ISRC HKI199328105
Verified recording
HKI199328105 is “II. Largo” by Antonio Vivaldi,
registered on the CopyrightChains blockchain with CopyrightID
0x6e9a41a3dcf244bd01cb8fc04fa01ec24b2eee105b43a77c6d0a70cd1dc74a44 and independently timestamped
in Bitcoin block 960138 on 2026-07-29.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI199328105.
Recording identifiers
- ISRC
- HKI199328105
- Title
- II. Largo
- Artist
- Antonio Vivaldi
- CopyrightID (CopyrightChains transaction hash)
0x6e9a41a3dcf244bd01cb8fc04fa01ec24b2eee105b43a77c6d0a70cd1dc74a44
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-29T19:35:34+00:00
- Bitcoin block
- 960138
- Canonical record hash
sha256:af2069f4f4c6fde4db999c1cd1fa57e2d2d29048d92c00d3b57129551a32daa8- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI199328105
- Bitcoin block existence check
- https://blockstream.info/api/block/960138