{"id":"https://data.mapsnap.org/runs/v2.0/iiif/chronoscope/sanborn00764_003.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Pleasanton, California | 1898 | 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":"8"},{"label":"placed","value":"3"},{"label":"unplaced","value":"5"},{"label":"fit sources","value":"georef-snap 3"},{"label":"key map","value":"none"},{"label":"split sheets","value":"2 sheet(s) cut into 6 panels"},{"label":"unplaced pages","value":"p1__2 (tier 4, 37.65997,-121.87528 +/-204m); p3 (tier 1, 37.66389,-121.87457 +/-263m); p4__1 (tier 4, 37.65997,-121.87528 +/-204m); p4__2 (tier 4, 37.65997,-121.87528 +/-204m); p4__4 (tier 1, 37.65660,-121.87751 +/-100m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364pm:g4364pm_g007641898:00764_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":"Pleasanton, California | 1898 | sanborn00764_003 p1 [1]","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.71"},{"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":"2026-10-22T13:32:38Z","modified":"2026-10-22T13:32:38Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364pm:g4364pm_g007641898:00764_1898-0001__1/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364pm:g4364pm_g007641898:00764_1898-0001","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"211.4,1888.9 275.8,1721.2 567.2,1836.5 638.4,1865.0 756.5,1912.0 913.2,1912.0 1072.2,1912.0 1061.7,1878.9 1225.8,1820.5 1401.5,1881.2 1493.1,1876.8 1509.0,1774.4 1508.0,1222.5 1518.1,954.6 1535.0,585.7 1524.2,585.4 1547.5,233.2 1458.7,73.6 1320.0,138.4 1228.6,599.6 1228.5,610.5 1226.5,610.5 1226.4,610.9 448.3,610.6 71.3,698.7 26.6,1092.1 55.8,1736.5 89.9,1832.2 207.5,1859.6 211.4,1888.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364pm:g4364pm_g007641898:00764_1898-0001__1/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[482.0,1116.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-121.87679893422595,37.658707337151874]}},{"type":"Feature","properties":{"resourceCoords":[1515.0,1116.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-121.87598513013197,37.66051630845475]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364pm:g4364pm_g007641898:00764_1898-0002/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Pleasanton, California | 1898 | sanborn00764_003 p2","metadata":[{"label":"streets","value":"0"},{"label":"intersections","value":"0"},{"label":"confidence","value":"0.60"},{"label":"confidence_model","value":"corpus-v2"}],"created":"2026-10-22T13:32:38Z","modified":"2026-10-22T13:32:38Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364pm:g4364pm_g007641898:00764_1898-0002/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364pm:g4364pm_g007641898:00764_1898-0002","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"205.4,80.0 450.4,40.1 1277.7,86.2 1331.6,568.9 1427.0,671.0 1344.3,705.4 1544.5,1133.1 1549.2,1826.9 1494.6,1875.7 478.9,1851.2 242.7,1724.2 80.2,1727.0 99.8,1622.6 116.1,1057.3 134.8,783.2 163.7,405.9 152.7,405.2 187.5,45.2 205.4,80.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364pm:g4364pm_g007641898:00764_1898-0002/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[109.0,1699.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-121.8743603166063,37.66006860785798]}},{"type":"Feature","properties":{"resourceCoords":[1530.0,1699.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-121.87336225444291,37.66252231076894]}}]}},{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364pm:g4364pm_g007641898:00764_1898-0004__3/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Pleasanton, California | 1898 | sanborn00764_003 p4 [3]","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":"2640.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"3812.0"},{"label":"split_canvas_h","value":"7652.0"}],"created":"2026-10-22T13:32:38Z","modified":"2026-10-22T13:32:38Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364pm:g4364pm_g007641898:00764_1898-0004__3/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364pm:g4364pm_g007641898:00764_1898-0004","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"871.8,1912.0 919.9,1912.0 1109.2,1808.7 1170.7,1344.2 1550.8,1296.1 1501.8,1194.4 1602.0,1032.0 1493.9,693.7 1483.6,156.7 1279.4,130.7 1249.4,51.1 818.9,85.0 759.0,998.1 660.9,1076.2 660.9,1172.7 745.9,1393.9 744.3,1521.3 743.1,1598.1 740.0,1912.0 871.8,1912.0\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd436m:g4364m:g4364pm:g4364pm_g007641898:00764_1898-0004__3/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[746.0,1313.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-121.87469811033576,37.65880546261853]}},{"type":"Feature","properties":{"resourceCoords":[746.0,725.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-121.87380103718642,37.6596338269775]}}]}}]}