https://hub.arcgis.com/search?collection=site
Check hub whether is down or not
https://hubstatus.arcgis.com/
test
transparentgov.net/json2tree/esri/hub/live/opendata.html
transparentgov.net/json2tree/esri/hub/live/hub.html
transparentgov.net/json2tree/esri/hub/static/opendata-org-id.html?file=opendata_v3_created_since_2023_10_06_3rd10k_to_2025_03_29.json.zip&filter_by=
transparentgov.net/json2tree/esri/hub/static/hub-org-id.html?file=hub_v1_created_2017.zip&filter_by=