ISRC USSM11902389
Verified recording
USSM11902389 is “Piano Sonata No. 12 in A-Flat Major, Op. 26: I. Andante con variazioni” by Ludwig van Beethoven,
registered on the CopyrightChains blockchain with CopyrightID
0x91cb17abbf9ce4e4d5dfa3993da6cc62d1ce3f7176e633dc3cf35bd31b4f0f57 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/USSM11902389.
Recording identifiers
- ISRC
- USSM11902389
- Title
- Piano Sonata No. 12 in A-Flat Major, Op. 26: I. Andante con variazioni
- Artist
- Ludwig van Beethoven
- CopyrightID (CopyrightChains transaction hash)
0x91cb17abbf9ce4e4d5dfa3993da6cc62d1ce3f7176e633dc3cf35bd31b4f0f57
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T03:30:09+00:00
- Bitcoin block
- 956302
- Canonical record hash
sha256:3a1b776ac738848e103f11dfdb2d964e79365af150b0148a307d14943710bc06- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM11902389
- Bitcoin block existence check
- https://blockstream.info/api/block/956302
Full record
Track page: Piano Sonata No. 12 in A-Flat Major, Op. 26: I. Andante con variazioni · Machine-readable JSON-LD