Why is PDF version control so messy?
PDF preserves appearance well but usually leaves version relationships to filenames, folders and external systems.
Read answer →Universal Document answer
How do I amend a final document without overwriting it?
Derive a new living UDR from the prior final state and preserve the relationship between them.
What UD changes
Universal Document treats document state and lineage as explicit information instead of leaving them only in filenames, folders or platform history. That can make the answer inspectable after the file travels.
What it does not prove
Document integrity and provenance do not by themselves establish factual truth, legal sufficiency, identity, regulatory acceptance or organizational authorization.
Related questions
Can a structured document open in a normal browser?
Yes. UD BrowserCarrier files can package a browser-openable representation alongside the portable document state.
Read answer →What is the difference between UDR and UDS?
UDR is the living revisable state. UDS is the selected sealed state that should not be silently overwritten.
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