ISRC USBC18800323
Verified recording
USBC18800323 is “Concerto for Recorder, Strings and Basso continuo in C Minor, RV 441: II. Largo” by Antonio Vivaldi,
registered on the CopyrightChains blockchain with CopyrightID
0x272bcdc3775d39a7dd8e48fc87b0e84c6f54e4386db095d8c59505522a33a042 and independently timestamped
in Bitcoin block 960334 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USBC18800323.
Recording identifiers
- ISRC
- USBC18800323
- Title
- Concerto for Recorder, Strings and Basso continuo in C Minor, RV 441: II. Largo
- Artist
- Antonio Vivaldi
- CopyrightID (CopyrightChains transaction hash)
0x272bcdc3775d39a7dd8e48fc87b0e84c6f54e4386db095d8c59505522a33a042
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T02:19:15+00:00
- Bitcoin block
- 960334
- Canonical record hash
sha256:d31530f73c86e3f541a7c87ecfe7103242ffa68475a8baadf8b175d6be6360f8- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USBC18800323
- Bitcoin block existence check
- https://blockstream.info/api/block/960334
Full record
Track page: Concerto for Recorder, Strings and Basso continuo in C Minor, RV 441: II. Largo · Machine-readable JSON-LD