ISRC USSM11902394
Verified recording
USSM11902394 is “Piano Sonata No. 13 in E-Flat Major, Op. 27, No. 1, "Quasi una fantasia": I. Andante - Allegro” by Ludwig van Beethoven,
registered on the CopyrightChains blockchain with CopyrightID
0x3c3c2947d89b97c45aebe42baad837ecacd558cba52ddeedccb7fdf66d7d073c and independently timestamped
in Bitcoin block 956304 on 2026-07-02.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM11902394.
Recording identifiers
- ISRC
- USSM11902394
- Title
- Piano Sonata No. 13 in E-Flat Major, Op. 27, No. 1, "Quasi una fantasia": I. Andante - Allegro
- Artist
- Ludwig van Beethoven
- CopyrightID (CopyrightChains transaction hash)
0x3c3c2947d89b97c45aebe42baad837ecacd558cba52ddeedccb7fdf66d7d073c
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T03:55:08+00:00
- Bitcoin block
- 956304
- Canonical record hash
sha256:670593077cc89f6bb15dbfe37de427f441d059a1d182824e3895cf121c1b10f4- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM11902394
- Bitcoin block existence check
- https://blockstream.info/api/block/956304
Full record
Track page: Piano Sonata No. 13 in E-Flat Major, Op. 27, No. 1, "Quasi una fantasia": I. Andante - Allegro · Machine-readable JSON-LD