ISRC HKI190121602
Verified recording
HKI190121602 is “Concerto for 2 Trumpets in C Major, RV 537: II. Largo” by Antonio Vivaldi,
registered on the CopyrightChains blockchain with CopyrightID
0xde72789ac510bc4694ebd76c033796119860414a436ffd3426d89e80a3a8202e and independently timestamped
in Bitcoin block 956304 on 2026-07-02.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI190121602.
Recording identifiers
- ISRC
- HKI190121602
- Title
- Concerto for 2 Trumpets in C Major, RV 537: II. Largo
- Artist
- Antonio Vivaldi
- CopyrightID (CopyrightChains transaction hash)
0xde72789ac510bc4694ebd76c033796119860414a436ffd3426d89e80a3a8202e
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T03:55:08+00:00
- Bitcoin block
- 956304
- Canonical record hash
sha256:ee5d3c4d9077fedcc66cdb9b22dc0105f340dd4eee75f900cbf7a3c028509e89- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI190121602
- Bitcoin block existence check
- https://blockstream.info/api/block/956304
Full record
Track page: Concerto for 2 Trumpets in C Major, RV 537: II. Largo · Machine-readable JSON-LD