ISRC HKI190423317

Verified recording

HKI190423317 is “Concerto for Recorder, Oboe and 2 Violins in C Major, RV 87: II. Largo” by Antonio Vivaldi, registered on the CopyrightChains blockchain with CopyrightID 0x11b14e8cf8f98593e97df99c915657268083653cd82fe25da044f3cf4360cc77 and independently timestamped in Bitcoin block 957118 on 2026-07-08. Verify the canonical record, hash, and Bitcoin attestation at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI190423317.

Recording identifiers

ISRC
HKI190423317
Title
Concerto for Recorder, Oboe and 2 Violins in C Major, RV 87: II. Largo
Artist
Antonio Vivaldi
CopyrightID (CopyrightChains transaction hash)
0x11b14e8cf8f98593e97df99c915657268083653cd82fe25da044f3cf4360cc77

Dual-chain proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19+00:00
Bitcoin block
957118
Canonical record hash
sha256:d33d1e055202378dde84fb02bc46ff4fac757ca3ad50e9f626eda19d89f4e1ba
Verification API (6-check server-side result)
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI190423317
Bitcoin block existence check
https://blockstream.info/api/block/957118

Full record

Track page: Concerto for Recorder, Oboe and 2 Violins in C Major, RV 87: II. Largo · Machine-readable JSON-LD