{"id":"https://data.mapsnap.org/runs/v2.0/iiif/chronoscope/sanborn03695_003.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Braintree, Massachusetts | 1896 | 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":"15"},{"label":"placed","value":"7"},{"label":"unplaced","value":"8"},{"label":"fit sources","value":"georef 4, georef-snap 3"},{"label":"key map","value":"georeferenced"},{"label":"split sheets","value":"3 sheet(s) cut into 8 panels"},{"label":"unplaced pages","value":"p1__1 (tier 1, 42.20724,-71.00277 +/-134m); p1__2 (tier 1, 42.20403,-70.99920 +/-223m); p1__4 (tier 1, 42.20593,-70.99958 +/-100m); p1__5 (tier 1, 42.20365,-70.99964 +/-121m); p2__2 (tier 1, 42.20258,-71.00220 +/-124m); p4__1 (tier 1, 42.20116,-70.99858 +/-200m); p4__2 (tier 1, 42.20578,-71.00455 +/-127m); p5__2 (tier 1, 42.22005,-71.00286 +/-164m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764bm:g036951896:03695_1896-0001__3/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Braintree, Massachusetts | 1896 | sanborn03695_003 p1 [3]","metadata":[{"label":"streets","value":"2"},{"label":"intersections","value":"1"},{"label":"confidence","value":"0.42"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"2821.6"},{"label":"split_canvas_w","value":"2124.0"},{"label":"split_canvas_h","value":"2212.8"}],"created":"2026-10-19T12:10:40Z","modified":"2026-10-19T12:10:40Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764bm:g036951896:03695_1896-0001__3/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764bm:g036951896:03695_1896-0001","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"505.6,1228.9 488.5,730.2 4.5,715.5 4.1,1252.5 60.4,1203.1 505.6,1228.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764bm:g036951896:03695_1896-0001__3/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,705.4],"type":"corner"},"geometry":{"type":"Point","coordinates":[-70.99312909072148,42.21175104776398]}},{"type":"Feature","properties":{"resourceCoords":[531.0,705.4],"type":"corner"},"geometry":{"type":"Point","coordinates":[-70.99178136744843,42.212018267693445]}},{"type":"Feature","properties":{"resourceCoords":[531.0,1258.6],"type":"corner"},"geometry":{"type":"Point","coordinates":[-70.9914050884699,42.21097645389801]}},{"type":"Feature","properties":{"resourceCoords":[0.0,1258.6],"type":"corner"},"geometry":{"type":"Point","coordinates":[-70.99275281174296,42.21070923396855]}},{"type":"Feature","properties":{"resourceCoords":[248.0,835.2],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-70.9924115,42.2116318]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764bm:g036951896:03695_1896-0002__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Braintree, Massachusetts | 1896 | sanborn03695_003 p2 [1]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.89"},{"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":"2026-10-19T12:10:40Z","modified":"2026-10-19T12:10:40Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764bm:g036951896:03695_1896-0002__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764bm:g036951896:03695_1896-0002","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"111.2,1811.2 123.3,1805.7 893.3,1805.2 1163.3,1028.1 1169.6,1027.8 1170.4,1025.6 1226.8,1025.3 1482.4,1014.0 1510.1,958.5 1593.2,722.6 1544.3,126.1 1433.2,49.9 1426.3,98.4 1232.0,50.0 1155.8,98.6 857.5,57.1 580.0,105.9 434.5,54.2 114.6,144.2 113.2,162.3 114.2,438.9 118.6,796.5 124.7,871.7 119.8,1274.7 111.2,1811.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764bm:g036951896:03695_1896-0002__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[129.0,438.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.0050684662778,42.20311638889054]}},{"type":"Feature","properties":{"resourceCoords":[129.0,852.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.00506917432202,42.202311302364954]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764bm:g036951896:03695_1896-0003/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Braintree, Massachusetts | 1896 | sanborn03695_003 p3","metadata":[{"label":"streets","value":"10"},{"label":"intersections","value":"16"},{"label":"confidence","value":"0.78"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T12:10:40Z","modified":"2026-10-19T12:10:40Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764bm:g036951896:03695_1896-0003/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764bm:g036951896:03695_1896-0003","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1257.5,1865.1 683.2,1796.0 140.0,1847.5 64.2,1598.8 108.3,1544.0 62.5,1444.0 105.9,1410.4 143.8,722.5 46.4,487.1 53.7,72.5 887.5,34.2 1133.8,162.0 1135.0,172.7 1407.5,136.6 1462.9,135.9 1454.0,416.0 1445.7,778.3 1449.2,854.6 1429.8,1262.4 1402.0,1805.3 1257.5,1865.1\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764bm:g036951896:03695_1896-0003/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1454.0,416.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.0051073,42.2031147]}},{"type":"Feature","properties":{"resourceCoords":[522.0,1555.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.0074188,42.2008678]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764bm:g036951896:03695_1896-0004__3/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Braintree, Massachusetts | 1896 | sanborn03695_003 p4 [3]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.86"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"3760.0"},{"label":"split_canvas_w","value":"6452.0"},{"label":"split_canvas_h","value":"3892.0"}],"created":"2026-10-19T12:10:40Z","modified":"2026-10-19T12:10:40Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764bm:g036951896:03695_1896-0004__3/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764bm:g036951896:03695_1896-0004","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"258.2,1838.5 1317.7,1912.0 1319.9,1912.0 1499.6,1872.6 1555.7,1804.0 1508.3,1706.7 1547.3,1299.0 1465.0,1235.9 1001.6,1237.8 998.0,1230.5 989.5,1230.5 989.5,1213.6 873.0,980.5 243.5,987.5 240.8,948.5 120.8,1193.8 110.3,1195.3 152.2,1462.6 154.2,1517.0 172.1,1518.6 258.2,1838.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764bm:g036951896:03695_1896-0004__3/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[769.0,1164.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.006056450848,42.204844300124485]}},{"type":"Feature","properties":{"resourceCoords":[119.0,1164.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.00603787219583,42.203576551361785]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764bm:g036951896:03695_1896-0005__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Braintree, Massachusetts | 1896 | sanborn03695_003 p5 [1]","metadata":[{"label":"streets","value":"3"},{"label":"intersections","value":"2"},{"label":"confidence","value":"0.60"},{"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":"2220.0"},{"label":"split_canvas_h","value":"5340.0"}],"created":"2026-10-19T12:10:40Z","modified":"2026-10-19T12:10:40Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764bm:g036951896:03695_1896-0005__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764bm:g036951896:03695_1896-0005","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"366.0,72.9 1.0,104.3 1.0,105.0 59.2,139.7 81.0,470.4 46.2,946.6 196.1,1286.3 374.2,1266.7 369.9,859.7 366.0,715.0 362.3,477.6 361.9,444.9 361.7,382.2 366.0,72.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764bm:g036951896:03695_1896-0005__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[366.0,715.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.0036716,42.2197517]}},{"type":"Feature","properties":{"resourceCoords":[366.0,58.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.0040689,42.2209772]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764bm:g036951896:03695_1896-0005__3/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Braintree, Massachusetts | 1896 | sanborn03695_003 p5 [3]","metadata":[{"label":"streets","value":"3"},{"label":"intersections","value":"2"},{"label":"confidence","value":"0.72"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"4136.0"},{"label":"split_canvas_w","value":"6452.0"},{"label":"split_canvas_h","value":"3516.0"}],"created":"2026-10-19T12:10:40Z","modified":"2026-10-19T12:10:40Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764bm:g036951896:03695_1896-0005__3/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764bm:g036951896:03695_1896-0005","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1198.8,1056.2 1194.2,1090.3 647.4,1073.2 626.0,1073.9 555.0,1334.0 555.0,1335.0 553.0,1335.0 76.0,1566.9 41.2,1708.5 92.7,1907.1 850.4,1912.0 871.3,1912.0 1007.2,1852.6 1079.8,1906.2 1536.4,1910.9 1538.2,1907.9 1508.7,1545.0 1467.5,1544.8 1470.2,1466.9 1231.0,1055.3 1198.8,1056.2\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764bm:g036951896:03695_1896-0005__3/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[480.0,1545.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.0047026,42.2228898]}},{"type":"Feature","properties":{"resourceCoords":[1494.0,1545.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.0040689,42.2209772]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764bm:g036951896:03695_1896-0006/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Braintree, Massachusetts | 1896 | sanborn03695_003 p6","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.32"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-19T12:10:40Z","modified":"2026-10-19T12:10:40Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764bm:g036951896:03695_1896-0006/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764bm:g036951896:03695_1896-0006","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"1021.5,114.7 1470.3,49.4 1566.9,132.7 1589.3,1321.2 1578.1,1450.5 1506.6,1520.9 1563.3,1570.3 1497.8,1627.6 1506.8,1782.0 1275.6,1803.6 1224.9,1741.1 1052.7,1789.5 991.3,1872.4 682.6,1890.5 140.2,1865.9 44.8,1814.7 21.9,1464.2 14.0,1463.6 88.5,1053.5 112.6,907.3 172.7,571.7 234.6,273.6 245.0,219.6 323.9,237.2 789.0,72.0 794.3,39.1 1021.5,114.7\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd376m:g3764m:g3764bm:g036951896:03695_1896-0006/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[210.0,242.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.00414230321218,42.22096191113205]}},{"type":"Feature","properties":{"resourceCoords":[111.0,865.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.0037194014379,42.21982257758601]}}]}}]}