ISRC USB8U1035379
Verified recording
USB8U1035379 is “Sonata for 2 Pianos in D Major, K. 448: I. Allegro con spirito” by Wolfgang Amadeus Mozart,
registered on the CopyrightChains blockchain with CopyrightID
0x2764e2016960e4173a3aace4d6cbe39f69ea8c053d03f14bc1a899d17e6c5232 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/USB8U1035379.
Recording identifiers
- ISRC
- USB8U1035379
- Title
- Sonata for 2 Pianos in D Major, K. 448: I. Allegro con spirito
- Artist
- Wolfgang Amadeus Mozart
- CopyrightID (CopyrightChains transaction hash)
0x2764e2016960e4173a3aace4d6cbe39f69ea8c053d03f14bc1a899d17e6c5232
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T03:30:09+00:00
- Bitcoin block
- 956302
- Canonical record hash
sha256:da1535a25ea4784501bf70b803f75c8ef9d04966c0d0fb0e0d56ae5f0ca2149f- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USB8U1035379
- Bitcoin block existence check
- https://blockstream.info/api/block/956302
Full record
Track page: Sonata for 2 Pianos in D Major, K. 448: I. Allegro con spirito · Machine-readable JSON-LD