ISRC FRZ132119050
Verified recording
FRZ132119050 is “Sinfonia concertante for Violin, Viola and Cello (fragment) in A Major, K320e Anh 104 - Completed by Robert Levin” by Wolfgang Amadeus Mozart,
registered on the CopyrightChains blockchain with CopyrightID
0x7cad0baf6875aecfbc7fd8deea6febea0f12461c90a98d8ada75178bed8ddb77 and independently timestamped
in Bitcoin block 957118 on 2026-07-08.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ132119050.
Recording identifiers
- ISRC
- FRZ132119050
- Title
- Sinfonia concertante for Violin, Viola and Cello (fragment) in A Major, K320e Anh 104 - Completed by Robert Levin
- Artist
- Wolfgang Amadeus Mozart
- CopyrightID (CopyrightChains transaction hash)
0x7cad0baf6875aecfbc7fd8deea6febea0f12461c90a98d8ada75178bed8ddb77
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:1cca2e567ca431a40eef14be9b585f6d570beec0649665e36561c3ff99c735cc- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ132119050
- Bitcoin block existence check
- https://blockstream.info/api/block/957118
Full record
Track page: Sinfonia concertante for Violin, Viola and Cello (fragment) in A Major, K320e Anh 104 - Completed by Robert Levin · Machine-readable JSON-LD