{"id":"https://data.mapsnap.org/runs/v2.0/iiif/chronoscope/sanborn01129_003.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Greenwich, Connecticut | 1891 | mapsnap generated fit (2026-10-18)","creator":{"type":"Software","name":"mapsnap","homepage":"https://mapsnap.org"},"rights":"https://opendatacommons.org/licenses/odbl/1-0/","metadata":[{"label":"generated","value":"2026-10-18"},{"label":"run","value":"corpus-v2"},{"label":"pages","value":"3"},{"label":"placed","value":"2"},{"label":"unplaced","value":"1"},{"label":"fit sources","value":"georef 1, georef-snap 1"},{"label":"key map","value":"none"},{"label":"split sheets","value":"1 sheet(s) cut into 2 panels"},{"label":"unplaced pages","value":"p1__2 (tier 4, 41.03121,-73.62686 +/-165m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784gm:g3784gm_g011291891:01129_1891-0001__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Greenwich, Connecticut | 1891 | sanborn01129_003 p1 [1]","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"5"},{"label":"confidence","value":"0.32"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"6452.0"},{"label":"split_canvas_h","value":"7652.0"}],"created":"2026-10-18T07:05:48Z","modified":"2026-10-18T07:05:48Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784gm:g3784gm_g011291891:01129_1891-0001__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784gm:g3784gm_g011291891:01129_1891-0001","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1433.0,1405.7 1612.0,912.9 1612.0,854.8 1575.5,814.8 1564.5,91.2 1217.5,9.7 60.3,39.4 59.1,669.3 154.1,750.4 377.4,776.9 471.4,879.8 465.9,1000.0 340.9,1133.8 307.9,1137.7 296.5,1112.9 153.8,1117.4 85.8,1169.1 152.6,1265.2 50.2,1348.2 52.0,1671.5 140.7,1768.7 507.8,1768.9 576.1,1832.3 1022.9,1885.4 1028.8,1912.0 1118.1,1912.0 1442.3,1612.2 1433.0,1405.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784gm:g3784gm_g011291891:01129_1891-0001__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1436.0,662.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-73.6256305,41.0323173]}},{"type":"Feature","properties":{"resourceCoords":[1436.0,1457.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-73.6268692,41.0312941]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784gm:g3784gm_g011291891:01129_1891-0002/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Greenwich, Connecticut | 1891 | sanborn01129_003 p2","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.36"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T07:05:48Z","modified":"2026-10-18T07:05:48Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784gm:g3784gm_g011291891:01129_1891-0002/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784gm:g3784gm_g011291891:01129_1891-0002","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"407.9,1.0 394.6,1.0 258.4,118.2 134.8,121.0 131.4,502.9 54.6,591.0 66.5,1016.7 138.6,1095.5 134.8,1806.9 237.9,1797.0 316.7,1878.2 1550.0,1857.8 1612.0,917.5 1612.0,909.8 1571.0,156.2 1505.8,79.7 1525.1,24.4 999.4,101.4 833.6,200.6 443.3,66.7 407.9,1.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd378m:g3784m:g3784gm:g3784gm_g011291891:01129_1891-0002/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[797.0,199.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-73.62718704577438,41.031067173565454]}},{"type":"Feature","properties":{"resourceCoords":[1588.0,1639.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-73.62416507435046,41.02901982552954]}}]}}]}