{
  "category": "Brake Pads",
  "vertical": "automotive-aftermarket",
  "source": "https://getclaro.ai/resources/attribute-library/automotive-aftermarket/brake-pads/",
  "status": "editorial-draft",
  "note": "Editorial reference template. Example values show format only and do not describe a real SKU. Not an official ETIM or ECLASS class.",
  "groups": [
    {
      "key": "identity",
      "name": "Identity",
      "check": "Preserve leading zeros and punctuation, validate against the manufacturer record, and check the GTIN check digit and packaging level before linking."
    },
    {
      "key": "technical",
      "name": "Technical specifications",
      "check": "Store the number and unit separately. Convert only when the source unit and test conditions are known."
    },
    {
      "key": "selection",
      "name": "Selection attributes",
      "check": "Map supplier wording to a governed vocabulary only after checking the source text and which variant it applies to."
    },
    {
      "key": "fit",
      "name": "Fit & compatibility",
      "check": "Keep model and series qualifiers. A similar-looking part is not a verified fit until a source says so."
    },
    {
      "key": "evidence",
      "name": "Evidence & compliance",
      "check": "Link the manufacturer document or label with its edition or date. Never copy a certification from a neighboring SKU."
    }
  ],
  "fields": [
    {
      "key": "position",
      "label": "Axle Position",
      "group": "fit",
      "priority": "core",
      "value_type": "controlled",
      "unit": null,
      "example_format": "Front"
    },
    {
      "key": "fmsi_number",
      "label": "FMSI Number",
      "group": "identity",
      "priority": "core",
      "value_type": "identifier",
      "unit": null,
      "example_format": "D1210"
    },
    {
      "key": "manufacturer_part_number",
      "label": "Manufacturer Part Number",
      "group": "identity",
      "priority": "core",
      "value_type": "identifier",
      "unit": null,
      "example_format": "BP-1210C"
    },
    {
      "key": "vehicle_application_aces",
      "label": "Vehicle Application (ACES)",
      "group": "fit",
      "priority": "core",
      "value_type": "text",
      "unit": null,
      "example_format": "2015-2020 full-size pickup, front disc"
    },
    {
      "key": "friction_material_composition",
      "label": "Friction Material",
      "group": "selection",
      "priority": "core",
      "value_type": "controlled",
      "unit": null,
      "example_format": "Ceramic"
    },
    {
      "key": "pad_thickness_inner_outer",
      "label": "Pad Thickness (Inner / Outer)",
      "group": "technical",
      "priority": "core",
      "value_type": "text",
      "unit": "mm",
      "example_format": "16.6 mm / 16.6 mm"
    },
    {
      "key": "pad_height",
      "label": "Pad Height",
      "group": "technical",
      "priority": "core",
      "value_type": "number",
      "unit": "mm",
      "example_format": "55.2 mm"
    },
    {
      "key": "pad_width",
      "label": "Pad Width",
      "group": "technical",
      "priority": "core",
      "value_type": "number",
      "unit": "mm",
      "example_format": "130.0 mm"
    },
    {
      "key": "pieces_per_set",
      "label": "Pieces per Set",
      "group": "identity",
      "priority": "core",
      "value_type": "number",
      "unit": null,
      "example_format": "4"
    },
    {
      "key": "gtin_upc",
      "label": "GTIN / UPC",
      "group": "identity",
      "priority": "core",
      "value_type": "identifier",
      "unit": null,
      "example_format": "081234512101"
    },
    {
      "key": "edge_code",
      "label": "Edge Code (as stamped)",
      "group": "evidence",
      "priority": "differentiating",
      "value_type": "identifier",
      "unit": null,
      "example_format": "XYZ 1234 FF"
    },
    {
      "key": "sae_j866_friction_code",
      "label": "SAE J866 Friction Code",
      "group": "evidence",
      "priority": "differentiating",
      "value_type": "controlled",
      "unit": null,
      "example_format": "FF"
    },
    {
      "key": "backing_plate_attachment_method",
      "label": "Backing Plate Attachment Method",
      "group": "selection",
      "priority": "differentiating",
      "value_type": "controlled",
      "unit": null,
      "example_format": "Mechanical retention"
    },
    {
      "key": "wear_sensor_included",
      "label": "Wear Sensor Included",
      "group": "selection",
      "priority": "differentiating",
      "value_type": "controlled",
      "unit": null,
      "example_format": "Yes, 1 electronic sensor per set"
    },
    {
      "key": "shim_type",
      "label": "Shim Type",
      "group": "selection",
      "priority": "differentiating",
      "value_type": "controlled",
      "unit": null,
      "example_format": "Bonded multi-layer shim"
    },
    {
      "key": "copper_content_level_leafmark",
      "label": "Copper Content Level (LeafMark)",
      "group": "evidence",
      "priority": "channel",
      "value_type": "controlled",
      "unit": null,
      "example_format": "N (under 0.5% copper by weight)"
    },
    {
      "key": "ece_r90_approval_number",
      "label": "ECE R90 Approval Number",
      "group": "evidence",
      "priority": "channel",
      "value_type": "identifier",
      "unit": null,
      "example_format": "E1 90R-02A0123/4567"
    },
    {
      "key": "country_of_origin",
      "label": "Country of Origin",
      "group": "evidence",
      "priority": "channel",
      "value_type": "controlled",
      "unit": null,
      "example_format": "Mexico"
    }
  ],
  "evidence_columns": [
    "raw_value",
    "normalized_value",
    "source_uri",
    "source_page_or_row",
    "confidence",
    "review_state",
    "last_verified"
  ],
  "normalization_examples": [
    {
      "attribute": "Friction Material",
      "variants": [
        "Semi-Met",
        "Semi Metallic",
        "SEMI-METALLIC",
        "Metallic (Semi)",
        "S/M",
        "Semi-Metallic Formula"
      ],
      "normalized": "Semi-Metallic"
    },
    {
      "attribute": "Axle Position",
      "variants": [
        "Front",
        "FRT",
        "F",
        "Fr.",
        "Front Axle",
        "Vorderachse"
      ],
      "normalized": "Front"
    },
    {
      "attribute": "Pad Thickness",
      "variants": [
        "0.654 IN",
        "0.654\"",
        "16.6",
        "16,6 mm",
        "16.6mm",
        ".654"
      ],
      "normalized": "16.6 mm"
    }
  ]
}