ISRC HKI199329411
Verified recording
HKI199329411 is “II. Largo” by Antonio Vivaldi,
registered on the CopyrightChains blockchain with CopyrightID
0x2e3fff520fce4c75ace82b11d3aa8e2497973508a88f52ab7832f0b9a82e5b57 and independently timestamped
in Bitcoin block 956302 on 2026-07-02.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI199329411.
Recording identifiers
- ISRC
- HKI199329411
- Title
- II. Largo
- Artist
- Antonio Vivaldi
- CopyrightID (CopyrightChains transaction hash)
0x2e3fff520fce4c75ace82b11d3aa8e2497973508a88f52ab7832f0b9a82e5b57
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T03:30:09+00:00
- Bitcoin block
- 956302
- Canonical record hash
sha256:4beab415eb073c98d82d6debdf49014502512247dd1db6b82a38c1172c1ebd8a- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI199329411
- Bitcoin block existence check
- https://blockstream.info/api/block/956302