{
  "version": "v0.32",
  "date": "2026-10-14",
  "scope": "pneumatic requirements and reference static audit",
  "baseline": "v0.31 remains unchanged",
  "new_pneumatic_CAD_released": false,
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      "required_area_cm2": 1.0
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      "required_area_mm2": 50.0,
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      "required_area_mm2": 600.0,
      "required_area_cm2": 6.0
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    {
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      "target_mean_contact_pressure_MPa": 0.5,
      "required_area_mm2": 300.0,
      "required_area_cm2": 3.0
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      "tread_width_mm": 25,
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  "thermal_pressure_illustration": {
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    "room_C": 20,
    "cold_C": -30,
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  "public_tyre_examples": [
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      "source": "Kenda official product page",
      "size_label": "6x1-1/4 / 150x30",
      "listed_psi": 36,
      "listed_MPa": 0.248211262554048,
      "url": "https://wheelchair.kendatire.com/en-us/find-a-tire/wheelchair/everyday-homecare-multi-use/k671/",
      "status": "listed pressure only; complete wheel/rim cold-speed rating not supplied"
    },
    {
      "id": "K909",
      "source": "Kenda official product page",
      "part_no": "109090301B0",
      "size_label": "8x2 / 200x50",
      "listed_psi": 50,
      "listed_MPa": 0.3447378646584,
      "url": "https://wheelchair.kendatire.com/en-us/find-a-tire/wheelchair/powerchair-scooter/k909/",
      "status": "listed pressure only; not selected for -30C or 60km/h"
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  "pneumatic_requirements": {
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    "candidate_test_temperature_gauge_pressure_MPa": 0.5,
    "selected_tyre": null,
    "selected_rim": null,
    "certified_maximum_tyre_pressure_MPa": null,
    "first_stage_normal_load_target_N": [
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      100
    ],
    "extension_target_N": 150,
    "extension_qualified": false,
    "cold_target_C": [
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      -30
    ],
    "tread_speed_60_kmh_is_aspiration": true,
    "invented_meeting_device_width_900mm_is_requirement": false,
    "new_machine_dimensions_mm": null
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  "input_sha256": {
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    "meshes.json": "b096020f6c1ca02d4c6683eb8d0cb4ac41f2a8356604b3c8df9c214601690473",
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}