The CGA does not replace medical licensing examinations — it makes them defensible in an age when AI can simulate mastery. The Arena doesn't care what platform trained the candidate. It only asks: can this physician reason through a counterfactual clinical scenario they have never encountered, without a safety net?
The argument in one paragraph
The Federation of State Medical Boards governs physician licensure for the United States. In 2026, the central challenge is no longer who has access to medical knowledge — it is how to verify that a physician candidate can reason with that knowledge under pressure, without AI assistance. Locked browsers and static question banks were designed for a pre-AI world. The Certification Governance Architecture replaces perimeter security with cognitive auditing: the candidate is placed inside an Adversarial Arena that generates dynamic interrogations from a truth-graph anchored to clinical ontologies. The candidate cannot memorize the pivot — it is derived in real time from their own prior reasoning. If they can defend it, they pass. If they cannot, it does not matter what their training telemetry showed.