{"id":"https://data.mapsnap.org/runs/v2.0/iiif/chronoscope/sanborn05342_001.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Hanover, New-Hampshire | 1884 | 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":"4"},{"label":"placed","value":"2"},{"label":"unplaced","value":"2"},{"label":"fit sources","value":"georef-snap 2"},{"label":"key map","value":"none"},{"label":"split sheets","value":"1 sheet(s) cut into 3 panels"},{"label":"unplaced pages","value":"p1__2 (tier 4, 43.70274,-72.28771 +/-135m); p1__3 (tier 1, 43.70099,-72.28496 +/-144m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd374m:g3744m:g3744hm:g3744hm_g053421884:05342_1884-0001__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Hanover, New-Hampshire | 1884 | sanborn05342_001 p1 [1]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.59"},{"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":"2026-10-18T17:54:36Z","modified":"2026-10-18T17:54:36Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd374m:g3744m:g3744hm:g3744hm_g053421884:05342_1884-0001__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd374m:g3744m:g3744hm:g3744hm_g053421884:05342_1884-0001","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1560.2,524.6 1580.3,208.2 1499.9,36.0 1183.2,68.2 1151.1,325.3 756.4,499.8 754.5,497.5 749.6,499.7 747.3,488.4 600.2,302.4 554.3,72.9 274.3,63.8 134.3,139.5 60.9,291.0 40.3,582.5 70.3,1870.1 410.1,1883.8 710.6,1188.3 1167.3,1241.0 1242.9,1268.2 1268.3,1275.9 1307.8,1288.0 1414.5,1304.8 1463.0,1319.0 1471.7,1095.4 1486.3,814.4 1483.2,510.8 1560.2,524.6\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd374m:g3744m:g3744hm:g3744hm_g053421884:05342_1884-0001__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[647.0,1073.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-72.2878234813775,43.70414545513176]}},{"type":"Feature","properties":{"resourceCoords":[436.0,1692.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-72.2895047767112,43.70415389749356]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd374m:g3744m:g3744hm:g3744hm_g053421884:05342_1884-0002/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Hanover, New-Hampshire | 1884 | sanborn05342_001 p2","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.58"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-18T17:54:36Z","modified":"2026-10-18T17:54:36Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd374m:g3744m:g3744hm:g3744hm_g053421884:05342_1884-0002/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd374m:g3744m:g3744hm:g3744hm_g053421884:05342_1884-0002","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"66.9,776.0 81.5,870.2 60.9,1856.8 686.6,1875.5 744.4,1826.2 1284.0,1890.1 1537.8,1883.7 1590.5,1819.1 1602.5,1040.7 1528.0,112.5 1328.0,47.3 1189.3,106.6 254.3,79.0 245.4,1.0 168.4,1.0 223.9,293.8 258.6,568.8 288.9,787.0 239.5,781.7 236.2,781.4 133.1,783.9 66.9,776.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd374m:g3744m:g3744hm:g3744hm_g053421884:05342_1884-0002/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1074.0,1554.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-72.2894468769456,43.70088777629218]}},{"type":"Feature","properties":{"resourceCoords":[282.0,767.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-72.28771128260617,43.702580441448575]}}]}}]}