ISRC FRZ132113270
Verified recording
FRZ132113270 is “L'estro armonico. Concerto No. 12 for Violin in E Major, Op. 3, RV 265: I. Allegro” by Antonio Vivaldi,
registered on the CopyrightChains blockchain with CopyrightID
0xf9f6e21133bc4f1d173839c46402ef7060535b6056fb17670245252620ed42ab and independently timestamped
in Bitcoin block 957118 on 2026-07-08.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ132113270.
Recording identifiers
- ISRC
- FRZ132113270
- Title
- L'estro armonico. Concerto No. 12 for Violin in E Major, Op. 3, RV 265: I. Allegro
- Artist
- Antonio Vivaldi
- CopyrightID (CopyrightChains transaction hash)
0xf9f6e21133bc4f1d173839c46402ef7060535b6056fb17670245252620ed42ab
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:e2d1d34fca62a522580104f46e17e97353e9ffe1151fbd1d8449ebc2117d4116- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ132113270
- Bitcoin block existence check
- https://blockstream.info/api/block/957118
Full record
Track page: L'estro armonico. Concerto No. 12 for Violin in E Major, Op. 3, RV 265: I. Allegro · Machine-readable JSON-LD