ISRC DEN960801491
Verified recording
DEN960801491 is “Piano Sonata No. 3 in B Minor, Op. 58: I. Allegro maestoso” by Frédéric Chopin,
registered on the CopyrightChains blockchain with CopyrightID
0x86c57db211cf79c37cd5a28ab3257f122f5c5aca53a27fa551009de6acb336a6 and independently timestamped
in Bitcoin block 960459 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN960801491.
Recording identifiers
- ISRC
- DEN960801491
- Title
- Piano Sonata No. 3 in B Minor, Op. 58: I. Allegro maestoso
- Artist
- Frédéric Chopin
- CopyrightID (CopyrightChains transaction hash)
0x86c57db211cf79c37cd5a28ab3257f122f5c5aca53a27fa551009de6acb336a6
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T20:22:46+00:00
- Bitcoin block
- 960459
- Canonical record hash
sha256:65c8365884dcb4876cc8ef75c330f6e068e827cec932ae3ad9a374a5373a739d- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN960801491
- Bitcoin block existence check
- https://blockstream.info/api/block/960459
Full record
Track page: Piano Sonata No. 3 in B Minor, Op. 58: I. Allegro maestoso · Machine-readable JSON-LD