ISRC USSM11902793
Verified recording
USSM11902793 is “Piano Sonata No. 2 in B-Flat Minor, Op. 36: III. Allegro molto” by Sergei Rachmaninoff,
registered on the CopyrightChains blockchain with CopyrightID
0x13b79f871bedd2ec053d1e7145f1cf02fec337c99f03d3357ea2e37317467cdf and independently timestamped
in Bitcoin block 960344 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM11902793.
Recording identifiers
- ISRC
- USSM11902793
- Title
- Piano Sonata No. 2 in B-Flat Minor, Op. 36: III. Allegro molto
- Artist
- Sergei Rachmaninoff
- CopyrightID (CopyrightChains transaction hash)
0x13b79f871bedd2ec053d1e7145f1cf02fec337c99f03d3357ea2e37317467cdf
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T04:14:58+00:00
- Bitcoin block
- 960344
- Canonical record hash
sha256:72a74bb2c3caaae03db24f08401a0880de215bdf50b7122b191a1167252eb005- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM11902793
- Bitcoin block existence check
- https://blockstream.info/api/block/960344
Full record
Track page: Piano Sonata No. 2 in B-Flat Minor, Op. 36: III. Allegro molto · Machine-readable JSON-LD