ISRC USSJ10813015

Verified recording

USSJ10813015 is “Concerto No. 1 in E major, Op. 8, RV 269, "La primavera" (Spring): II. Largo” by Antonio Vivaldi, registered on the CopyrightChains blockchain with CopyrightID 0x3a9652b0dea058108884b3caf4b6301a23c98cb7df1d7b938fe608712844421a and independently timestamped in Bitcoin block 953520 on 2026-06-13. Verify the canonical record, hash, and Bitcoin attestation at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSJ10813015.

Recording identifiers

ISRC
USSJ10813015
Title
Concerto No. 1 in E major, Op. 8, RV 269, "La primavera" (Spring): II. Largo
Artist
Antonio Vivaldi
CopyrightID (CopyrightChains transaction hash)
0x3a9652b0dea058108884b3caf4b6301a23c98cb7df1d7b938fe608712844421a

Dual-chain proof evidence

Bitcoin-attested timestamp
2026-06-13T13:32:09+00:00
Bitcoin block
953520
Canonical record hash
sha256:779971bedbeadcb15c30dc4e066d365cd43b59447db231a4097d72a2797709d0
Verification API (6-check server-side result)
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSJ10813015
Bitcoin block existence check
https://blockstream.info/api/block/953520

Full record

Track page: Concerto No. 1 in E major, Op. 8, RV 269, "La primavera" (Spring): II. Largo · Machine-readable JSON-LD