{
  "source_file": "2023BaViNematode9(3).jpg",
  "source_sha256": "7860fe081fc95982219023369d75e9709fefe77446d13dcec6d0cd6f07b0f046",
  "source_dimensions_px": [
    1600,
    1200
  ],
  "coordinate_system": "x right; y down; origin top-left of uploaded JPEG",
  "annotation_method": "assistant-initialized manual polygon tracing of apparent outer bright rim",
  "boundary_definition": "outer apparent edge of bright rim; stalk excluded; visual estimate at JPEG resolution",
  "review_status": "awaiting independent human anatomical and boundary review",
  "calibration_status": "missing",
  "physical_units": null,
  "specimen_count": "not established; two profiles from one image are not two independent specimens",
  "taxonomy": "Physaloptera context supplied by archive labels; no new species identification",
  "legacy_mapping": {
    "Nematode_Figures_1-3 left circular cap crop": "visually corresponds to R1",
    "fig_shape_* central_cap": "unresolved",
    "fig_shape_* left_large_cap": "unresolved; similar naming alone does not establish the same coordinates"
  },
  "claim_limit": "exploratory projected-image morphology; no identification accuracy or biological difference claim",
  "radial_sensitivity": "uniform radial perturbation of every vertex by -2 or +2 source pixels, not uncertainty bounds or confidence intervals",
  "normalization": "area centroid; y-axis inversion; principal-axis alignment from 256 equally spaced arc-length samples; coordinates divided by sqrt(area); no reflection; 180-degree orientation remains arbitrary",
  "rois": {
    "R1": {
      "crop_xyxy": [
        655,
        330,
        770,
        435
      ],
      "vertices_source_xy": [
        [
          675.4,
          377.0
        ],
        [
          679.4,
          371.0
        ],
        [
          685.0,
          365.6
        ],
        [
          691.8,
          361.4
        ],
        [
          700.2,
          358.0
        ],
        [
          709.2,
          355.8
        ],
        [
          717.8,
          355.2
        ],
        [
          725.6,
          356.8
        ],
        [
          732.6,
          360.0
        ],
        [
          738.6,
          365.4
        ],
        [
          742.6,
          372.2
        ],
        [
          743.8,
          379.6
        ],
        [
          741.6,
          386.8
        ],
        [
          738.0,
          393.2
        ],
        [
          732.6,
          399.0
        ],
        [
          725.8,
          403.4
        ],
        [
          717.2,
          407.4
        ],
        [
          708.8,
          409.4
        ],
        [
          700.4,
          409.4
        ],
        [
          692.6,
          408.0
        ],
        [
          685.2,
          404.6
        ],
        [
          680.4,
          399.6
        ],
        [
          677.6,
          394.0
        ],
        [
          675.8,
          387.8
        ],
        [
          675.0,
          382.0
        ]
      ],
      "anatomical_label": "candidate terminal profile of a stalked caudal papilla; expert review pending"
    },
    "R2": {
      "crop_xyxy": [
        927,
        560,
        1050,
        677
      ],
      "vertices_source_xy": [
        [
          952.0,
          605.4
        ],
        [
          955.6,
          599.2
        ],
        [
          961.4,
          593.8
        ],
        [
          968.4,
          589.4
        ],
        [
          976.2,
          586.0
        ],
        [
          984.2,
          584.4
        ],
        [
          992.6,
          585.0
        ],
        [
          1000.2,
          586.8
        ],
        [
          1007.0,
          591.0
        ],
        [
          1013.2,
          596.6
        ],
        [
          1017.6,
          602.8
        ],
        [
          1021.6,
          609.6
        ],
        [
          1023.6,
          616.6
        ],
        [
          1023.4,
          623.0
        ],
        [
          1019.6,
          629.6
        ],
        [
          1015.0,
          635.4
        ],
        [
          1009.0,
          640.2
        ],
        [
          1001.8,
          643.6
        ],
        [
          993.8,
          645.2
        ],
        [
          986.0,
          645.0
        ],
        [
          978.2,
          642.8
        ],
        [
          970.8,
          640.2
        ],
        [
          965.0,
          636.4
        ],
        [
          960.2,
          631.2
        ],
        [
          956.4,
          624.8
        ],
        [
          954.0,
          618.0
        ],
        [
          952.4,
          611.8
        ]
      ],
      "anatomical_label": "candidate terminal profile of a stalked caudal papilla; expert review pending"
    }
  }
}