ISRC USSM11902314
Verified recording
USSM11902314 is “Piano Sonata No. 2 in A Major, Op. 2, No. 2: II. Largo appassionato” by Ludwig van Beethoven,
registered on the CopyrightChains blockchain with CopyrightID
0x04c28d98cb6812f7adfe7fdfd8e5dd8d48a465e2a42f21e2f81b4acc38dd7884 and independently timestamped
in Bitcoin block 953520 on 2026-06-13.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM11902314.
Recording identifiers
- ISRC
- USSM11902314
- Title
- Piano Sonata No. 2 in A Major, Op. 2, No. 2: II. Largo appassionato
- Artist
- Ludwig van Beethoven
- CopyrightID (CopyrightChains transaction hash)
0x04c28d98cb6812f7adfe7fdfd8e5dd8d48a465e2a42f21e2f81b4acc38dd7884
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-06-13T13:32:09+00:00
- Bitcoin block
- 953520
- Canonical record hash
sha256:106aaeb8bd28f15896595232e13def1adbac39c9f0b7532e4f8adb711b6aa91e- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM11902314
- Bitcoin block existence check
- https://blockstream.info/api/block/953520
Full record
Track page: Piano Sonata No. 2 in A Major, Op. 2, No. 2: II. Largo appassionato · Machine-readable JSON-LD