ISRC USBC14700231
Verified recording
USBC14700231 is “Sonata for Piano and Violin No. 1 in D Major, Op. 12 No. 1: Variation II” by Ludwig van Beethoven,
registered on the CopyrightChains blockchain with CopyrightID
0xda7ad27e1e25cf105cfed2a31f8c97de7e732f850af19fd643976df47a984b56 and independently timestamped
in Bitcoin block 960360 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USBC14700231.
Recording identifiers
- ISRC
- USBC14700231
- Title
- Sonata for Piano and Violin No. 1 in D Major, Op. 12 No. 1: Variation II
- Artist
- Ludwig van Beethoven
- CopyrightID (CopyrightChains transaction hash)
0xda7ad27e1e25cf105cfed2a31f8c97de7e732f850af19fd643976df47a984b56
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T06:42:11+00:00
- Bitcoin block
- 960360
- Canonical record hash
sha256:3a3959096a1ae37d13e1aaa6c437ec45d2a2b506b02ccf4f1c94a85ba0ebfcf8- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USBC14700231
- Bitcoin block existence check
- https://blockstream.info/api/block/960360
Full record
Track page: Sonata for Piano and Violin No. 1 in D Major, Op. 12 No. 1: Variation II · Machine-readable JSON-LD