{
  "number": 299,
  "title": "The600-year lift changes source roles",
  "slug": "600_Year_Lift_Noah_and_Cumulative_Shem",
  "question": "Which complete600-year segments survive the cross-bridge comparison?",
  "date": "2026-09-24",
  "scope": "Mirror and529; regular Gears Noah/Shem/Flood only; no canonical or graph changes",
  "source_qualifications": "Retain phase ancestry, profile/state/frame and event identity; generated coordinates do not add events.",
  "research_authorization": "Sequential batch through C310; reassess after every step"
}