Status is stated as deployed today. It is not a promise of production signing, verified identity, trusted time, or independent-node consensus.
Universal Document glossary
UDR
UDR remembers change. UDR is the revisable Universal Document form. It can preserve append-only revision history, identify its parent revision, and let permitted recipients create a new revision without silently overwriting earlier history.
Current status
What is UDR?
UDR is the living, revisable form. UDR remembers change by creating new revisions instead of silently overwriting old history.
Related Universal Document concepts
One open standard → many optional commensals.