ISRC FRZ131325010
Verified recording
FRZ131325010 is “Piano Concerto No. 2 in F Minor, Op. 21: I. Maestoso” by Frédéric Chopin,
registered on the CopyrightChains blockchain with CopyrightID
0xc967e167f0cb3defd824bc6ddba444e85f98a23dbbdcd18fade69bd07983f5cc and independently timestamped
in Bitcoin block 960236 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ131325010.
Recording identifiers
- ISRC
- FRZ131325010
- Title
- Piano Concerto No. 2 in F Minor, Op. 21: I. Maestoso
- Artist
- Frédéric Chopin
- CopyrightID (CopyrightChains transaction hash)
0xc967e167f0cb3defd824bc6ddba444e85f98a23dbbdcd18fade69bd07983f5cc
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T09:37:10+00:00
- Bitcoin block
- 960236
- Canonical record hash
sha256:4ed9e6780299d1f3a809472c2610033d03a0495c16f9afabf0bb50df3cc4c665- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ131325010
- Bitcoin block existence check
- https://blockstream.info/api/block/960236
Full record
Track page: Piano Concerto No. 2 in F Minor, Op. 21: I. Maestoso · Machine-readable JSON-LD