ISRC FRZ209908214
Verified recording
FRZ209908214 is “Chopin: 12 Études, Op. 25: No. 2 in F Minor” by Frédéric Chopin,
registered on the CopyrightChains blockchain with CopyrightID
0x7a98cbe689211ce150c45249f3bdfb87518fdf5f2908f427d6f366459ed9ff44 and independently timestamped
in Bitcoin block 959159 on 2026-07-22.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ209908214.
Recording identifiers
- ISRC
- FRZ209908214
- Title
- Chopin: 12 Études, Op. 25: No. 2 in F Minor
- Artist
- Frédéric Chopin
- CopyrightID (CopyrightChains transaction hash)
0x7a98cbe689211ce150c45249f3bdfb87518fdf5f2908f427d6f366459ed9ff44
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-22T17:48:40+00:00
- Bitcoin block
- 959159
- Canonical record hash
sha256:5552e0991c00c4d0f0fa80f62ddd702a97e2e918521f88c599263f73eb648943- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ209908214
- Bitcoin block existence check
- https://blockstream.info/api/block/959159
Full record
Track page: Chopin: 12 Études, Op. 25: No. 2 in F Minor · Machine-readable JSON-LD