ISRC FRZ131213060
Verified recording
FRZ131213060 is “Piano Sonata No. 2 in B-Flat Minor, Op. 36: III. Allegro molto” by Sergei Rachmaninoff,
registered on the CopyrightChains blockchain with CopyrightID
0x750d2a793c6ffc774dea40df2684930d1c76193587a2b5d988a4481b6a7f08a1 and independently timestamped
in Bitcoin block 956302 on 2026-07-02.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ131213060.
Recording identifiers
- ISRC
- FRZ131213060
- Title
- Piano Sonata No. 2 in B-Flat Minor, Op. 36: III. Allegro molto
- Artist
- Sergei Rachmaninoff
- CopyrightID (CopyrightChains transaction hash)
0x750d2a793c6ffc774dea40df2684930d1c76193587a2b5d988a4481b6a7f08a1
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T03:30:09+00:00
- Bitcoin block
- 956302
- Canonical record hash
sha256:3d1dcbd8d0c0c3312abfea072404d3ff480e21e8d79f895327ec4b2cde73d8a2- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ131213060
- Bitcoin block existence check
- https://blockstream.info/api/block/956302
Full record
Track page: Piano Sonata No. 2 in B-Flat Minor, Op. 36: III. Allegro molto · Machine-readable JSON-LD