ISRC FRZ132113370
Verified recording
FRZ132113370 is “L'estro armonico. Concerto No. 5 for 2 Violins in A Major, Op. 3, RV 519: I. Allegro” by Antonio Vivaldi,
registered on the CopyrightChains blockchain with CopyrightID
0xa72f1bf786dc10341d40e7ec88d84c03e68c12692eb8dbfa70df3d61a43c7ebf and independently timestamped
in Bitcoin block 960430 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ132113370.
Recording identifiers
- ISRC
- FRZ132113370
- Title
- L'estro armonico. Concerto No. 5 for 2 Violins in A Major, Op. 3, RV 519: I. Allegro
- Artist
- Antonio Vivaldi
- CopyrightID (CopyrightChains transaction hash)
0xa72f1bf786dc10341d40e7ec88d84c03e68c12692eb8dbfa70df3d61a43c7ebf
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T16:09:41+00:00
- Bitcoin block
- 960430
- Canonical record hash
sha256:c2300aff5311f01a033fb5f119e4f7415de579445d876795d0c3500e2d570e18- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ132113370
- Bitcoin block existence check
- https://blockstream.info/api/block/960430
Full record
Track page: L'estro armonico. Concerto No. 5 for 2 Violins in A Major, Op. 3, RV 519: I. Allegro · Machine-readable JSON-LD