ISRC DEF056702704
Verified recording
DEF056702704 is “Piano Sonata No. 11 in A Major, K. 331: I. Tema (only)” by Wolfgang Amadeus Mozart,
registered on the CopyrightChains blockchain with CopyrightID
0xbb25678fbab036f0af2dcd32aca165d7531e905db0cefc1f5686811c2b647a12 and independently timestamped
in Bitcoin block 960291 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF056702704.
Recording identifiers
- ISRC
- DEF056702704
- Title
- Piano Sonata No. 11 in A Major, K. 331: I. Tema (only)
- Artist
- Wolfgang Amadeus Mozart
- CopyrightID (CopyrightChains transaction hash)
0xbb25678fbab036f0af2dcd32aca165d7531e905db0cefc1f5686811c2b647a12
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T18:23:33+00:00
- Bitcoin block
- 960291
- Canonical record hash
sha256:7b01d78bae8bc7329263612715b353aeb390425aedea9daeb18436213a42cef8- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF056702704
- Bitcoin block existence check
- https://blockstream.info/api/block/960291
Full record
Track page: Piano Sonata No. 11 in A Major, K. 331: I. Tema (only) · Machine-readable JSON-LD