main
John Lauer Frame cached chip previews from model geometry and record camera-specific cache identity 79ed791 29d ago
{
  "schema": "adom/chip-artwork-cache@1",
  "mpn": "74LVC2G07GV-Q100H",
  "generatedBy": "OCCT 8 HLR from original full model and Adom Chip Laser inlay",
  "generatedAtIso": "2026-09-10T13:29:36.514839+00:00",
  "cacheKey": "b25096d50acd7f1b30ea244889e97a7fe025f944bb94983ef0cbcb47bde7bcfb",
  "recipe": {
    "schema": "adom/chip-artwork-cache@1",
    "sourceStepSha256": "0c95a3ba13d15b20c0d03fd8f85580d5eff01642503c57909016fef54634b8e4",
    "displayGlbSha256": "5d302fbaf45b76b8ee8459502ae324760faeb24f7e12bbd1da29b28cebd366fb",
    "markStepSha256": "a3cbc6bd69f8c6bfd06f01777f84ee7bcc5184a0e69477a8e9dab3de5d4a7b59",
    "sourceToDisplayMm": [
      [
        0.0,
        0.0,
        1.0,
        -2.131954385256544
      ],
      [
        1.0,
        0.0,
        0.0,
        -1.3809082207861485
      ],
      [
        0.0,
        1.0,
        0.0,
        -1.2606962318374841
      ],
      [
        0.0,
        0.0,
        0.0,
        1.0
      ]
    ],
    "markToDisplayMm": [
      [
        0.0,
        -1.0,
        0.0,
        -0.45
      ],
      [
        1.0,
        0.0,
        0.0,
        0.0
      ],
      [
        0.0,
        0.0,
        1.0,
        0.006
      ],
      [
        0.0,
        0.0,
        0.0,
        1.0
      ]
    ],
    "view": [
      1,
      -1,
      0.85
    ],
    "right": [
      1,
      1,
      0
    ],
    "upAxis": "Z",
    "units": "mm",
    "chordToleranceMm": 0.002,
    "generatorSha256": "1345c71ea042660d76b402748d73d1fcda589834b1fb2fdd7132d91dab201612",
    "shadedPreview": {
      "camera": [
        0.0045344353544199915,
        -0.004534435179797009,
        0.004357246746571628
      ],
      "target": [
        5.8207660262946104e-11,
        1.1641532182693479e-10,
        0.0005029767447911448
      ],
      "up": [
        0,
        0,
        1
      ],
      "sourceSha256": "5d302fbaf45b76b8ee8459502ae324760faeb24f7e12bbd1da29b28cebd366fb",
      "method": "Babylon9 render target from currently reviewed wiki GLB; reference artwork temporarily hidden, camera restored; no re-etch"
    }
  },
  "source": {
    "step": "SOT457.step",
    "displayGlb": "74LVC2G07GV-Q100H.adom-reference-marked-v4.glb",
    "markStep": "artwork/74LVC2G07GV-Q100H-inlay-source.step"
  },
  "marking": {
    "text": "74LVC2G07GV-Q100H",
    "placement": "Top cap, along long package axis and offset 0.45 mm toward the blank edge to avoid central manufacturer mark",
    "manufacturerMarking": false
  },
  "review": {
    "orientation": "Z-up display reviewed; native seating and pin-1 separate",
    "markingPlacement": "Previously visually reviewed display placement retained exactly",
    "projectedArtwork": "Visually inspected: corrected MPN placement retained; chip geometry and top features visible. Native CAD qualification is separate."
  },
  "assets": [
    {
      "kind": "chip-shaded",
      "label": "3D chip",
      "path": "artwork/74LVC2G07GV-Q100H-chip-reviewed-v2.png",
      "format": "png",
      "width": 800,
      "height": 600,
      "sizeBytes": 87279,
      "sha256": "e496799fe7fde8fc34ab0a7173d913ba71be21f1431210333a0fe1bf4be7676a"
    },
    {
      "kind": "chip-outline-preview",
      "label": "Chip outline",
      "path": "artwork/74LVC2G07GV-Q100H-chip-outline-preview.png",
      "format": "png",
      "width": 960,
      "height": 960,
      "transparent": true,
      "sizeBytes": 17139,
      "sha256": "1745571168c428efa7e148749912f8b4f7a5a597147e5279573ddbc6cc820d1e"
    },
    {
      "kind": "chip-outline",
      "style": "symbol",
      "path": "artwork/74LVC2G07GV-Q100H-3d-outline-reviewed-symbol.svg",
      "format": "svg",
      "width": 320,
      "height": 320,
      "transparent": true,
      "sizeBytes": 62219,
      "sha256": "3949ab6d9e80ace0d2a05145e0971dc3713fc405224ad585a204038e078b2ef2"
    },
    {
      "kind": "chip-outline",
      "style": "teal",
      "path": "artwork/74LVC2G07GV-Q100H-3d-outline-reviewed-teal.svg",
      "format": "svg",
      "width": 320,
      "height": 320,
      "transparent": true,
      "sizeBytes": 62219,
      "sha256": "a2f08f163bf66bce481fca4e4b035c28e14459b0270ff6b51e7b94b813723105"
    },
    {
      "kind": "chip-outline",
      "style": "dark",
      "path": "artwork/74LVC2G07GV-Q100H-3d-outline-reviewed-dark.svg",
      "format": "svg",
      "width": 320,
      "height": 320,
      "transparent": true,
      "sizeBytes": 62219,
      "sha256": "921e63bdcfde325d2c5f7f57f066534a44030d3df0e840f47b3b5d16ec15deae"
    },
    {
      "kind": "symbol-polyline-source",
      "path": "artwork/74LVC2G07GV-Q100H-chip-outline-polylines.json",
      "format": "json",
      "sizeBytes": 24752,
      "sha256": "99accc983baf8d28ed8b208b67102dfd2da3061375d6ad2e27c5494ce58e324e"
    },
    {
      "kind": "artwork-step",
      "path": "artwork/74LVC2G07GV-Q100H-reviewed-artwork.step",
      "format": "step",
      "sizeBytes": 1903962,
      "sha256": "2fd16be5bcf3a10ad89b90a795c7ffd37511354f837432c40a8bef63bd5f9c7a",
      "limitations": "Uncolored presentation derivative with virtual mark. Use original manufacturer STEP for physical design."
    },
    {
      "kind": "mark-source",
      "path": "artwork/74LVC2G07GV-Q100H-inlay-source.step",
      "format": "step",
      "sizeBytes": 2716970,
      "sha256": "a3cbc6bd69f8c6bfd06f01777f84ee7bcc5184a0e69477a8e9dab3de5d4a7b59",
      "limitations": "Selected body plus virtual inlay, not the complete physical component."
    }
  ],
  "hints": [
    "Reuse these cached assets before generating anything.",
    "Verify source hashes and recipe before reuse; changed source, pose, marking placement or projection makes the affected cache stale.",
    "Do not run generic top-face name emboss on this already marked derivative.",
    "SVG pixel Y-down is a 2D projection convention; physical source-to-display is explicitly Z-up.",
    "Manufacturer model authority, virtual marking review and native electrical/mechanical qualification are separate."
  ],
  "verification": {
    "status": "matched-at-publication",
    "checkedAtIso": "2026-09-10T13:47:15.455458+00:00",
    "checks": [
      "Live source STEP hash",
      "Live displayed GLB hash",
      "All cached asset hashes"
    ],
    "notContinuous": true
  }
}