ISRC USKO11300645
Verified recording
USKO11300645 is “Concerto for Viola d'Amore and Lute in D Minor, RV540: ii. Largo” by Vivaldi,
registered on the CopyrightChains blockchain with CopyrightID
0x6fec1ca4ed21e52347644602f7d591b1e9d793d335ea9819a7236a035bb8b037 and independently timestamped
in Bitcoin block 960276 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USKO11300645.
Recording identifiers
- ISRC
- USKO11300645
- Title
- Concerto for Viola d'Amore and Lute in D Minor, RV540: ii. Largo
- Artist
- Vivaldi
- CopyrightID (CopyrightChains transaction hash)
0x6fec1ca4ed21e52347644602f7d591b1e9d793d335ea9819a7236a035bb8b037
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T16:01:17+00:00
- Bitcoin block
- 960276
- Canonical record hash
sha256:db20537167fb8debe831d8b0f22e9799c8e3692d60b8ecd072ef5dfa11994d21- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USKO11300645
- Bitcoin block existence check
- https://blockstream.info/api/block/960276
Full record
Track page: Concerto for Viola d'Amore and Lute in D Minor, RV540: ii. Largo · Machine-readable JSON-LD