{"id":"https://data.mapsnap.org/runs/v2.0/iiif/chronoscope/sanborn06791_001.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Mason, Ohio | 1898 | mapsnap generated fit (2026-10-17)","creator":{"type":"Software","name":"mapsnap","homepage":"https://mapsnap.org"},"rights":"https://opendatacommons.org/licenses/odbl/1-0/","metadata":[{"label":"generated","value":"2026-10-17"},{"label":"run","value":"corpus-v2"},{"label":"pages","value":"4"},{"label":"placed","value":"1"},{"label":"unplaced","value":"3"},{"label":"fit sources","value":"georef:misscale 1"},{"label":"key map","value":"none"},{"label":"split sheets","value":"1 sheet(s) cut into 4 panels"},{"label":"unplaced pages","value":"p1__2 (tier 4, 39.36096,-84.31134 +/-100m); p1__3 (tier 4, 39.36096,-84.31134 +/-100m); p1__4 (tier 4, 39.36096,-84.31134 +/-100m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084mm:g4084mm_g067911898:06791_1898-0001__1/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Mason, Ohio | 1898 | sanborn06791_001 p1 [1]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.51"},{"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":"3083.6"},{"label":"split_canvas_h","value":"2742.4"}],"created":"2026-10-17T19:51:53Z","modified":"2026-10-17T19:51:53Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084mm:g4084mm_g067911898:06791_1898-0001__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084mm:g4084mm_g067911898:06791_1898-0001","type":"ImageService3","width":1628,"height":1927},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"75.8,622.8 745.7,608.2 738.1,101.8 691.7,18.1 93.6,43.9 46.5,110.2 75.8,622.8\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd408m:g4084m:g4084mm:g4084mm_g067911898:06791_1898-0001__1/gcps","type":"FeatureCollection","transformation":{"type":"polynomial","options":{"order":1}},"features":[{"type":"Feature","properties":{"resourceCoords":[0.0,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.31224202862929,39.361639353581204]}},{"type":"Feature","properties":{"resourceCoords":[770.9,0.0],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.3103566228324,39.361576547048664]}},{"type":"Feature","properties":{"resourceCoords":[770.9,685.6],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.31042896141373,39.360280624211285]}},{"type":"Feature","properties":{"resourceCoords":[0.0,685.6],"type":"corner"},"geometry":{"type":"Point","coordinates":[-84.31231436721062,39.360343430743825]}}]}}]}