{"id":"https://data.mapsnap.org/runs/v2.0/iiif/chronoscope/sanborn05797_002.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Cambridge, New-York | 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":"10"},{"label":"placed","value":"2"},{"label":"unplaced","value":"8"},{"label":"fit sources","value":"georef 2"},{"label":"key map","value":"none"},{"label":"split sheets","value":"2 sheet(s) cut into 10 panels"},{"label":"unplaced pages","value":"p1__1 (tier 4, 43.02800,-73.38215 +/-251m); p1__2 (tier 4, 43.02800,-73.38215 +/-251m); p1__3 (tier 4, 43.02800,-73.38215 +/-251m); p1__4 (tier 4, 43.02800,-73.38215 +/-251m); p1__5 (tier 4, 43.02800,-73.38215 +/-251m); p1__6 (tier 4, 43.02800,-73.38215 +/-251m); p1__7 (tier 4, 43.02800,-73.38215 +/-251m); p1__8 (tier 1, 43.03112,-73.38123 +/-146m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804cm:g3804cm_g057971891:05797_1891-0002__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cambridge, New-York | 1891 | sanborn05797_002 p2 [1]","metadata":[{"label":"streets","value":"3"},{"label":"intersections","value":"6"},{"label":"confidence","value":"0.08"},{"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":"3180.0"},{"label":"split_canvas_h","value":"7652.0"}],"created":"2026-10-18T08:21:56Z","modified":"2026-10-18T08:21:56Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804cm:g3804cm_g057971891:05797_1891-0002__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804cm:g3804cm_g057971891:05797_1891-0002","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"714.0,675.5 447.4,390.4 435.0,390.0 435.3,310.1 74.7,96.6 49.1,1085.7 91.3,1801.6 208.1,1836.8 467.9,1836.8 569.4,1872.8 744.1,1854.8 734.6,1435.0 781.7,1260.3 739.8,1132.9 697.6,676.8 714.0,675.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804cm:g3804cm_g057971891:05797_1891-0002__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[435.0,1197.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-73.386374,43.028218]}},{"type":"Feature","properties":{"resourceCoords":[435.0,390.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-73.382477,43.02805]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804cm:g3804cm_g057971891:05797_1891-0002__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cambridge, New-York | 1891 | sanborn05797_002 p2 [2]","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"6"},{"label":"confidence","value":"0.07"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"3180.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"3272.0"},{"label":"split_canvas_h","value":"7652.0"}],"created":"2026-10-18T08:21:56Z","modified":"2026-10-18T08:21:56Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804cm:g3804cm_g057971891:05797_1891-0002__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804cm:g3804cm_g057971891:05797_1891-0002","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"818.4,1334.8 1150.2,1531.0 1150.1,1604.5 1161.5,1604.9 1407.1,1867.0 1566.8,1854.1 1598.2,1792.4 1526.5,1304.1 1561.4,950.1 1558.9,151.6 1526.4,79.6 1451.4,59.5 1065.0,61.8 907.7,134.7 877.7,277.2 856.9,690.2 887.1,1015.6 858.2,1119.3 861.6,1291.6 818.4,1334.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804cm:g3804cm_g057971891:05797_1891-0002__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1146.6,1063.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-73.379636,43.027938]}},{"type":"Feature","properties":{"resourceCoords":[1146.6,515.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-73.376762,43.027811]}}]}}]}