Product / Check a file
Drop the file. Add the proof slip if you have one. Check. The math stays in this tab.
The official QEV package someone shared with you.
That slip points at the exact public record. Without it you only get “found / not found” for the current fingerprint.
“Does it match?” and “is it still live?” are two different lines — not one vague pass/fail.
Official locker, not Studio. Not File A. Download vault.json
Want to practice locally first? Lock a practice file in Studio — Check will reject that envelope on purpose.