ISRC DEF057401172
Verified recording
DEF057401172 is “Sonata For Piano Duet In D, K. 381: 2. Andante” by Wolfgang Amadeus Mozart,
registered on the CopyrightChains blockchain with CopyrightID
0x0d58b68db48107ff592995ceefe91778d29af92f11f16a7b4b8ff4818543563f 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/DEF057401172.
Recording identifiers
- ISRC
- DEF057401172
- Title
- Sonata For Piano Duet In D, K. 381: 2. Andante
- Artist
- Wolfgang Amadeus Mozart
- CopyrightID (CopyrightChains transaction hash)
0x0d58b68db48107ff592995ceefe91778d29af92f11f16a7b4b8ff4818543563f
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T03:30:09+00:00
- Bitcoin block
- 956302
- Canonical record hash
sha256:4afa8b41acc01062a4ec176e68d76ddb658052217e342acbff92afc56fb31369- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF057401172
- Bitcoin block existence check
- https://blockstream.info/api/block/956302
Full record
Track page: Sonata For Piano Duet In D, K. 381: 2. Andante · Machine-readable JSON-LD