ISRC FRZ208306102
Verified recording
FRZ208306102 is “Vivaldi: Mandolin Concerto in C Major, RV 425: II. Largo” by Antonio Vivaldi,
registered on the CopyrightChains blockchain with CopyrightID
0xec0febde932a9fed675471966fd87d02aad174ee20f2ac51f3d464dfeca240c4 and independently timestamped
in Bitcoin block 960138 on 2026-07-29.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ208306102.
Recording identifiers
- ISRC
- FRZ208306102
- Title
- Vivaldi: Mandolin Concerto in C Major, RV 425: II. Largo
- Artist
- Antonio Vivaldi
- CopyrightID (CopyrightChains transaction hash)
0xec0febde932a9fed675471966fd87d02aad174ee20f2ac51f3d464dfeca240c4
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-29T19:35:34+00:00
- Bitcoin block
- 960138
- Canonical record hash
sha256:35c3cfc32531bbff760b098e744d5c45936a71d67909bec86554318971c92d05- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ208306102
- Bitcoin block existence check
- https://blockstream.info/api/block/960138
Full record
Track page: Vivaldi: Mandolin Concerto in C Major, RV 425: II. Largo · Machine-readable JSON-LD