{
  "protocol": "lean-source-v1",
  "passID": "first-source-pass",
  "annotator": "Codex current session; provisional visual estimates, not independent human ground truth",
  "earlierValuesHidden": true,
  "computedOrderingHidden": true,
  "modelProposalsHidden": true,
  "manifestHash": "28578e415e0f68d5d00bc56bc509738ae8806e8cf2d3758951004fd17e6ec6ee",
  "annotations": [
    {
      "frameID": "P05-subject",
      "file": "Screenshot 2026-09-14 at 10.20.27\u202fAM.png",
      "sourceHash": "79e57a0a2bf51ea37dd7dbd03f72d1f355a8a191f8700114ddea4412817a0e83",
      "panel": {
        "x": 0,
        "y": 0,
        "width": 1747,
        "height": 1059
      },
      "endpoints": [
        {
          "x": 849,
          "y": 654
        },
        {
          "x": 730,
          "y": 812
        }
      ],
      "uncertaintyPixels": 20,
      "cue": "visible-front-tire-long-axis",
      "status": "provisional",
      "intendedBike": "white helmet, silver motorcycle",
      "referenceStatus": "unreviewed",
      "referenceNote": "Curved road/grass boundary: no two matched stationary points established; distant tree shapes do not establish a local road normal.",
      "alternativeCue": "Fork edges and short tire tangents excluded; upper tire extent is partially covered, so midpoint placement remains provisional."
    },
    {
      "frameID": "P05-reference",
      "file": "Screenshot 2026-09-14 at 10.20.12\u202fAM.png",
      "sourceHash": "2816aaff418f770a75292863322a1f277d9a1d182c864219ef31c90a66f03f95",
      "panel": {
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      },
      "endpoints": [
        {
          "x": 917,
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        },
        {
          "x": 795,
          "y": 833
        }
      ],
      "uncertaintyPixels": 20,
      "cue": "visible-front-tire-long-axis",
      "status": "provisional",
      "intendedBike": "multicolored helmet, brightly liveried motorcycle",
      "referenceStatus": "unreviewed",
      "referenceNote": "Curved road/grass boundary: no two matched stationary points established; distant tree shapes do not establish a local road normal.",
      "alternativeCue": "Fork edges and short tire tangents excluded; upper tire extent is partially covered, so midpoint placement remains provisional."
    },
    {
      "frameID": "P06-subject",
      "file": "Screenshot 2026-09-14 at 10.21.00\u202fAM.png",
      "sourceHash": "5a3f379bde349edd47873b746c24777803cc65af9e5d9923d286e10444542384",
      "panel": {
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        "height": 1057
      },
      "endpoints": [
        {
          "x": 1322,
          "y": 617
        },
        {
          "x": 1230,
          "y": 760
        }
      ],
      "uncertaintyPixels": 20,
      "cue": "visible-front-tire-long-axis",
      "status": "provisional",
      "intendedBike": "white helmet, silver motorcycle; image right, exclude foreground red motorcycle",
      "referenceStatus": "unreviewed",
      "referenceNote": "Distant white structure appears in both panels, but edges are blurred and occluded; no two exact corresponding points approved. Different image positions and headings require perspective review.",
      "alternativeCue": "Fork edges and short tire tangents excluded; upper tire extent is partially covered, so midpoint placement remains provisional."
    },
    {
      "frameID": "P06-reference",
      "file": "Screenshot 2026-09-14 at 10.20.43\u202fAM.png",
      "sourceHash": "3bf1ff737ec35902c51a0b377e4b79d37ed2b0fd86815bff1b408a45ac026670",
      "panel": {
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        "height": 1058
      },
      "endpoints": [
        {
          "x": 774,
          "y": 603
        },
        {
          "x": 666,
          "y": 761
        }
      ],
      "uncertaintyPixels": 20,
      "cue": "visible-front-tire-long-axis",
      "status": "provisional",
      "intendedBike": "multicolored helmet, brightly liveried motorcycle",
      "referenceStatus": "unreviewed",
      "referenceNote": "Distant white structure appears in both panels, but edges are blurred and occluded; no two exact corresponding points approved. Different image positions and headings require perspective review.",
      "alternativeCue": "Fork edges and short tire tangents excluded; upper tire extent is partially covered, so midpoint placement remains provisional."
    }
  ]
}