ISRC CZA167202933
Verified recording
CZA167202933 is “Concerto for Two Horns and Strings in F Major, RV 538: II. Largo” by Antonio Vivaldi,
registered on the CopyrightChains blockchain with CopyrightID
0x0b3ee448a09e853b0b4cf19555a4018a7dc532110513b6bb3ab88018a15c5243 and independently timestamped
in Bitcoin block 960455 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CZA167202933.
Recording identifiers
- ISRC
- CZA167202933
- Title
- Concerto for Two Horns and Strings in F Major, RV 538: II. Largo
- Artist
- Antonio Vivaldi
- CopyrightID (CopyrightChains transaction hash)
0x0b3ee448a09e853b0b4cf19555a4018a7dc532110513b6bb3ab88018a15c5243
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T19:53:13+00:00
- Bitcoin block
- 960455
- Canonical record hash
sha256:ed945f6d5cf7e09184d52d6a309456581ae55d78ea4d9922d486fa314175f3e2- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CZA167202933
- Bitcoin block existence check
- https://blockstream.info/api/block/960455
Full record
Track page: Concerto for Two Horns and Strings in F Major, RV 538: II. Largo · Machine-readable JSON-LD