{
  "title": "电子签名导出后少笔画，怎样对照原始轨迹与成图",
  "evidence_type": "synthetic-not-field-measurement",
  "date": "2026-10-23",
  "required_deliverable": "含快速连笔和边缘笔画的轨迹样本与导出图对照",
  "fields": [
    "time_ms",
    "stroke_id",
    "phase",
    "x",
    "y"
  ],
  "sample_rows": [
    [
      0,
      1,
      "down",
      10,
      10
    ],
    [
      10,
      1,
      "move",
      50,
      30
    ],
    [
      20,
      1,
      "up",
      90,
      10
    ],
    [
      40,
      2,
      "down",
      2,
      80
    ],
    [
      50,
      2,
      "up",
      98,
      80
    ]
  ],
  "unmeasured": "已解析匿名几何轨迹并生成参考SVG；未采集个人签名，未验证实际产品导出PNG。"
}