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          "sum_overlap_area_m2": 0,
          "union_overlap_area_m2": 0,
          "microsoft_area_covered_fraction": 0.0,
          "largest_overlap_fraction": 0,
          "google_90_percent_inside_microsoft": 0,
          "source_rows": []
        }
      },
      "image": {
        "filename": "lo-espejo-huella-3-v2.png",
        "sha256": "4eec9fd7c03298033fba950919c2109b09c95b95296e630ace993364b0e31a85",
        "size": [
          1024,
          768
        ],
        "metres_per_square_panel": 300,
        "north_up": true,
        "projected_crs": "EPSG:32719",
        "google_display_selection": "all scores with positive-area intersection with the target; full original geometries drawn"
      }
    }
  ],
  "source_sha256": {
    "microsoft_catalog": "b5075f25dca72c42d5f03d8260a410ae99906b21ed37dfcf46eb22660678b7e5",
    "google_csv_gzip": "b3b108abb4b711c3ff8c3fa4e96989172a6df227465578f20cd4f8494d8c1ed7",
    "candidate_sample": "8aff277cb96a09bd2f7576a8a2f5bd164ace352f13dcba4ea02eb5c51136cd1d",
    "font": "2d3b8c9031fbac92197fd800f665cbd27af3c1303a34f3ae96a6029f62d296d9",
    "helper": "01ba17ea39f6cd4ab493ba704299ea41a1dc7c15fce59eebd9863c538ac8a2d6"
  },
  "sources": [
    "Microsoft GlobalML Building Footprints, distribution 2026-08-13, CDLA-Permissive-2.0",
    "Google Open Buildings v3, inference May 2023, CC-BY-4.0"
  ],
  "source_observation_dates": null,
  "source_thresholds": "0.799 is a Google tile-967 diagnostic selector, not verified local precision",
  "counts_metadata_discrepancy": {
    "threshold": 0.977,
    "source_rows_ge": 99,
    "declared_count": 81,
    "cause": null
  },
  "limits": [
    "All comparisons are original geometries, with intersections used only to measure overlap.",
    "A contour is not a verified home or a cadastral plot; source differences may include date, offset and errors.",
    "Study candidates were selected by centroid window; not an exhaustive regional intersection catalogue.",
    "Google scores remain separate from Microsoft policy; image highlights >=0.799 for comparison only.",
    "Plot windows clip the display, not the preserved source geometries; drawings add no heights or satellite imagery."
  ],
  "root_changed": false,
  "source_integrated": false
}
