ISRC USBC11100133

Verified recording

USBC11100133 is “Concerto in G Major, Op. 3, No. 3, RV 310: II. Largo, cantabile” by Antonio Vivaldi, registered on the CopyrightChains blockchain with CopyrightID 0x20dc68e7c395031105f53bb2412c2db6f09a82d64e9f8f2affd1e6bb0e033436 and independently timestamped in Bitcoin block 956304 on 2026-07-02. Verify the canonical record, hash, and Bitcoin attestation at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USBC11100133.

Recording identifiers

ISRC
USBC11100133
Title
Concerto in G Major, Op. 3, No. 3, RV 310: II. Largo, cantabile
Artist
Antonio Vivaldi
CopyrightID (CopyrightChains transaction hash)
0x20dc68e7c395031105f53bb2412c2db6f09a82d64e9f8f2affd1e6bb0e033436

Dual-chain proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08+00:00
Bitcoin block
956304
Canonical record hash
sha256:528afe97bbeae033cfe252636ca5bc1299d23708242c204461b1df02f8e7a0fc
Verification API (6-check server-side result)
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USBC11100133
Bitcoin block existence check
https://blockstream.info/api/block/956304

Full record

Track page: Concerto in G Major, Op. 3, No. 3, RV 310: II. Largo, cantabile · Machine-readable JSON-LD