ISRC USSM11902792
Verified recording
USSM11902792 is “Piano Sonata No. 2 in B-Flat Minor, Op. 36: II. Non allegro - Lento” by Sergei Rachmaninoff,
registered on the CopyrightChains blockchain with CopyrightID
0xc9267293f516e47133ce00e711af90d6119e564d7d27b4527c8cc9fda121934f and independently timestamped
in Bitcoin block 960300 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM11902792.
Recording identifiers
- ISRC
- USSM11902792
- Title
- Piano Sonata No. 2 in B-Flat Minor, Op. 36: II. Non allegro - Lento
- Artist
- Sergei Rachmaninoff
- CopyrightID (CopyrightChains transaction hash)
0xc9267293f516e47133ce00e711af90d6119e564d7d27b4527c8cc9fda121934f
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T19:42:40+00:00
- Bitcoin block
- 960300
- Canonical record hash
sha256:394090e77d9586ec127be9f94cc4b5c9c8bb10c2794631fc9920b616111bd09d- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM11902792
- Bitcoin block existence check
- https://blockstream.info/api/block/960300
Full record
Track page: Piano Sonata No. 2 in B-Flat Minor, Op. 36: II. Non allegro - Lento · Machine-readable JSON-LD