Where to find it
Open the file → "More actions" (⋯) → "Activity history" · "Download proof of signature"
- "Activity history" shows the whole file, newest first.
- ⋯ of a row → "Requirement history": only that paper (creation, changes, evidence, signature).
- "Download proof of signature": the sealed certificate of a signed paper (who, when, from where, how their identity was checked).
