ISRC DES380020202
Verified recording
DES380020202 is “Quintet for Clarinet, Two Violins, Viola and Violoncello in A Major, K. 581: II. Larghetto” by Wolfgang Amadeus Mozart,
registered on the CopyrightChains blockchain with CopyrightID
0xd93d09bdb4be88d46492193d18d85e22e9cf512a9e16311f873a678e02dc6375 and independently timestamped
in Bitcoin block 960427 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DES380020202.
Recording identifiers
- ISRC
- DES380020202
- Title
- Quintet for Clarinet, Two Violins, Viola and Violoncello in A Major, K. 581: II. Larghetto
- Artist
- Wolfgang Amadeus Mozart
- CopyrightID (CopyrightChains transaction hash)
0xd93d09bdb4be88d46492193d18d85e22e9cf512a9e16311f873a678e02dc6375
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T15:59:18+00:00
- Bitcoin block
- 960427
- Canonical record hash
sha256:e40f7825668f556526cb55d4b1bf88c00354faee31699138dcd4ccb90a32bbf6- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DES380020202
- Bitcoin block existence check
- https://blockstream.info/api/block/960427
Full record
Track page: Quintet for Clarinet, Two Violins, Viola and Violoncello in A Major, K. 581: II. Larghetto · Machine-readable JSON-LD