ISRC USSM11902791

Verified recording

USSM11902791 is “Piano Sonata No. 2 in B-Flat Minor, Op. 36: I. Allegro agitato” by Sergei Rachmaninoff, registered on the CopyrightChains blockchain with CopyrightID 0x9fa2acfe9c0cd7878744e3bd959bb890d8914c1e3ce098f2720c70df81b86fff and independently timestamped in Bitcoin block 960160 on 2026-07-29. Verify the canonical record, hash, and Bitcoin attestation at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM11902791.

Recording identifiers

ISRC
USSM11902791
Title
Piano Sonata No. 2 in B-Flat Minor, Op. 36: I. Allegro agitato
Artist
Sergei Rachmaninoff
CopyrightID (CopyrightChains transaction hash)
0x9fa2acfe9c0cd7878744e3bd959bb890d8914c1e3ce098f2720c70df81b86fff

Dual-chain proof evidence

Bitcoin-attested timestamp
2026-07-29T22:48:59+00:00
Bitcoin block
960160
Canonical record hash
sha256:1b7baf3ed4d60fdbd1ba1dd7c3d8e8464aaed53fb9af53b8f61edbe4515c5bcc
Verification API (6-check server-side result)
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM11902791
Bitcoin block existence check
https://blockstream.info/api/block/960160

Full record

Track page: Piano Sonata No. 2 in B-Flat Minor, Op. 36: I. Allegro agitato · Machine-readable JSON-LD