master
John Lauer MPN laser etch: etched STEP is the default, plain kept as -unetched.step; hero GLB with footprint and silkscreen; hero… 6987a1e 20d ago
{
 "schema": "adom/component-hero-provenance@1",
 "mpn": "CR0402-FX-6802GLF",
 "date": "2026-09-30",
 "status": "PROPOSAL (local only, not published)",
 "purpose": "Annotated wiki hero GLB: the component plus nonphysical footprint reference art. Not a board asset: boards use the plain STEP/GLB, which carry no footprint art.",
 "hero_glb": {
  "file": "hero.glb",
  "sha256": "271c496a8ec7b0635d2711717067599ae50a397aaee6dbde4e1e968050b4b65b",
  "bytes": 47144
 },
 "inputs": {
  "original_step": {
   "file": "src/CR0402-FX-6802GLF.step",
   "sha256": "91507e5af4251cb4ef38e04889c9b98da29904432bd83786bba13ae9b605eacb",
   "status": "unchanged"
  },
  "hero_base_glb_sha256": "b864d8e83fc3aaa09c107bd33ccb3a21c1196a05dc749e05d30c41fe88413ffa",
  "footprint": {
   "file": "src/CR0402-FX-6802GLF.kicad_mod",
   "sha256": "6774ddbb8f28bda1f501570a58653fdd6eeba4e86f334708c06262b8f4ca2768"
  },
  "pin_map": {
   "file": "cr0402-fx-6802glf-hero.pinmap.json",
   "sha256": "ac5ac4a3c676a161db1104e9caa774058db5cf5760f24ee1271e117ebcb82e24"
  },
  "font": {
   "file": "JetBrainsMono-Regular.ttf (Adom brand mono, OFL, converted from the adom-theme woff2)",
   "sha256": "c1bfaf2ccf7c56dc25af0cc595c4c6a064a8ebf88930d4543805a9d90692e581"
  }
 },
 "pose": {
  "frame": "Adom Z-up footprint seating frame, metres in GLB, seating plane Z = 0",
  "transform": "library model is already Z-up in the footprint frame (footprint carries no model transform); identity",
  "xcaf_transform": "\u001b[0m"
 },
 "mark": {
  "kind": "virtual",
  "text": "CR0402-FX-6802GLF",
  "color_linear_rgb": [
   0.78,
   0.78,
   0.76
  ],
  "color_reason": "light mark on a dark body",
  "flat": "zero-thickness sheet (glyph top faces only)",
  "note": ""
 },
 "reference_art": {
  "tool": "component-reference-overlay.py (as shipped in john/eee-fk1v470p provenance/tools)",
  "tool_sha256": "aad792e4550350dc175c098711cc77e6574a2b1191191bcf57865fa882580e18",
  "label_height_mm": 0.3,
  "plane_z_mm": -0.02,
  "pad_outline": "teal #00E6DC dashed (0.07 on / 0.045 off), alpha 0.50, from F.Cu copper pads",
  "silkscreen": "F.SilkS contours, alpha 0.30; REF** and hidden properties omitted",
  "pad_labels": "alpha 0.50; 1 on pad 1, 2 on pad 2",
  "overlay_report": {
   "font_file": "JetBrainsMono-Regular.ttf",
   "font_sha256": "c1bfaf2ccf7c56dc25af0cc595c4c6a064a8ebf88930d4543805a9d90692e581",
   "generator_sha256": "aad792e4550350dc175c098711cc77e6574a2b1191191bcf57865fa882580e18",
   "source_glb_sha256": "b864d8e83fc3aaa09c107bd33ccb3a21c1196a05dc749e05d30c41fe88413ffa",
   "footprint_sha256": "6774ddbb8f28bda1f501570a58653fdd6eeba4e86f334708c06262b8f4ca2768",
   "derivative_sha256": "530ca3c7aec5c6875a97474a73d7114220070ea690433cd7e8bf8061b8cc8e24",
   "manufacturer_geometry_buffer_prefix_unchanged": true,
   "units": "metre",
   "upAxis": "Z",
   "plane_z_mm": -0.02,
   "pad_outline": "copper perimeter, not solder mask or paste",
   "dash_mm": 0.07,
   "gap_mm": 0.045,
   "silkscreen_path_count": 2,
   "silkscreen_opacity": 0.3,
   "pad_outline_opacity": 0.5,
   "pad_outline_color": "teal #00E6DC",
   "uninstantiated_reference_placeholder": "omitted from component display",
   "pad_name_opacity": 0.5,
   "pad_label_height_mm": 0.3,
   "pad_names": "signal names resolved through canonical pin-to-pad mapping; active-low overbars preserved",
   "library_sha256": "ac5ac4a3c676a161db1104e9caa774058db5cf5760f24ee1271e117ebcb82e24",
   "pads": [
    {
     "number": "1",
     "drill_boundary_drawn": false,
     "signal_name": "1",
     "display_name": "1",
     "pad_number_fallback": true,
     "active_low_overbar": false,
     "center_mm": [
      -0.5,
      -0.0
     ],
     "copper_size_mm": [
      0.6,
      0.5
     ],
     "copper_outline_bounds_mm": [
      [
       -0.8,
       -0.25
      ],
      [
       -0.2,
       0.25
      ]
     ],
     "label_position_mm": [
      -1.2160000000000002,
      -0.0
     ]
    },
    {
     "number": "2",
     "drill_boundary_drawn": false,
     "signal_name": "2",
     "display_name": "2",
     "pad_number_fallback": true,
     "active_low_overbar": false,
     "center_mm": [
      0.5,
      -0.0
     ],
     "copper_size_mm": [
      0.6,
      0.5
     ],
     "copper_outline_bounds_mm": [
      [
       0.2,
       -0.25
      ],
      [
       0.8,
       0.25
      ]
     ],
     "label_position_mm": [
      1.2096,
      -0.0
     ]
    }
   ],
   "overlay_nodes": 3,
   "limitations": [
    "Nonphysical reference lines, not a manufacturing layer or manufacturer STEP geometry.",
    "Silkscreen text follows source text/placement but uses the supplied display font.",
    "Physical body can occlude artwork on the seating plane; inspect underside or hide the body."
   ]
  }
 },
 "finishing": {
  "tool": "finalize.py (JSON chunk only, binary buffer untouched)",
  "tool_sha256": "2b97fc95d2236b55aa97548a3bf0694fe7049257d9853f0b12812ec86f6f6ef5",
  "changes": [
   "declared extras.adomLayer: component, fp_pad_outlines, fp_silkscreen, fp_pad_labels",
   "authored extras.tooltip on the physical nodes",
   "laser inlay node renamed Adom.LaserEtch.MPN with virtual-mark extras"
  ]
 },
 "conversion": {
  "service": "step2glb convert (shared service-step2glb)",
  "posed_step_sha256": "cddd248a943c4cd15c64eb432fb09d56a1ea1823545b59f99afe652724c82277"
 },
 "counts": {
  "triangles_before_glb": 244,
  "triangles_base_glb": 514,
  "triangles_hero_glb": 906,
  "etch_nodes": 1,
  "adom_layers": [
   "component",
   "fp_pad_labels",
   "fp_pad_outlines",
   "fp_silkscreen"
  ]
 },
 "limitations": [
  "Reference art is display-only, not a manufacturing layer.",
  "Silkscreen and labels are hairline outlines; zoom in to read them.",
  "The MPN mark is a virtual identification aid, not the manufacturer marking."
 ],
 "etched_step": {
  "file": "etched.step",
  "sha256": "8a4f27be185eef99076d4a1a87846423b548a98f2d9fa0d1dc526f222a9d9ed4",
  "frame": "same as the original STEP (drop-in)",
  "source_sha256": "91507e5af4251cb4ef38e04889c9b98da29904432bd83786bba13ae9b605eacb",
  "tool": "aiflow-work/merged/tools/laser-etch/etch_part.py (adom-chip-laser service + merge_etch.py flat) [+ _tools/seat_mark.py where the body top sits below the terminations]",
  "note": ""
 }
}