ISRC FRZ132113210
Verified recording
FRZ132113210 is “L'estro armonico. Concerto No. 11 for 2 Violins and Cello in D Minor, Op. 3, RV 565: II. Adagio e spiccato. Allegro” by Antonio Vivaldi,
registered on the CopyrightChains blockchain with CopyrightID
0x44b6b742b6aa711c8cca87216a4cf5819e1e41f6bcb9dd98c23b5217a7277ad2 and independently timestamped
in Bitcoin block 957120 on 2026-07-08.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ132113210.
Recording identifiers
- ISRC
- FRZ132113210
- Title
- L'estro armonico. Concerto No. 11 for 2 Violins and Cello in D Minor, Op. 3, RV 565: II. Adagio e spiccato. Allegro
- Artist
- Antonio Vivaldi
- CopyrightID (CopyrightChains transaction hash)
0x44b6b742b6aa711c8cca87216a4cf5819e1e41f6bcb9dd98c23b5217a7277ad2
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:22:41+00:00
- Bitcoin block
- 957120
- Canonical record hash
sha256:6a4a92f5c8444b6b15b8e801b5f8913fe2e4fa001ec79677110a4763a21dac0c- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ132113210
- Bitcoin block existence check
- https://blockstream.info/api/block/957120
Full record
Track page: L'estro armonico. Concerto No. 11 for 2 Violins and Cello in D Minor, Op. 3, RV 565: II. Adagio e spiccato. Allegro · Machine-readable JSON-LD