ISRC CZA167602335
Verified recording
CZA167602335 is “The Four Seasons, Op. 8, Violin Concerto No. 1 in E Major, RV 269 "Spring": II. Largo e pianissimo sempre” by Antonio Vivaldi,
registered on the CopyrightChains blockchain with CopyrightID
0x223c185a11ea981319cf5e792a40be8d41bb956e0464d54cbb9782726c0a2ee5 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/CZA167602335.
Recording identifiers
- ISRC
- CZA167602335
- Title
- The Four Seasons, Op. 8, Violin Concerto No. 1 in E Major, RV 269 "Spring": II. Largo e pianissimo sempre
- Artist
- Antonio Vivaldi
- CopyrightID (CopyrightChains transaction hash)
0x223c185a11ea981319cf5e792a40be8d41bb956e0464d54cbb9782726c0a2ee5
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:22:41+00:00
- Bitcoin block
- 957120
- Canonical record hash
sha256:b46db81fc2d165c9d329a65a048aa2824cbd8c639245dae515e656f40fdecbee- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CZA167602335
- Bitcoin block existence check
- https://blockstream.info/api/block/957120
Full record
Track page: The Four Seasons, Op. 8, Violin Concerto No. 1 in E Major, RV 269 "Spring": II. Largo e pianissimo sempre · Machine-readable JSON-LD