ISRC DEF059204902
Verified recording
DEF059204902 is “Piano Concerto No. 2 in F Minor, Op. 21: I. Maestoso” by Frédéric Chopin,
registered on the CopyrightChains blockchain with CopyrightID
0x65fd7b7abc70742e1640df11b6face989911120ab6bba7c2d26ef4ebe7cd863e and independently timestamped
in Bitcoin block 960334 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF059204902.
Recording identifiers
- ISRC
- DEF059204902
- Title
- Piano Concerto No. 2 in F Minor, Op. 21: I. Maestoso
- Artist
- Frédéric Chopin
- CopyrightID (CopyrightChains transaction hash)
0x65fd7b7abc70742e1640df11b6face989911120ab6bba7c2d26ef4ebe7cd863e
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T02:19:15+00:00
- Bitcoin block
- 960334
- Canonical record hash
sha256:474301a65923f2b2ae5c25d326ffa9f09c9adffde7770fe2753b4e9657d07e70- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF059204902
- Bitcoin block existence check
- https://blockstream.info/api/block/960334
Full record
Track page: Piano Concerto No. 2 in F Minor, Op. 21: I. Maestoso · Machine-readable JSON-LD