{
  "step": "C266",
  "date": "2026-09-24",
  "authorized_task": "Finite endpoint ledger of 5+1+1+6(+1), including relation to new 529 radius framework",
  "superseded_proposal": "AD1905\u20131911 fixed post-Flood event lookup remains unexecuted",
  "inputs": "Supplied axis report; named S7 sources; frozen File18/File09; C265 checkpoint",
  "finite_domain": "MT ON, SP OFF, LXX OFF cumulative Flood and Shem full seven-year envelopes; named Creation support and radius conversions only",
  "forbidden_extensions": [
    "new historical dates or source identities from numerical matches",
    "new Gear states",
    "unfixed endpoint search",
    "upstream regular Gear transport",
    "closed primer campaigns",
    "new z-law"
  ],
  "scope_of_research": "One bounded continuation step; source checkpoints remain frozen",
  "notation": {
    "K": 529,
    "E": "25/23",
    "P": "70/69",
    "rho": "radius"
  },
  "source_frames": [
    "MT restored cumulative ON",
    "SP official Terah145 cumulative OFF, anchored Joshua death1296",
    "LXX native cumulative ON, with declared OFF subtraction460"
  ],
  "regular_gears": "No regular Gear operation in this cumulative ledger; standing Noah/Shem/Flood-only limit retained"
}