ISRC USSM11902387
Verified recording
USSM11902387 is “Piano Sonata No. 11 in B-Flat Major, Op. 22: IV. Rondo. Allegretto” by Ludwig van Beethoven,
registered on the CopyrightChains blockchain with CopyrightID
0x872ffcd688a1acf2a222ac07ea17757843cde4434520ce8c2463810445de9ada and independently timestamped
in Bitcoin block 956302 on 2026-07-02.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM11902387.
Recording identifiers
- ISRC
- USSM11902387
- Title
- Piano Sonata No. 11 in B-Flat Major, Op. 22: IV. Rondo. Allegretto
- Artist
- Ludwig van Beethoven
- CopyrightID (CopyrightChains transaction hash)
0x872ffcd688a1acf2a222ac07ea17757843cde4434520ce8c2463810445de9ada
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T03:30:09+00:00
- Bitcoin block
- 956302
- Canonical record hash
sha256:6376c9b6a594d03b54ed1831186a484aaf323b3bc9cad432e96a32394a60ff43- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM11902387
- Bitcoin block existence check
- https://blockstream.info/api/block/956302
Full record
Track page: Piano Sonata No. 11 in B-Flat Major, Op. 22: IV. Rondo. Allegretto · Machine-readable JSON-LD