{
  "number": 406,
  "date": "2026-09-24",
  "title": "Independent coherent-family census of Shem return loops",
  "question": "Enumerate Shem loops directly without filtering by the Noah500 correspondence or529.",
  "authorization": "User authorized next10 bounded steps C404–C413; 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."
}