: Nocturne No. 21 in C Minor, Op. Posth.” by Frédéric Chopin,
registered on the CopyrightChains blockchain with CopyrightID
0x302322c9721883d3313f42085f0e76c47260cfaa944014cccc386632e0a5c843 and independently timestamped
in Bitcoin block 957118 on 2026-07-08.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ112200195.
Recording identifiers
- ISRC
- FRZ112200195
- Title
- Chopin / Arr. de Stefano: Nocturne No. 21 in C Minor, Op. Posth.
- Artist
- Frédéric Chopin
- CopyrightID (CopyrightChains transaction hash)
0x302322c9721883d3313f42085f0e76c47260cfaa944014cccc386632e0a5c843
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:15f18704ee62ed6e8fc19c00289e7d74ce86941bee3f0e342e47515440ab30bb- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ112200195
- Bitcoin block existence check
- https://blockstream.info/api/block/957118
Full record
Track page: Chopin / Arr. de Stefano: Nocturne No. 21 in C Minor, Op. Posth. · Machine-readable JSON-LD