ISRC DEF057401163
Verified recording
DEF057401163 is “Sonata For Piano Duet In C, K. 19d: 3. Rondo (Allegretto)” by Wolfgang Amadeus Mozart,
registered on the CopyrightChains blockchain with CopyrightID
0x284c2f2d5b9f0113527be50c709b5981f7bebec0c19792e3fe5451d18c89389c 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/DEF057401163.
Recording identifiers
- ISRC
- DEF057401163
- Title
- Sonata For Piano Duet In C, K. 19d: 3. Rondo (Allegretto)
- Artist
- Wolfgang Amadeus Mozart
- CopyrightID (CopyrightChains transaction hash)
0x284c2f2d5b9f0113527be50c709b5981f7bebec0c19792e3fe5451d18c89389c
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T03:30:09+00:00
- Bitcoin block
- 956302
- Canonical record hash
sha256:eb39bd925940327b39a73f9f3f9eb77fc44963e71f5630d263d413dcda7a22d5- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF057401163
- Bitcoin block existence check
- https://blockstream.info/api/block/956302
Full record
Track page: Sonata For Piano Duet In C, K. 19d: 3. Rondo (Allegretto) · Machine-readable JSON-LD