ISRC USBC19000478
Verified recording
USBC19000478 is “Duo for Violin & Viola in G Major, K. 423: I. Allegro” by Wolfgang Amadeus Mozart,
registered on the CopyrightChains blockchain with CopyrightID
0xcb2231e89c75be094e452898e3dcf4ceaeb3453c8ce786850febfc1ab77602be 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/USBC19000478.
Recording identifiers
- ISRC
- USBC19000478
- Title
- Duo for Violin & Viola in G Major, K. 423: I. Allegro
- Artist
- Wolfgang Amadeus Mozart
- CopyrightID (CopyrightChains transaction hash)
0xcb2231e89c75be094e452898e3dcf4ceaeb3453c8ce786850febfc1ab77602be
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T03:55:08+00:00
- Bitcoin block
- 956304
- Canonical record hash
sha256:7094b28d328bb9ab9e0df81fb9cc17ddb65e2bcd3a1319ec8e1fd2f161d711fd- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USBC19000478
- Bitcoin block existence check
- https://blockstream.info/api/block/956304
Full record
Track page: Duo for Violin & Viola in G Major, K. 423: I. Allegro · Machine-readable JSON-LD