ISRC FRZ132113070
Verified recording
FRZ132113070 is “L'estro armonico. Concerto No. 2 for 2 Violins in G Minor, Op. 3, RV 578: IV. Allegro” by Antonio Vivaldi,
registered on the CopyrightChains blockchain with CopyrightID
0x0c0111fc94d50d27343998d07592b6f6ccde0bd581d0d5d89f05506d8ca21c73 and independently timestamped
in Bitcoin block 960334 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ132113070.
Recording identifiers
- ISRC
- FRZ132113070
- Title
- L'estro armonico. Concerto No. 2 for 2 Violins in G Minor, Op. 3, RV 578: IV. Allegro
- Artist
- Antonio Vivaldi
- CopyrightID (CopyrightChains transaction hash)
0x0c0111fc94d50d27343998d07592b6f6ccde0bd581d0d5d89f05506d8ca21c73
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T02:19:15+00:00
- Bitcoin block
- 960334
- Canonical record hash
sha256:13eaa7a3b7e5604e08e2328c647db45728a44f99cdedd66547aa6bcbc4328b37- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ132113070
- Bitcoin block existence check
- https://blockstream.info/api/block/960334
Full record
Track page: L'estro armonico. Concerto No. 2 for 2 Violins in G Minor, Op. 3, RV 578: IV. Allegro · Machine-readable JSON-LD