{"id":"https://data.mapsnap.org/runs/v2.0/iiif/chronoscope/sanborn08100_001.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Slatersville, Rhode-Island | 1928 | mapsnap generated fit (2026-10-22)","creator":{"type":"Software","name":"mapsnap","homepage":"https://mapsnap.org"},"rights":"https://opendatacommons.org/licenses/odbl/1-0/","metadata":[{"label":"generated","value":"2026-10-22"},{"label":"run","value":"corpus-v2.1"},{"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, 42.00034,-71.57915 +/-100m); p2__1 (tier 4, 42.00034,-71.57915 +/-100m); p3__1 (tier 4, 42.00034,-71.57915 +/-100m); p3__2 (tier 4, 42.00034,-71.57915 +/-100m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd377m:g3774m:g3774sm:g3774sm_g081001928:08100_1928-0002__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Slatersville, Rhode-Island | 1928 | sanborn08100_001 p2 [2]","metadata":[{"label":"streets","value":"4"},{"label":"intersections","value":"6"},{"label":"confidence","value":"0.13"},{"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":"2026-10-22T13:55:59Z","modified":"2026-10-22T13:55:59Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd377m:g3774m:g3774sm:g3774sm_g081001928:08100_1928-0002__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd377m:g3774m:g3774sm:g3774sm_g081001928:08100_1928-0002","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"612.0,1123.5 650.3,1112.7 729.1,1175.8 795.0,1410.7 750.9,1572.2 794.3,1845.0 1103.1,1899.4 1564.9,1882.3 1579.1,1583.8 1516.2,1401.8 1576.2,1343.5 1590.2,670.0 1523.7,161.9 1350.2,195.9 1264.0,111.0 1024.5,54.8 174.9,64.6 102.9,201.1 149.1,671.5 77.8,748.8 48.4,1029.7 239.4,1168.0 612.0,1157.8 612.0,1123.5\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd377m:g3774m:g3774sm:g3774sm_g081001928:08100_1928-0002__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[1202.0,857.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.5784325,42.0008658]}},{"type":"Feature","properties":{"resourceCoords":[541.0,334.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-71.580498,42.001076]}}]}}]}