ISRC FRZ132210140
Verified recording
FRZ132210140 is “Violin Concerto in C Major, RV 179a: II. Largo” by Antonio Vivaldi,
registered on the CopyrightChains blockchain with CopyrightID
0xff5754f731eb2f19530f60a383e7958af716fd28025f9d75d938393d7dcf52e5 and independently timestamped
in Bitcoin block 960427 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ132210140.
Recording identifiers
- ISRC
- FRZ132210140
- Title
- Violin Concerto in C Major, RV 179a: II. Largo
- Artist
- Antonio Vivaldi
- CopyrightID (CopyrightChains transaction hash)
0xff5754f731eb2f19530f60a383e7958af716fd28025f9d75d938393d7dcf52e5
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T15:59:18+00:00
- Bitcoin block
- 960427
- Canonical record hash
sha256:3614f8d0ba0266b10d92191fee65478fac8a61305ad269abd07bd863015fa092- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ132210140
- Bitcoin block existence check
- https://blockstream.info/api/block/960427
Full record
Track page: Violin Concerto in C Major, RV 179a: II. Largo · Machine-readable JSON-LD