{
  "number": 414,
  "date": "2026-09-24",
  "title": "Complete 2K source-pair census under fixed 500 translation",
  "question": "Enumerate existing1058-wide regular source pairs and test simultaneous one- and two-step−500 transport.",
  "authorization": "User authorized next10 bounded steps C414–C423; 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."
}