{"id":"https://data.mapsnap.org/runs/v2.0/iiif/chronoscope/sanborn05581_004.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Old Bridge, New-Jersey | 1921 | mapsnap generated fit (2026-10-19)","creator":{"type":"Software","name":"mapsnap","homepage":"https://mapsnap.org"},"rights":"https://opendatacommons.org/licenses/odbl/1-0/","metadata":[{"label":"generated","value":"2026-10-19"},{"label":"run","value":"corpus-v2"},{"label":"pages","value":"5"},{"label":"placed","value":"1"},{"label":"unplaced","value":"4"},{"label":"fit sources","value":"georef 1"},{"label":"key map","value":"none"},{"label":"split sheets","value":"2 sheet(s) cut into 4 panels"},{"label":"unplaced pages","value":"p1 (tier 4, 40.41894,-74.36082 +/-100m); p2__1 (tier 4, 40.41894,-74.36082 +/-100m); p3__1 (tier 4, 40.41894,-74.36082 +/-100m); p3__2 (tier 4, 40.41894,-74.36082 +/-100m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd381m:g3814m:g3814om:g3814om_g055811921:05581_1921-0002__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Old Bridge, New-Jersey | 1921 | sanborn05581_004 p2 [2]","metadata":[{"label":"streets","value":"3"},{"label":"intersections","value":"2"},{"label":"confidence","value":"0.19"},{"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":"3077.2"},{"label":"split_canvas_h","value":"4256.0"}],"created":"2026-10-19T13:06:29Z","modified":"2026-10-19T13:06:29Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd381m:g3814m:g3814om:g3814om_g055811921:05581_1921-0002__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd381m:g3814m:g3814om:g3814om_g055811921:05581_1921-0002","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"28.0,920.6 64.7,978.0 211.9,1013.5 449.5,972.1 716.9,978.7 717.4,707.2 680.1,508.9 625.5,425.2 629.4,187.8 536.5,113.5 539.6,70.4 446.4,54.8 377.9,119.9 260.7,119.1 288.9,143.4 212.2,252.6 159.5,301.7 64.7,307.6 72.8,399.3 22.9,541.0 28.0,920.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd381m:g3814m:g3814om:g3814om_g055811921:05581_1921-0002__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[437.2,461.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-74.360805,40.419257]}},{"type":"Feature","properties":{"resourceCoords":[437.2,684.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-74.360192,40.418593]}}]}}]}