{
  "schemaVersion": 1,
  "title": "4DAnyone capability audit and view/time inspection worksheet",
  "createdAt": "2026-10-02T14:07:37.158Z",
  "provenance": "Original documentation-to-decision audit assembled from the linked primary sources. Observation cells are an authored test template, not a generated-output dataset.",
  "scope": "Public research documentation and visible availability indicators only. No inference, reconstruction, GPU performance, game-engine import, or commercial clearance was tested.",
  "sources": [
    {
      "id": "paper",
      "title": "4DAnyone: Create Anyone in 4D from a Casual Monocular Video",
      "publisher": "4DAnyone research team",
      "url": "https://arxiv.org/abs/2608.20335",
      "accessedAt": "2026-10-02T14:07:37.158Z"
    },
    {
      "id": "project",
      "title": "4DAnyone project, method, and research demonstrations",
      "publisher": "4DAnyone research team",
      "url": "https://4danyone.github.io/",
      "accessedAt": "2026-10-02T14:07:37.158Z"
    },
    {
      "id": "code",
      "title": "4DAnyone README: input, release history, and output structure",
      "publisher": "4DAnyone research team",
      "url": "https://github.com/ant-research/4DAnyone",
      "accessedAt": "2026-10-02T14:07:37.158Z"
    },
    {
      "id": "reconstruction",
      "title": "Nerfstudio reconstruction guide and current 4DGS limitation",
      "publisher": "4DAnyone research team",
      "url": "https://github.com/ant-research/4DAnyone/blob/main/docs/nerfstudio.md",
      "accessedAt": "2026-10-02T14:07:37.158Z"
    },
    {
      "id": "model",
      "title": "4DAnyone model card and asset-specific licensing",
      "publisher": "Ant Research",
      "url": "https://huggingface.co/AntResearch/4DAnyone",
      "accessedAt": "2026-10-02T14:07:37.158Z"
    },
    {
      "id": "rerun",
      "title": "4DAnyone × Rerun Space",
      "publisher": "Rerun",
      "url": "https://huggingface.co/spaces/rerun/4danyone-rerun",
      "accessedAt": "2026-10-02T14:07:37.158Z"
    },
    {
      "id": "rerun-readme",
      "title": "4DAnyone × Rerun: six-view demo contract",
      "publisher": "Rerun",
      "url": "https://huggingface.co/spaces/rerun/4danyone-rerun/blob/main/README.md",
      "accessedAt": "2026-10-02T14:07:37.158Z"
    },
    {
      "id": "licenses",
      "title": "4DAnyone third-party notices",
      "publisher": "4DAnyone research team",
      "url": "https://github.com/ant-research/4DAnyone/blob/main/docs/THIRD_PARTY_NOTICES.md",
      "accessedAt": "2026-10-02T14:07:37.158Z"
    }
  ],
  "decisionAudit": [
    {
      "id": "predicted_views",
      "sourceIds": [
        "paper",
        "project"
      ],
      "documentedFinding": "Novel viewpoints are generated from one source video.",
      "inspectionDecision": "Separate inferred hidden appearance from detail observed by the source camera.",
      "evidenceKind": "documentation_review"
    },
    {
      "id": "six_view_space",
      "sourceIds": [
        "rerun-readme"
      ],
      "documentedFinding": "The Space documents six synchronized target MP4s and a fixed camera ring.",
      "inspectionDecision": "Review view agreement and timeline agreement separately.",
      "evidenceKind": "documentation_review"
    },
    {
      "id": "demo_access",
      "sourceIds": [
        "rerun",
        "model"
      ],
      "documentedFinding": "Space page displayed Running on Zero; model card reported no deployed Inference Provider.",
      "inspectionDecision": "Check current quota/access; a page status is not a successful generation.",
      "evidenceKind": "page_inspection"
    },
    {
      "id": "source_contract",
      "sourceIds": [
        "code"
      ],
      "documentedFinding": "Official source guidance: one person, clear footage, mild camera motion, 9:16, 1080p+, >=121 frames.",
      "inspectionDecision": "Record source segment and processed demo settings separately.",
      "evidenceKind": "documentation_review"
    },
    {
      "id": "inference_files",
      "sourceIds": [
        "code"
      ],
      "documentedFinding": "Documented outputs include target MP4s, camera JSON, skeleton conditioning, and motion files.",
      "inspectionDecision": "Require separate evidence for mesh, rig, export, or engine compatibility.",
      "evidenceKind": "documentation_review"
    },
    {
      "id": "static_reconstruction",
      "sourceIds": [
        "reconstruction"
      ],
      "documentedFinding": "Nerfstudio guide covers one synchronized timestamp; paper FreeTimeGS implementation is not public.",
      "inspectionDecision": "Do not equate this static route with a reproduced 4DGS pipeline.",
      "evidenceKind": "documentation_review"
    },
    {
      "id": "component_terms",
      "sourceIds": [
        "licenses",
        "model"
      ],
      "documentedFinding": "First-party Apache-2.0 coexists with restricted third-party components and asset-specific terms.",
      "inspectionDecision": "Review the exact component set before any commercial-use decision.",
      "evidenceKind": "documentation_review"
    }
  ],
  "runRecord": {
    "status": "not_run",
    "runAt": null,
    "sourceClipReference": null,
    "sourceMediaPermissionRecord": null,
    "sourceStartSeconds": null,
    "sourceFrameRate": null,
    "sourceFrameCount": null,
    "repositoryRevision": null,
    "modelRevision": null,
    "spaceRevision": null,
    "settings": null,
    "hardware": null,
    "generationSeconds": null,
    "peakMemoryGiB": null,
    "outputReferences": null,
    "componentLicenseReview": null
  },
  "rubric": {
    "allowedOutcomes": [
      "pass",
      "issue",
      "uncertain"
    ],
    "instructions": [
      "Compare source-aligned moments across views, then inspect each full clip through time.",
      "Populate exact frame indices before inspection and add checkpoints around occlusions.",
      "Generated cross-view agreement cannot verify the true appearance of an unseen surface.",
      "Record observable issues and uncertainty separately. Do not treat missing results as passes."
    ],
    "checks": [
      "hands_and_limbs",
      "silhouette",
      "accessory_continuity",
      "occlusion",
      "action_timing"
    ]
  },
  "inspectionCells": [
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}