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