ISRC FRZ132113330
Verified recording
FRZ132113330 is “L'estro armonico. Concerto No. 4 for 4 Violins in E Minor, Op. 3, RV 550: I. Andante” by Antonio Vivaldi,
registered on the CopyrightChains blockchain with CopyrightID
0x0315c75f60835fa83bd493dcc4ed2023d388e2f8cf3a1e0ceb1b96603ac5587d and independently timestamped
in Bitcoin block 960441 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ132113330.
Recording identifiers
- ISRC
- FRZ132113330
- Title
- L'estro armonico. Concerto No. 4 for 4 Violins in E Minor, Op. 3, RV 550: I. Andante
- Artist
- Antonio Vivaldi
- CopyrightID (CopyrightChains transaction hash)
0x0315c75f60835fa83bd493dcc4ed2023d388e2f8cf3a1e0ceb1b96603ac5587d
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T17:29:52+00:00
- Bitcoin block
- 960441
- Canonical record hash
sha256:66119202b09099f5ae120afe1b7379e565f3b1fe0f09ff5dcee1dac8f597563f- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ132113330
- Bitcoin block existence check
- https://blockstream.info/api/block/960441
Full record
Track page: L'estro armonico. Concerto No. 4 for 4 Violins in E Minor, Op. 3, RV 550: I. Andante · Machine-readable JSON-LD