ISRC ITD542301928
Verified recording
ITD542301928 is “Sonata for Piano and Violin in A Major, K. 305: II. Tema con variazioni. Andante grazioso” by Wolfgang Amadeus Mozart,
registered on the CopyrightChains blockchain with CopyrightID
0x132ea938a97c72e55bfb02aacc4940acf4f8c4dd7abe71250899391dc5ed8be2 and independently timestamped
in Bitcoin block 953520 on 2026-06-13.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ITD542301928.
Recording identifiers
- ISRC
- ITD542301928
- Title
- Sonata for Piano and Violin in A Major, K. 305: II. Tema con variazioni. Andante grazioso
- Artist
- Wolfgang Amadeus Mozart
- CopyrightID (CopyrightChains transaction hash)
0x132ea938a97c72e55bfb02aacc4940acf4f8c4dd7abe71250899391dc5ed8be2
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-06-13T13:32:09+00:00
- Bitcoin block
- 953520
- Canonical record hash
sha256:24a10cb9ad3bc3cc6a4eab70ee341eb28f0c588688ae3187e7f198e53ff4b38f- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ITD542301928
- Bitcoin block existence check
- https://blockstream.info/api/block/953520
Full record
Track page: Sonata for Piano and Violin in A Major, K. 305: II. Tema con variazioni. Andante grazioso · Machine-readable JSON-LD