ISRC FRZ132113050
Verified recording
FRZ132113050 is “L'estro armonico. Concerto No. 2 for 2 Violins in G Minor, Op. 3, RV 578: II. [Allegro]” by Antonio Vivaldi,
registered on the CopyrightChains blockchain with CopyrightID
0xa2b262a0deee75b4e59971a3777b0766aa57e0ed6bbad0e34dc5af3ce25a8c0a 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/FRZ132113050.
Recording identifiers
- ISRC
- FRZ132113050
- Title
- L'estro armonico. Concerto No. 2 for 2 Violins in G Minor, Op. 3, RV 578: II. [Allegro]
- Artist
- Antonio Vivaldi
- CopyrightID (CopyrightChains transaction hash)
0xa2b262a0deee75b4e59971a3777b0766aa57e0ed6bbad0e34dc5af3ce25a8c0a
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T02:19:15+00:00
- Bitcoin block
- 960334
- Canonical record hash
sha256:a3a52fa7153ef7355bd579bd7341c2e53f3c06fae2ca6c3154169b2fd1e097de- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ132113050
- 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: II. [Allegro] · Machine-readable JSON-LD