ISRC USBC18800338
Verified recording
USBC18800338 is “Concerto for Flautino, Strings and Basso continuo in C Major, RV 443: II. Largo” by Antonio Vivaldi,
registered on the CopyrightChains blockchain with CopyrightID
0xadfb5f59a230dc12ee0631b675bb68f66800abf1df7d7daa3a55c9dc093c85c0 and independently timestamped
in Bitcoin block 957055 on 2026-07-07.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USBC18800338.
Recording identifiers
- ISRC
- USBC18800338
- Title
- Concerto for Flautino, Strings and Basso continuo in C Major, RV 443: II. Largo
- Artist
- Antonio Vivaldi
- CopyrightID (CopyrightChains transaction hash)
0xadfb5f59a230dc12ee0631b675bb68f66800abf1df7d7daa3a55c9dc093c85c0
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-07T15:12:44+00:00
- Bitcoin block
- 957055
- Canonical record hash
sha256:70b89fa5ca31438204a4af8470452fda75abc3f850fcb2be02aec596696c1840- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USBC18800338
- Bitcoin block existence check
- https://blockstream.info/api/block/957055
Full record
Track page: Concerto for Flautino, Strings and Basso continuo in C Major, RV 443: II. Largo · Machine-readable JSON-LD