ISRC USKO11300650

Verified recording

USKO11300650 is “La Cetra: Concerto No. 2 in A Major, RV345: i. Allegro” by Vivaldi, registered on the CopyrightChains blockchain with CopyrightID 0x644e804bc576a78ebedff036585ab768140603608fe28e3e26a5c610c8158284 and independently timestamped in Bitcoin block 957118 on 2026-07-08. Verify the canonical record, hash, and Bitcoin attestation at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USKO11300650.

Recording identifiers

ISRC
USKO11300650
Title
La Cetra: Concerto No. 2 in A Major, RV345: i. Allegro
Artist
Vivaldi
CopyrightID (CopyrightChains transaction hash)
0x644e804bc576a78ebedff036585ab768140603608fe28e3e26a5c610c8158284

Dual-chain proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19+00:00
Bitcoin block
957118
Canonical record hash
sha256:1cac34cc40c6229a827c58efa3b2ee8f909edfe647412cef4317113cd6ca565b
Verification API (6-check server-side result)
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USKO11300650
Bitcoin block existence check
https://blockstream.info/api/block/957118

Full record

Track page: La Cetra: Concerto No. 2 in A Major, RV345: i. Allegro · Machine-readable JSON-LD