ISRC FR1P70701960
Verified recording
FR1P70701960 is “Quintet for Clarinet, 2 Violins, Viola and Cello in A Major, K581: II. Larghetto” by Wolfgang Amadeus Mozart,
registered on the CopyrightChains blockchain with CopyrightID
0x23b019b1e89edb9e25fc85d484d9e9938b13aa4ef404ded6314004ad7744e59e and independently timestamped
in Bitcoin block 957120 on 2026-07-08.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR1P70701960.
Recording identifiers
- ISRC
- FR1P70701960
- Title
- Quintet for Clarinet, 2 Violins, Viola and Cello in A Major, K581: II. Larghetto
- Artist
- Wolfgang Amadeus Mozart
- CopyrightID (CopyrightChains transaction hash)
0x23b019b1e89edb9e25fc85d484d9e9938b13aa4ef404ded6314004ad7744e59e
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:22:41+00:00
- Bitcoin block
- 957120
- Canonical record hash
sha256:ec50ebe1ad1af331489125b0661b75e857d999de51770fdca3ea27a7042acace- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR1P70701960
- Bitcoin block existence check
- https://blockstream.info/api/block/957120
Full record
Track page: Quintet for Clarinet, 2 Violins, Viola and Cello in A Major, K581: II. Larghetto · Machine-readable JSON-LD