ISRC DEF057401181
Verified recording
DEF057401181 is “Sonata For Piano Duet In B Flat, K. 358: 1. Allegro” by Wolfgang Amadeus Mozart,
registered on the CopyrightChains blockchain with CopyrightID
0x4c7c522bf96320f4384461c5f24394c3d0f66a5f890f17adf9f536eba8b43bef 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/DEF057401181.
Recording identifiers
- ISRC
- DEF057401181
- Title
- Sonata For Piano Duet In B Flat, K. 358: 1. Allegro
- Artist
- Wolfgang Amadeus Mozart
- CopyrightID (CopyrightChains transaction hash)
0x4c7c522bf96320f4384461c5f24394c3d0f66a5f890f17adf9f536eba8b43bef
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T03:55:08+00:00
- Bitcoin block
- 956304
- Canonical record hash
sha256:82094d6daf9e0541acbe54ead9375dee4f777b5ca207790eb014aaf9d373420a- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF057401181
- Bitcoin block existence check
- https://blockstream.info/api/block/956304
Full record
Track page: Sonata For Piano Duet In B Flat, K. 358: 1. Allegro · Machine-readable JSON-LD