{
  "accessed": "2026-11-15",
  "mode": "static engineering references, no live data",
  "sources": [
    {
      "id": "NASA-NTRS-20230012635",
      "title": "Logistics Rates and Assumptions for Future Human Spaceflight Missions Beyond LEO",
      "year": 2023,
      "url": "https://ntrs.nasa.gov/citations/20230012635",
      "locator": "Table 2 printed p. 5; Table 8 printed pp. 9–10; Table 11 printed p. 13",
      "inputs": {
        "surface_82kg_crew_oxygen_kg_person_day": 0.84,
        "surface_drinking_water_kg_person_day": 2,
        "food_rehydration_water_kg_person_day": 0.5,
        "hygiene_water_kg_person_day": 0.4,
        "flush_water_kg_person_day": 0.3,
        "dry_food_non_EVA_kg_person_day": 0.98
      },
      "scope": "Conceptual surface oxygen/water planning rates and non-EVA dry-food stock allocation; excludes food water and packaging. No hardware certification."
    },
    {
      "id": "NASA-ECLSS-2025-04-04",
      "title": "Environmental Control and Life Support Systems (ECLSS)",
      "url": "https://www.nasa.gov/reference/environmental-control-and-life-support-systems-eclss/",
      "use": "Water recovery and oxygen-generation coupling; historical 90% water recovery overview as illustrative benchmark."
    }
  ],
  "derived": {
    "crew_water_kg_person_day": 3.2,
    "electrolysis_feedwater_kg_per_kg_oxygen": 1.125,
    "electrolysis_basis": "rounded stoichiometry 36/32"
  },
  "illustrative": "All hardware capacities and loads; greenhouse demand and crop-care proxy with no harvest; data rates, queue capacity and outage; collection fraction, event timing, repair duration, science rewards, exposure points and planner reserve margins.",
  "events": "Fictional electrical fault, radiation drill and radio outage. No live space-weather feed or operational lunar network.",
  "endorsement": "No NASA endorsement or engineering certification.",
  "ai_assistance": {
    "tool": "OpenAI Codex",
    "generated": "Code, illustrative scenario parameters, explanatory text, original SVG artwork and presentation, assisted by OpenAI Codex. NASA reference facts are attributed transcriptions.",
    "reference_data": "NASA planning values were transcribed from attributed publications, not invented or generated live."
  },
  "model_version": "1.1.0",
  "planner": {
    "phase_specifications": 567,
    "nominal_reserve_feasible": 199,
    "nominal_pareto_points": 5,
    "feasible_in_all_five_tested_conditions": 18,
    "scope": "Exhaustive within the documented phase family only; no global optimum or probabilistic reliability claim."
  }
}