ISRC FRZ208306203
Verified recording
FRZ208306203 is “Vivaldi: Concerto for Two Violins in tromba marina in C Major, RV 558: III. Allegro” by Antonio Vivaldi,
registered on the CopyrightChains blockchain with CopyrightID
0x6a903724cbdb3fee0a0f1ec9f195161f6554d3f63cc66562d781191efa13cc0c and independently timestamped
in Bitcoin block 960273 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ208306203.
Recording identifiers
- ISRC
- FRZ208306203
- Title
- Vivaldi: Concerto for Two Violins in tromba marina in C Major, RV 558: III. Allegro
- Artist
- Antonio Vivaldi
- CopyrightID (CopyrightChains transaction hash)
0x6a903724cbdb3fee0a0f1ec9f195161f6554d3f63cc66562d781191efa13cc0c
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T15:42:38+00:00
- Bitcoin block
- 960273
- Canonical record hash
sha256:35ab1ae6a08b1a2e4337dd816600bfb1cbea8d9eb21b4f5c6ab678968cae7d82- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ208306203
- Bitcoin block existence check
- https://blockstream.info/api/block/960273
Full record
Track page: Vivaldi: Concerto for Two Violins in tromba marina in C Major, RV 558: III. Allegro · Machine-readable JSON-LD