ISRC DEF059205071
Verified recording
DEF059205071 is “Piano Sonata No. 11 in A Major, K. 331: 1. Tema (Andante grazioso) con variazioni” by Wolfgang Amadeus Mozart,
registered on the CopyrightChains blockchain with CopyrightID
0x16e0397d13c24cdcf7aeb92b61562a63ec5015acc7ba7f14eccc52f3f9fab778 and independently timestamped
in Bitcoin block 960220 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF059205071.
Recording identifiers
- ISRC
- DEF059205071
- Title
- Piano Sonata No. 11 in A Major, K. 331: 1. Tema (Andante grazioso) con variazioni
- Artist
- Wolfgang Amadeus Mozart
- CopyrightID (CopyrightChains transaction hash)
0x16e0397d13c24cdcf7aeb92b61562a63ec5015acc7ba7f14eccc52f3f9fab778
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T07:28:30+00:00
- Bitcoin block
- 960220
- Canonical record hash
sha256:92d75b235a4841ee229b430269da7b45d5851239effc77bfa6013def86bd515e- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF059205071
- Bitcoin block existence check
- https://blockstream.info/api/block/960220
Full record
Track page: Piano Sonata No. 11 in A Major, K. 331: 1. Tema (Andante grazioso) con variazioni · Machine-readable JSON-LD