{"id":"https://data.mapsnap.org/runs/v2.0/iiif/chronoscope/sanborn05794_001.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Cairo, New-York | 1915 | 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":"2"},{"label":"placed","value":"1"},{"label":"unplaced","value":"1"},{"label":"fit sources","value":"georef-snap 1"},{"label":"key map","value":"none"},{"label":"unplaced pages","value":"p1 (tier 1, 42.30170,-74.00230 +/-227m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804cm:g3804cm_g057941915:05794_1915-0002/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Cairo, New-York | 1915 | sanborn05794_001 p2","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.38"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T07:52:42Z","modified":"2026-10-18T07:52:42Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804cm:g3804cm_g057941915:05794_1915-0002/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804cm:g3804cm_g057941915:05794_1915-0002","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"151.9,1524.8 39.7,1031.8 70.7,96.0 172.2,42.4 852.6,23.4 1102.8,56.6 1145.7,135.6 1262.1,165.9 1451.5,169.9 1457.2,426.4 1561.6,501.1 1587.9,836.1 1571.1,1103.3 1483.4,1296.6 1550.8,1537.7 1477.2,1586.3 1456.9,1758.7 1240.4,1715.1 829.8,1890.3 67.3,1835.1 41.9,1717.5 138.2,1647.1 151.9,1524.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd380m:g3804m:g3804cm:g3804cm_g057941915:05794_1915-0002/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[645.0,1320.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-73.9986115814452,42.29915428623735]}},{"type":"Feature","properties":{"resourceCoords":[645.0,1694.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-73.99798675892065,42.2987113387176]}}]}}]}