ISRC FR50X2411004

Verified recording

FR50X2411004 is “Sonata for Cello and Piano No. 1 (Arr. for Cello, Strings and Harpsichord by Martin Merker): III. Largo” by Alfred Schnittke, registered on the CopyrightChains blockchain with CopyrightID 0x566a5a07f55d2c47dfa3ae5f08fe00495a461df8b9e8297b8b500f7a4afbc6f2 and independently timestamped in Bitcoin block 956889 on 2026-07-06. Verify the canonical record, hash, and Bitcoin attestation at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR50X2411004.

Recording identifiers

ISRC
FR50X2411004
Title
Sonata for Cello and Piano No. 1 (Arr. for Cello, Strings and Harpsichord by Martin Merker): III. Largo
Artist
Alfred Schnittke
CopyrightID (CopyrightChains transaction hash)
0x566a5a07f55d2c47dfa3ae5f08fe00495a461df8b9e8297b8b500f7a4afbc6f2

Dual-chain proof evidence

Bitcoin-attested timestamp
2026-07-06T06:56:49+00:00
Bitcoin block
956889
Canonical record hash
sha256:24314f32be47464fa7506f355856677235f9f24d459f9145a17459561dbbf660
Verification API (6-check server-side result)
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR50X2411004
Bitcoin block existence check
https://blockstream.info/api/block/956889

Full record

Track page: Sonata for Cello and Piano No. 1 (Arr. for Cello, Strings and Harpsichord by Martin Merker): III. Largo · Machine-readable JSON-LD