ISRC FRZ132113090
Verified recording
FRZ132113090 is “L'estro armonico. Concerto No. 3 for Violin in G Major, Op. 3, RV 310: II. Largo” by Antonio Vivaldi,
registered on the CopyrightChains blockchain with CopyrightID
0x266a8d67448f1acd0b13bd5fb1b53752c5404c807113c77474c2516cc74090f0 and independently timestamped
in Bitcoin block 957120 on 2026-07-08.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ132113090.
Recording identifiers
- ISRC
- FRZ132113090
- Title
- L'estro armonico. Concerto No. 3 for Violin in G Major, Op. 3, RV 310: II. Largo
- Artist
- Antonio Vivaldi
- CopyrightID (CopyrightChains transaction hash)
0x266a8d67448f1acd0b13bd5fb1b53752c5404c807113c77474c2516cc74090f0
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:22:41+00:00
- Bitcoin block
- 957120
- Canonical record hash
sha256:219daaba1950baf75003873c1631c8fa776e903c212812d0e5fa7983feeba93a- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ132113090
- Bitcoin block existence check
- https://blockstream.info/api/block/957120
Full record
Track page: L'estro armonico. Concerto No. 3 for Violin in G Major, Op. 3, RV 310: II. Largo · Machine-readable JSON-LD