{
  "step": "C271",
  "date": "2026-09-24",
  "authorization": "Dean: Proceed after C270 proposed finite three-Gear SP Noah/Flood test",
  "status": "finite domain fixed before verifier execution",
  "domain": {
    "tradition": "SP regular, full-430 comparison frame",
    "Noah": "birth only; G1–G3; primary and permitted companion",
    "Flood": "G1–G3; independent start and close",
    "event_count": 12,
    "cross_pair_count": 36,
    "component_count": 24
  },
  "fixed_maps": {
    "T": "q+8993",
    "R_Noah": "y−3703",
    "R_Flood": "3105−y",
    "J1": "2−x",
    "eta": "1000(x−1)"
  },
  "questions": [
    "Which source-bound pairs preserve J1 at centers and actual seasonal components?",
    "Which C266 LXX_OFF cumulative members underlie these endpoints through T inverse?",
    "What finite coverage gaps and mismatched bindings remain?",
    "Which inherited seasonal radius ratios retain E=25/23?"
  ],
  "excluded": [
    "Noah deaths or a new regular Shem map",
    "MT or LXX regular Gear extension",
    "Cumulative Gears, upstream Gears or altered maps",
    "New historical event lookup or old campaign rerun",
    "Canonical or graph edits, primers or z-law",
    "C272 execution"
  ]
}
