ISRC FRZ208206602
Verified recording
FRZ208206602 is “Vivaldi: The Four Seasons, Violin Concerto in E Major, Op. 8 No. 1, RV 269 "Spring": II. Largo e pianissimo sempre” by Antonio Vivaldi,
registered on the CopyrightChains blockchain with CopyrightID
0x210c40c7946f2e25ab14265e725a1934dd1ace80baff11e3ed31ee7f792d5e33 and independently timestamped
in Bitcoin block 953520 on 2026-06-13.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ208206602.
Recording identifiers
- ISRC
- FRZ208206602
- Title
- Vivaldi: The Four Seasons, Violin Concerto in E Major, Op. 8 No. 1, RV 269 "Spring": II. Largo e pianissimo sempre
- Artist
- Antonio Vivaldi
- CopyrightID (CopyrightChains transaction hash)
0x210c40c7946f2e25ab14265e725a1934dd1ace80baff11e3ed31ee7f792d5e33
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-06-13T13:32:09+00:00
- Bitcoin block
- 953520
- Canonical record hash
sha256:c33ea0ce407db8b8c5b278233f6106ef9a83a38315be1d5bf41eea3040f3aee1- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ208206602
- Bitcoin block existence check
- https://blockstream.info/api/block/953520
Full record
Track page: Vivaldi: The Four Seasons, Violin Concerto in E Major, Op. 8 No. 1, RV 269 "Spring": II. Largo e pianissimo sempre · Machine-readable JSON-LD