ISRC DEF057401161
Verified recording
DEF057401161 is “Sonata For Piano Duet In C, K. 19d: 1. (Allegro)” by Wolfgang Amadeus Mozart,
registered on the CopyrightChains blockchain with CopyrightID
0x746e83484d91cc62fb6c89a1ef981307ac60ec5ce07d1e96cf76f542e6bb954e 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/DEF057401161.
Recording identifiers
- ISRC
- DEF057401161
- Title
- Sonata For Piano Duet In C, K. 19d: 1. (Allegro)
- Artist
- Wolfgang Amadeus Mozart
- CopyrightID (CopyrightChains transaction hash)
0x746e83484d91cc62fb6c89a1ef981307ac60ec5ce07d1e96cf76f542e6bb954e
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T03:30:09+00:00
- Bitcoin block
- 956302
- Canonical record hash
sha256:1a3daf7c0c9696de5e4bf1b7480cc2de4265da47ff18e8d3e5012ab2ad4f9bd3- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF057401161
- Bitcoin block existence check
- https://blockstream.info/api/block/956302
Full record
Track page: Sonata For Piano Duet In C, K. 19d: 1. (Allegro) · Machine-readable JSON-LD