ISRC FRZ132113150
Verified recording
FRZ132113150 is “L'estro armonico. Concerto No. 10 for 4 Violins in B Minor, Op. 3, RV 580: II. Largo” by Antonio Vivaldi,
registered on the CopyrightChains blockchain with CopyrightID
0x5b1c7f8c5e828709907054f498acb3c083ad3aa943de725b35624f8b8e8958fc 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/FRZ132113150.
Recording identifiers
- ISRC
- FRZ132113150
- Title
- L'estro armonico. Concerto No. 10 for 4 Violins in B Minor, Op. 3, RV 580: II. Largo
- Artist
- Antonio Vivaldi
- CopyrightID (CopyrightChains transaction hash)
0x5b1c7f8c5e828709907054f498acb3c083ad3aa943de725b35624f8b8e8958fc
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T15:59:18+00:00
- Bitcoin block
- 960427
- Canonical record hash
sha256:6fe493e8c70cc9a1e1489a70bb4bea40262248f691fd3f7dfba20d9f02302391- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ132113150
- Bitcoin block existence check
- https://blockstream.info/api/block/960427
Full record
Track page: L'estro armonico. Concerto No. 10 for 4 Violins in B Minor, Op. 3, RV 580: II. Largo · Machine-readable JSON-LD