{
  "number": 291,
  "title": "The16K bridge interlaces the source pairs",
  "slug": "16K_Bridge_Interlacing",
  "question": "How does the existing8464 bridge act on the four-node K structure?",
  "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"
}