ISRC USBC18800326
Verified recording
USBC18800326 is “Concerto for Flautino, Strings and Basso continuo in C Major, RV 444: II. Largo” by Antonio Vivaldi,
registered on the CopyrightChains blockchain with CopyrightID
0x0c9b5a8cd1afc10cf002cedfb476e74bbf499f1971bbd2d4a6b0c2317a778f18 and independently timestamped
in Bitcoin block 960376 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USBC18800326.
Recording identifiers
- ISRC
- USBC18800326
- Title
- Concerto for Flautino, Strings and Basso continuo in C Major, RV 444: II. Largo
- Artist
- Antonio Vivaldi
- CopyrightID (CopyrightChains transaction hash)
0x0c9b5a8cd1afc10cf002cedfb476e74bbf499f1971bbd2d4a6b0c2317a778f18
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T09:09:19+00:00
- Bitcoin block
- 960376
- Canonical record hash
sha256:5d5e121c53cfa1a1438f4d0bc652cc951e753fee2e210d7049d3b9b25d52b5d6- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USBC18800326
- Bitcoin block existence check
- https://blockstream.info/api/block/960376
Full record
Track page: Concerto for Flautino, Strings and Basso continuo in C Major, RV 444: II. Largo · Machine-readable JSON-LD