{
  "step": "C273",
  "date": "2026-09-24",
  "authorization": "Dean: Proceed after the C272 dependency-synthesis proposal",
  "research_domain": "C266–C272 and their immediate retained source dependencies",
  "work_type": "Synthesis and targeted exact equation checks, not a new numerical search or prior campaign rerun",
  "questions": [
    "Which inputs and conventions support each derived result?",
    "Which claims are equivalent expressions of the same constraints?",
    "Where are source translations, display changes and affine rescalings distinct?",
    "What is the strongest remaining unsupported link?"
  ],
  "permitted_targeted_check": "Rearrange the inherited MT closing-join and SP reflection conditions to make conditional determination of translations explicit",
  "excluded": [
    "No new source-event scan, anchor fit or register expansion",
    "No historical campaign replay",
    "No canonical or graph edits",
    "No new regular/cumulative Gear or primer reopening",
    "No C274 omission/independence experiment"
  ],
  "review_status": "Single-agent synthesis; prior independent reviews remain historical evidence only"
}