{
  "number": 397,
  "date": "2026-09-24",
  "title": "Commuting affine circuits in the sourced E/P/J loops",
  "question": "What is the exact algebra of the closed P–E and J–E source circuits at each vertex of the two MT loops?",
  "authorization": "User authorized next10 bounded steps C394–C403; next question reassessed after each completed result.",
  "scope": "Mirror/529; regular Gears Noah/Shem/Flood only; SP companion local. Fixed source inputs, no canonical/graph changes."
}