{
  "caseId": "planetary-reducer",
  "assessmentType": "AI independent qualitative observations plus executable geometry/math/media checks; not human blind scoring",
  "status": "independent-audit-complete",
  "summaryZh": "齿数、尺寸、渐开线、轴向爆炸及解析运动学通过独立抽样检查；行星架与轴的UV有真实重叠，配合公差未验证，不能称生产或引擎就绪。",
  "summaryEn": "Independent samples verify tooth counts, dimensions, involute profiles, coaxial explosion and analytic kinematics. Carrier/shaft UVs overlap and fit tolerances remain unverified; this is not a production- or engine-ready asset.",
  "assessmentZh": [
    "实测24/3×18/60齿、模数约2mm、20mm齿宽、约20°渐开线，行星中心42mm/120°均布。",
    "7时点42对BVH表面交叠检查为0；22部件爆炸只沿轴线平移。这不是接触应力或承载认证。",
    "144帧实际太阳轮/行星架角速比约3.5，内圈固定，行星绝对角速比约−7/3；是解析机构动画，不是相机转台或动力学。",
    "LOD0/1/2实测160930/22120/9218三角；行星架/轴UV各至少25对正面积相交。公差未验，轻微机加工纹理未实际表达；备用图轴顶裁切。",
    "公开工程仅删除嵌入的来源附件文本，未改几何/材质/相机/动作/代码；原工程和公开副本SHA及保存后重开指纹见下载记录。"
  ],
  "assessmentEn": [
    "Measured 24/3×18/60 teeth, module about 2mm, 20mm face width, approximately 20° involute profiles and a 42mm/120° planet layout.",
    "Forty-two sampled BVH surface-pair checks over seven times find no intersections; 22 exploded components move only axially. This is not contact-stress or load certification.",
    "All 144 frame matrices give sun/carrier ≈3.5, a fixed ring and planet/carrier absolute ratio ≈−7/3: analytic mechanism motion rather than a camera orbit or dynamics.",
    "Evaluated LOD0/1/2 counts are 160930/22120/9218 triangles. Carrier/shaft UVs each have at least 25 positive-area overlaps. Fit tolerances are unverified, machining microtexture is absent and the alternate view crops the shaft top.",
    "The public project only removes an embedded source-attachment text; geometry/materials/cameras/actions/code remain unchanged. Original/public hashes and reopened structural fingerprints are downloadable."
  ],
  "checks": [
    {
      "labelZh": "机械几何与解析运动",
      "labelEn": "Geometry and analytic motion",
      "status": "pass",
      "detailZh": "按原始几何、144帧矩阵、7时点BVH和爆炸位移独立检查。",
      "detailEn": "Independent native geometry, all-frame matrices, seven-time BVH and explosion checks."
    },
    {
      "labelZh": "UV与生产适用性",
      "labelEn": "UV and production readiness",
      "status": "fail",
      "detailZh": "实际UV相交，制造配合与引擎性能未验；不能用LOD存在替代资产全通过。",
      "detailEn": "UV intersections confirmed; manufacturing fits and engine performance unverified. LOD presence is not a blanket asset pass."
    }
  ],
  "independentAudit": {
    "verdictZh": "机械几何和解析运动学完成度较高，啮合与轴向爆炸经独立检查成立；UV无重叠要求未满足，配合公差/引擎性能仍未验证，因此不应直接称生产或游戏引擎就绪资产。",
    "caseCriteria": [
      {
        "id": "P01",
        "status": "pass",
        "evidenceZh": "真实径向轮廓计数：太阳24，三行星各18，内圈60；没有使用名称/custom property作为计数依据。"
      },
      {
        "id": "P02",
        "status": "pass",
        "evidenceZh": "齿宽均约20mm；42mm中心距结合实测齿数反推模数2.00000007mm；每个齿轮取6条实测齿廓拟合渐开线，压力角约20°。这是离散网格齿廓验证，不是刀具齿根/制造认证。"
      },
      {
        "id": "P03",
        "status": "pass",
        "evidenceZh": "太阳实测齿顶φ52、齿根φ43、孔φ12mm；分度φ48mm是由中心距/齿数及拟合齿廓一致性得到的构造量。"
      },
      {
        "id": "P04",
        "status": "pass",
        "evidenceZh": "三个行星均实测齿顶φ40、齿根φ31、孔φ10mm；对应构造分度φ36mm。"
      },
      {
        "id": "P05",
        "status": "pass",
        "evidenceZh": "内圈实测齿顶φ116、齿根φ125、外径φ140mm，根部到外壁名义厚7.5mm；构造分度φ120mm。"
      },
      {
        "id": "P06",
        "status": "pass",
        "evidenceZh": "三中心半径约42mm，极角约90/210/330°，角间隔均约120°；实际齿轮轴由两平面挤出方向识别为Z轴。"
      },
      {
        "id": "P07",
        "status": "pass",
        "evidenceZh": "灰模确有相互插入的齿与齿槽；独立在帧1/25/49/73/97/121/144对三组太阳—行星及内圈—行星共42配对做求值三角表面BVH检查，交叠均0。仅证明这些采样时点未检出表面穿插，不等于连续接触/载荷认证。"
      },
      {
        "id": "P08",
        "status": "pass",
        "evidenceZh": "输入轴φ12、输出轴φ20、三销φ10、前后盘各8mm，实体/装配位置可测。没有把销帽当滚动轴承；题目没有明确要求额外轴承选型。"
      },
      {
        "id": "P09",
        "status": "not_tested",
        "evidenceZh": "实际只建名义孔轴，未给上下偏差或进行ISO配合/公差叠加计算。README明确H7/r6、H7/g6只是标注，没有伪称制造校核。"
      },
      {
        "id": "P10",
        "status": "pass",
        "evidenceZh": "由实测齿数独立得1+60/24=3.5，内圈固定、太阳输入、行星架/输出轴输出；静态理论比与下面实测动画分开。"
      },
      {
        "id": "P11",
        "status": "pass",
        "evidenceZh": "逐帧展开144个实际世界矩阵：太阳/架角增量比3.49999999，内圈0，三个行星绝对角/架约−2.333333；Willis位移残差最大约1.65e−6rad。是解析刚体运动学，不是动力学/接触应力模拟。"
      },
      {
        "id": "P12",
        "status": "pass",
        "evidenceZh": "装配/爆炸均交付；在内存启用隐藏集合后逐顶点核对22个对应部件，XY位移为0，只有沿实测Z主轴的平移，形状残差最高约1.9e−6mm。"
      },
      {
        "id": "P13",
        "status": "fail",
        "evidenceZh": "UV层存在不能判通过。太阳/行星/内圈原始齿轮UV通过独立相交检查，但前后行星架和输入/输出轴原始UV各已找出至少25对正面积三角重叠；有同一n-gon内部折叠，也有跨面重叠。不能称整个资产无重叠或引擎就绪。"
      },
      {
        "id": "P14",
        "status": "pass",
        "evidenceZh": "隐藏集合在内存启用再求值：LOD0原始46,172/求值160,930三角，LOD1求值22,120，LOD2求值9,218，确有Decimate。原题没给精确上限，不额外捏造超预算阈值；未做引擎性能/LOD切换测试。"
      },
      {
        "id": "P15",
        "status": "partial",
        "evidenceZh": "钢/行星钢/深灰铝/铸铁通过不同金属度、颜色、粗糙度可区分；材质只有Principled与Output，没有图像/程序微纹理，所以机加工细纹实现不足。原题未要求4K贴图，4K缺失不记此题失败。"
      }
    ],
    "commonCriteria": [
      {
        "id": "G01",
        "status": "pass",
        "evidenceZh": "独立Blender5.2.3、factory-startup、disable-autoexec重开成功；源文件SHA前后不变。"
      },
      {
        "id": "G02",
        "status": "pass",
        "evidenceZh": "source/含建模、齿廓、场景、渲染与封装源代码；只读审查与实际几何/影像相符，未执行提交脚本。"
      },
      {
        "id": "G03",
        "status": "pass",
        "evidenceZh": "native inventory没有外链library/image/cache/movie/sound丢失；无图像纹理/HDRI，Pillow版式所需macOS字体路径已披露。"
      },
      {
        "id": "G04",
        "status": "pass",
        "evidenceZh": "齿圈、太阳、三行星、双行星架、销和两端轴为独立可编辑三维网格；灰模确认实体齿形而非贴图。"
      },
      {
        "id": "G05",
        "status": "pass",
        "evidenceZh": "scene.scale_length约.001，模型坐标为mm，按真实顶点换算后尺寸与设计量自洽。"
      },
      {
        "id": "G06",
        "status": "pass",
        "evidenceZh": "五张最终静图已逐张打开；含两张1920×1080、两张1600×900及一张1600×900灰模近景。"
      },
      {
        "id": "G07",
        "status": "pass",
        "evidenceZh": "root媒体独立检查为1280×720/24fps/144帧/6s、无音轨、完整解码；三个contacts显示机构实际变化，世界矩阵另行证实不是纯相机转台。另补抽并查看编码帧0/24/48/72/96/120/132/143，尾帧完整。"
      },
      {
        "id": "G08",
        "status": "partial",
        "evidenceZh": "主图、爆炸、灰模可读，灰模暴露了啮合；04备用图上端轴明确出画面，装配/视频视角前盘也遮挡部分行星齿，不能称所有细节在主视角均无遮挡。"
      },
      {
        "id": "G09",
        "status": "pass",
        "evidenceZh": "装配、爆炸、灰模、LOD1/2及相机分集合；零件具名且可分别编辑。"
      },
      {
        "id": "G10",
        "status": "pass",
        "evidenceZh": "README明示EEVEE取代Cycles/OptiX、程序面积光替代HDRI、名义配合及未完成项；未声称官方benchmark分数或实测货币成本。"
      },
      {
        "id": "G11",
        "status": "pass",
        "evidenceZh": "公开工具事件显示turn9/13两轮预览修正，其后进行齿廓采样/背隙几何排错。工作PNG首轮虽覆盖，harness仍保留turn8真实地面遮挡原图immutableSnapshot1551d81f...，不能误报首轮证据丢失。"
      }
    ],
    "notVerified": [
      "ISO H7/r6 and H7/g6 tolerance bands, tolerance stack, actual press/sliding fit.",
      "Bearing selection, lubrication/seals, loaded tooth contact, stress, fatigue, efficiency or manufacturing feasibility. No extra bearing requirement was invented for source grading.",
      "Continuous collision/contact for every time between sample frames;7 sampled states do not prove an entire loaded cycle.",
      "Target game-engine import/export, collision meshes, LOD transitions, runtime performance and optimized texel density.",
      "Exact UV overlap scan was performed on selected key meshes; positive counterexamples already disprove blanket non-overlap.",
      "No independent CPU/GPU render reproduction of submitted image appearance was run; final files and valid previews were viewed."
    ],
    "measurementScopeNotes": [
      "Default hidden-collection transforms/modifiers in the general inventory are superseded for exploded/LOD evaluation by uv-lod-exploded-checks.json, which temporarily unhides in memory and never saves.",
      "Initial reviewer principal-axis heuristic failed on thick small planet gears; preserved log/attempt script and corrected to actual two-plane extrusion direction. This is a reviewer query correction, not a model failure."
    ],
    "actualMeasuredDimensionsMm": {
      "sun": {
        "tip": 52,
        "root": 43,
        "bore": 12,
        "faceWidth": 20,
        "derivedPitch": 48
      },
      "planetsEach": {
        "tip": 40,
        "root": 31,
        "bore": 10,
        "faceWidth": 20,
        "derivedPitch": 36
      },
      "ring": {
        "tip": 116,
        "root": 125,
        "outer": 140,
        "rootWall": 7.5,
        "derivedPitch": 120
      },
      "carrierPlates": {
        "count": 2,
        "thicknessEach": 8,
        "outerDiameter": 116,
        "frontAperture": 72
      },
      "shafts": {
        "input": 12,
        "output": 20
      },
      "pins": {
        "count": 3,
        "diameterEach": 10
      },
      "roundingNote": "表中按原题名义精度取整；完整浮点几何测量在原始JSON，不能解释为制造精度。"
    },
    "pipeline": {
      "lodEvaluatedTriangles": {
        "LOD0": 160930,
        "LOD1": 22120,
        "LOD2": 9218
      },
      "rawMainTriangles": 46172,
      "imageTextureCount": 0,
      "fourKTextureRequirement": "not_applicable: no4K requirement in reducer source; do not import steam-engine criterionS14",
      "uvBlanketNonOverlap": false,
      "uvConfirmedExamples": "uv-lod-exploded-checks.json raw carrier/shaft exact triangle intersections; polygon/UV coordinates retained",
      "zeroUvCaveat": "Large counts of zero-UV evaluated triangles correspond to extremely small3D surface fractions; they are not used to claim most visible surfaces collapsed. Main failure evidence is positive raw UV overlap."
    },
    "motion": {
      "identity": "Native analytic rigid-body mechanism animation; fixed camera; not dynamics/contact-stress simulation",
      "worldMatrixFramesMeasured": 144,
      "sunCarrierAngleRatio": 3.4999999900858803,
      "ringAngleChange": 0,
      "planetCarrierAbsoluteAngleRatio": "approximately−7/3 for all3",
      "sampledBvhPairChecks": 42,
      "sampledBvhSurfaceIntersections": 0,
      "endpointNote": "frames1..144 span143/144 of one nominal carrier revolution over6s; frame145 is the unrendered carrier-revolution endpoint. This is not a claim that every marked rigid-body transform forms a seamless6s loop, nor that the first/last encoded frames contain exactly3.5 full sun revolutions."
    }
  },
  "localIndependentAudit": {
    "path": "qa/planetary-reducer/content-audit.json",
    "sha256": "b98166194951a6421fe77d9b5335dc43f9b38d0ab1d04999b5fc530f8d6bdca6"
  },
  "technicalEvidence": {
    "caseId": "planetary-reducer",
    "checkedAt": "2026-10-26T18:30:00.511834+00:00",
    "sourceVideo": "cases/planetary-reducer/turntable.mp4",
    "sha256": "d7473b75534f66342c95bebcb7a05513dbfaeffb33861df80b2ecee4663a1b59",
    "immutableSnapshot": "qa/planetary-reducer/video-d7473b75534f.mp4",
    "width": 1280,
    "height": 720,
    "fps": 24.0,
    "durationSeconds": 6.0,
    "frameCount": "144",
    "audioStreams": [],
    "checks": {
      "durationWithinFrozenRange": true,
      "fullVideoAudioDecode": true,
      "dimensions": true,
      "frameRate": true,
      "motionObservedInSamples": true,
      "audioTrack": true
    },
    "allTechnicalChecksPass": true,
    "captions": [],
    "frames": [
      {
        "timeSeconds": 0.1,
        "path": "qa/planetary-reducer/frame-00-0.100s.jpg",
        "sha256": "8888343a9875d134eae97911eea87a80db3f288e00bf23bef0921bf94e4d7d32"
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        "path": "qa/planetary-reducer/frame-05-3.333s.jpg",
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      {
        "timeSeconds": 4.0,
        "path": "qa/planetary-reducer/frame-06-4.000s.jpg",
        "sha256": "6906c0713d08e4e86118f9327036b4f3cc67cee7c0bbafaa93413c5247adb071"
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        "timeSeconds": 5.333,
        "path": "qa/planetary-reducer/frame-08-5.333s.jpg",
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      {
        "timeSeconds": 5.9,
        "path": "qa/planetary-reducer/frame-09-5.900s.jpg",
        "sha256": "acdba9dc5c1f1e0789a6dbc6a94aeaec0ce292b367e30d5e53178352cd213506"
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    ],
    "contactSheets": [
      "qa/planetary-reducer/contact-01.jpg",
      "qa/planetary-reducer/contact-02.jpg",
      "qa/planetary-reducer/contact-03.jpg"
    ],
    "assessmentScope": "Container,decode,timing and sampled motion only; geometry/science/visual checks are separately reported"
  },
  "requestEvidence": [
    "/evaluations/kimi-k3-1-pro-creative/planetary-reducer/attempt-01.json"
  ],
  "originalCompleteInputSha256": "6acb4fbd03f76f248c5ed82ba658b89305605037b2c35817f1e702d31bbfeba0",
  "sourcePromptSha256": "4b2e0fcc930a262160e2804f8bfbeadc8dc98c1df6f80f8f2a8a64e5133104dd",
  "billing": {
    "basis": "subscription quota",
    "actualMonetaryCost": null
  },
  "officialBenchmarkScore": false,
  "reviewLimits": "No official benchmark score, blind human quality score, manufacturing/load certification or exhaustive subjective listening is claimed."
}