{"id":"https://data.mapsnap.org/runs/v2.0/iiif/chronoscope/sanborn03702_001.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Canton, Massachusetts | 1885 | mapsnap generated fit (2026-10-20)","creator":{"type":"Software","name":"mapsnap","homepage":"https://mapsnap.org"},"rights":"https://opendatacommons.org/licenses/odbl/1-0/","metadata":[{"label":"generated","value":"2026-10-20"},{"label":"run","value":"corpus-v2"},{"label":"pages","value":"15"},{"label":"placed","value":"2"},{"label":"unplaced","value":"13"},{"label":"fit sources","value":"georef 2"},{"label":"key map","value":"none"},{"label":"split sheets","value":"5 sheet(s) cut into 15 panels"},{"label":"unplaced pages","value":"p1__1 (tier 4, 42.15526,-71.14614 +/-188m); p1__2 (tier 4, 42.15526,-71.14614 +/-188m); p1__3 (tier 4, 42.15526,-71.14614 +/-188m); p2__1 (tier 4, 42.15526,-71.14614 +/-188m); p2__2 (tier 4, 42.15526,-71.14614 +/-188m); p2__3 (tier 4, 42.15526,-71.14614 +/-188m); p2__4 (tier 4, 42.15526,-71.14614 +/-188m); p2__5 (tier 4, 42.15526,-71.14614 +/-188m); p3__1 (tier 4, 42.15526,-71.14614 +/-188m); p4__2 (tier 4, 42.15526,-71.14614 +/-188m); p5__1 (tier 4, 42.15526,-71.14614 +/-188m); p5__2 (tier 4, 42.15526,-71.14614 +/-188m); p5__3 (tier 4, 42.15526,-71.14614 +/-188m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764cm:g037021885:03702_1885-0003__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Canton, Massachusetts | 1885 | sanborn03702_001 p3 [2]","metadata":[{"label":"streets","value":"3"},{"label":"intersections","value":"3"},{"label":"confidence","value":"0.04"},{"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":"2026-10-20T01:03:48Z","modified":"2026-10-20T01:03:48Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764cm:g037021885:03702_1885-0003__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764cm:g037021885:03702_1885-0003","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1552.0,79.1 675.8,23.1 43.0,122.0 44.5,1069.0 533.5,1111.0 536.3,1111.0 536.3,1111.2 541.6,1111.7 684.7,1442.1 624.2,1859.5 1501.9,1859.5 1600.7,1614.7 1552.0,79.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764cm:g037021885:03702_1885-0003__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[595.0,45.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.14552,42.15781]}},{"type":"Feature","properties":{"resourceCoords":[1254.0,3035.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.1455273,42.1547729]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764cm:g037021885:03702_1885-0004__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Canton, Massachusetts | 1885 | sanborn03702_001 p4 [1]","metadata":[{"label":"streets","value":"5"},{"label":"intersections","value":"4"},{"label":"confidence","value":"0.55"},{"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":"2026-10-20T01:03:48Z","modified":"2026-10-20T01:03:48Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764cm:g037021885:03702_1885-0004__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764cm:g037021885:03702_1885-0004","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"969.5,1795.3 1581.8,1832.0 1575.4,1009.8 1490.9,917.7 1490.3,688.8 1313.3,691.6 1307.4,587.3 1138.0,588.8 1096.8,281.8 982.0,48.0 409.0,65.0 416.8,127.8 90.0,347.9 71.9,1860.9 232.7,1873.0 554.1,1777.5 795.2,1855.5 969.5,1795.3\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764cm:g037021885:03702_1885-0004__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[940.0,871.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.1463894,42.1535829]}},{"type":"Feature","properties":{"resourceCoords":[940.0,1578.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.1475729,42.1526269]}}]}}]}