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
UD Signer
Authorize sealing without pretending assurance exists. Signer is the planned authorization surface for sealing a UDS. Production signing must use protected Ed25519 custody and a real trust identity; it is not enabled merely because a web form exists.
Current status
Related Universal Document concepts
One open standard → many optional commensals.