ISRC CZA167611335

Verified recording

CZA167611335 is “The Four Seasons, Op. 8, Violin Concerto No. 4 in F Minor, RV 297 "Winter": II. Largo” by Antonio Vivaldi, registered on the CopyrightChains blockchain with CopyrightID 0x7c1081072e0a76fb598e32c2e84496d8b41d83afccc4c23ff9048ef74d57210a 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/CZA167611335.

Recording identifiers

ISRC
CZA167611335
Title
The Four Seasons, Op. 8, Violin Concerto No. 4 in F Minor, RV 297 "Winter": II. Largo
Artist
Antonio Vivaldi
CopyrightID (CopyrightChains transaction hash)
0x7c1081072e0a76fb598e32c2e84496d8b41d83afccc4c23ff9048ef74d57210a

Dual-chain proof evidence

Bitcoin-attested timestamp
2026-07-08T03:22:41+00:00
Bitcoin block
957120
Canonical record hash
sha256:936268c874f9091a7087eb981e68b9aad9ba7b4d5f5aa9455452e8f9be1f076a
Verification API (6-check server-side result)
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CZA167611335
Bitcoin block existence check
https://blockstream.info/api/block/957120

Full record

Track page: The Four Seasons, Op. 8, Violin Concerto No. 4 in F Minor, RV 297 "Winter": II. Largo · Machine-readable JSON-LD