ISRC FRZ132113360
Verified recording
FRZ132113360 is “L'estro armonico. Concerto No. 4 for 4 Violins in E Minor, Op. 3, RV 550: IV. Allegro” by Antonio Vivaldi,
registered on the CopyrightChains blockchain with CopyrightID
0x27e05dd3f89f0f30d83c07b3b1e70f761f6142f5bcf64f621784a406e42d1eb3 and independently timestamped
in Bitcoin block 960321 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ132113360.
Recording identifiers
- ISRC
- FRZ132113360
- Title
- L'estro armonico. Concerto No. 4 for 4 Violins in E Minor, Op. 3, RV 550: IV. Allegro
- Artist
- Antonio Vivaldi
- CopyrightID (CopyrightChains transaction hash)
0x27e05dd3f89f0f30d83c07b3b1e70f761f6142f5bcf64f621784a406e42d1eb3
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T22:27:30+00:00
- Bitcoin block
- 960321
- Canonical record hash
sha256:73085b02a04779d2f59c40d4fab2748f7fca8851ca03861899ab260d31ca7c9d- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ132113360
- Bitcoin block existence check
- https://blockstream.info/api/block/960321
Full record
Track page: L'estro armonico. Concerto No. 4 for 4 Violins in E Minor, Op. 3, RV 550: IV. Allegro · Machine-readable JSON-LD