ISRC FR46Y2255903

Verified recording

FR46Y2255903 is “Sonata No. 1 for Solo Cello, Op. 72: III. Allegro” by Mieczysław Weinberg, registered on the CopyrightChains blockchain with CopyrightID 0x8ccfc7eaa5dcbff7b7bfdd5e9c1bfdb0351a35e663a72637dfb1414fc5641848 and independently timestamped in Bitcoin block 957118 on 2026-07-08. Verify the canonical record, hash, and Bitcoin attestation at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR46Y2255903.

Recording identifiers

ISRC
FR46Y2255903
Title
Sonata No. 1 for Solo Cello, Op. 72: III. Allegro
Artist
Mieczysław Weinberg
CopyrightID (CopyrightChains transaction hash)
0x8ccfc7eaa5dcbff7b7bfdd5e9c1bfdb0351a35e663a72637dfb1414fc5641848

Dual-chain proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19+00:00
Bitcoin block
957118
Canonical record hash
sha256:9fe5384082beaa666014fed094ff114cd7fa30c233dd67366f002faaedefe77d
Verification API (6-check server-side result)
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR46Y2255903
Bitcoin block existence check
https://blockstream.info/api/block/957118

Full record

Track page: Sonata No. 1 for Solo Cello, Op. 72: III. Allegro · Machine-readable JSON-LD