{
  "schema": "rear-bump-rubber-evidence-v1",
  "date": "2026-10-27",
  "classification": "Factory roles and supplier replacement comparison;no direct owner dimensions or fitted identity.",
  "factory": {
    "url": "https://www.spridgets.de/downloads/Parts-1977.pdf",
    "visually_inspected_pdf_pages": [
      146,
      150
    ],
    "roles": "PDF150item13:two bump rubbers,AHH7074 used prior toAHH9158;AHH9158change-point includes GAN5-77979onward.Item14separates earlyAHH5081fromGAN6BHH989rebound straps. PDF146shows axle casing/support architecture but supplies no dimensioned bump-rubber joint.",
    "scope_limit": "Factory common illustration/application is not proof of fitted rubber,mount or stop height."
  },
  "supplier_sources": [
    {
      "url": "https://www.mgocspares.co.uk/product/ahh9158/bump-rubber-rear",
      "photo_url": "https://www.mgocspares.co.uk/ImageHandler/108534w1000h1000/AHH9158?sequence=108534&width=1000&height=1000",
      "observation": "Own product photograph:barrel-like rubber body,shouldered/tapered end and axial opening;not calibrated."
    },
    {
      "url": "https://philipsclassics.be/collections/mg/products/bump-stop-rear-axle-rubber",
      "listed_dimensions_mm": {
        "outside_diameter": 55,
        "overall_height": 55,
        "internal_diameters": [
          14,
          18.7
        ]
      },
      "photo_urls": [
        "https://philipsclassics.be/cdn/shop/files/AHH9158_3_900x.jpg?v=1746770162",
        "https://philipsclassics.be/cdn/shop/files/AHH9158_4_900x.jpg?v=1746770160"
      ],
      "observation": "Own opposite-end photographs show unequal axial openings and contoured exterior. Listing does not locate internal shoulders/depths or identify fitted installation orientation."
    }
  ],
  "rejected_procedure_transfer": {
    "url": "https://www.minispares.com/media/catalog/pdf/C-AJJ3313.pdf",
    "reason": "Primary instructions use AHH9158in a Mini-specific progressive bump-stop kit with its own brackets. Its retention/installation instructions are not applied to MG Midget body or axle."
  },
  "unavailable_new_lead": {
    "url": "https://www.ebay.co.uk/itm/128150317024",
    "result": "Public donor-axle listing unavailable through web reader;direct read403. No donor image or mounting geometry recovered. Do not repeat without a new accessible lead."
  },
  "source_capture_sha256": {
    "factory_parts_pdf": "a3181ad2dfa44fe4604549421c90dc675d50d34ae0416421a180cf0c17f198fe",
    "mgoc_product_html": "db0631d742db2542bcd22c3d5d49f1fc400cea125197c0307de6b1edebbd990b",
    "mgoc_product_photo": "fa230ef42cf5450b0e58b01a23271a2aea642c527e183ed6d64520678eac7c5b",
    "philips_product_html": "973ef8b9eb4c75aa29975c6df08de39cb5ec7f3fe72c36e6e8642120f438bee5",
    "philips_opposite_end_3": "bf06e61c39a50a2ba690a7f94c6a2a56dab03b5a767ba18bec00c5d55c3c7ede",
    "philips_opposite_end_4": "00bd1529c1fdea23361f0bbf5c6c9181b68dbe91b6db6c37fc45b35c7b46acdf"
  },
  "current_model_gap": "Rear bump rubbers,located retention/support and identified body strike surface are absent. Existing axle/spring-clamp/damper/rebound-strap source groups do not establish this compression-stop interface.",
  "implemented": "Workshop rear-running-gear/#rear-bump-rubbers distinguishes factoryroles,supplier dimensions,unresolved installed geometry and model limits.",
  "external_dependency": "Applicable located installed bump-rubber support/retention and opposing body strike-surface evidence,with common axle/body registration. Owner input is not requested.",
  "geometry_disposition": "No unlocated rubber/pedestal was added to imply an attached working stop. Existing physical sources and neighbor datums remain unchanged. A rubber exterior alone would be a small isolated part rather than a substantial supported assembly correction;avoid minor hardware filler.",
  "claims_not_established": [
    "Fitted presence/identity/condition",
    "Internal shoulder depths or retention",
    "Mounting axis,common body/axle registration or opposing surface",
    "Compression curve,loaded stop height or suspension travel",
    "Brake-hose/exhaust/wheel clearance or contact order",
    "Verified service/replacement/support procedure"
  ]
}