Verify a receipt in your own browser

Paste a Decision Receipt below. Your browser checks the signatures the receipt carries and confirms the content has not been altered since it was signed. The receipt itself is never sent anywhere. The result names which signature scheme was checked and states exactly what that signature does and does not cover.

By default this page makes one network request, for the gateway's public keys. Paste your own pinned copy under Advanced and it makes none at all.

Keys come from gateway.synoi.systems/verify/pubkey. Fetch it yourself any time to confirm this page is not changing anything.