{
  "schemaVersion": 1,
  "artifactType": "original-task-practice-definition",
  "taskId": "cylinder-roll-translate-rotate",
  "family": "B",
  "evidenceClass": "method-not-independently-tested",
  "createdAt": "2026-10-21T15:59:01.000Z",
  "modelId": "MiniMax-H3",
  "mode": "image-to-video",
  "title": {
    "en": "MiniMax H3 rolling-cylinder prompt: couple travel with rotation",
    "zh": "MiniMax H3 圆柱滚动提示词：把位移与转动一起检查"
  },
  "task": {
    "en": "Move one cylinder a short distance to frame right while its marked end rotates clockwise. The useful distinction is between rolling, sliding and a camera tracking past a stationary product.",
    "zh": "让一个圆柱向画面右侧滚动一小段，同时端面标记顺时针转动。这里要区分滚动、滑行，以及镜头经过静止商品。"
  },
  "input": {
    "file": "first-frame.png",
    "designSource": "first-frame.svg",
    "role": "first-frame",
    "kind": "synthetic-original-geometric-practice-input",
    "width": 1024,
    "height": 1024,
    "modelOutput": false
  },
  "interface": {
    "variant": "base",
    "addEndFrameEnabled": true,
    "firstFrame": "first-frame.png",
    "lastFrame": null,
    "fastCompatible": false,
    "automaticSubmission": false
  },
  "constraints": {
    "en": "Track three things independently: the end-face center, the stripe's orientation and the lowest visible floor contact. A rotating stripe alone does not prove that the object traveled.",
    "zh": "分别跟踪端面中心、标记方向和最低接地点。只有标记转动，并不能证明圆柱发生了位移。"
  },
  "acceptance": {
    "en": [
      "The center travels right relative to the stationary floor landmarks.",
      "The stripe rotates clockwise while the end face remains a single stable shape.",
      "Floor contact remains visible; the object neither hovers nor changes diameter.",
      "Translation and rotation both stop in the ending hold."
    ],
    "zh": [
      "中心相对固定地面参照物向右移动。",
      "浅色标记顺时针转动，端面保持单一完整形状。",
      "接地点持续可见，没有悬浮或直径变化。",
      "结尾位移和旋转都停止。"
    ]
  },
  "ending": {
    "en": "The same cylinder rests farther right with a changed stripe angle, stable diameter and visible floor contact.",
    "zh": "同一个圆柱在更靠右的位置停稳，标记角度已改变，直径与地面接触保持。"
  },
  "limits": {
    "en": "This is a qualitative rolling-continuity exercise. It does not certify friction, inertia, exact angular velocity or a no-slip distance equation.",
    "zh": "这是定性的滚动连续性练习，不验证摩擦、惯性、角速度或无滑动距离公式。"
  },
  "distinctTaskBoundary": {
    "en": "The shoe-slide page keeps its object stationary and moves the camera; the watch page turns a hand around a fixed center; the drop page focuses on impact. Here both center travel and end-face rotation must be observed together. Rolling barrels in a historical battle prompt are contextual motion, not this supplied input and diagnostic method.",
    "zh": "鞋子横移页是物体不动、相机移动；秒针页围绕固定中心旋转；落物页检查撞击。这里同时检查中心位移与端面转动。历史海战长片中的滚动木桶只是环境动作，不等于本页已被完整交付。"
  },
  "nearestExistingTemplatePaths": [
    "/templates/shoe-sideways-camera-slide",
    "/templates/watch-second-hand-single-step",
    "/templates/fruit-slice-one-drop-contact"
  ],
  "demandClass": "historical-parent-query-and-task-operation-findability; exact-task-demand-unmeasured",
  "execution": {
    "modelRun": false,
    "outputAsset": null,
    "providerSuccessClaim": false
  }
}