Authorization required: sitemap.xml
Verification word: smother

Approve on your phone -- open or scan this on a device with your passkey:
  https://auth.ck1.me/a/eyJhbGciOiJIUzI1NiJ9.eyJyZXMiOnsidHlwZSI6Im9iamVjdCIsImlkIjoic2l0ZW1hcC54bWwifSwid29yZCI6InNtb3RoZXIiLCJqdGkiOiI1OTk1MjAxN2QxY2I0ZWE0OTVkNWM0YTBjOTQzNDYwMCIsImlzcyI6InNlcnZlcy5jazEubWUiLCJhdWQiOiJhdXRoLmNrMS5tZSIsImlhdCI6MTc4MzI0MzM0MiwiZXhwIjoxNzgzMjQzNjQyfQ.jjKu-bf78auaXTN04jWtT4n5Eol0qt2Pn7h9Z7svNvo

(No browser on this box? Cmd-click that link to open it on your laptop;
 it shows a QR you can scan with your phone.)

Then fetch the file -- this command waits until you approve:
  curl -fL 'https://serves.ck1.me/sitemap.xml?grant=eyJhbGciOiJIUzI1NiJ9.eyJyZXMiOnsidHlwZSI6Im9iamVjdCIsImlkIjoic2l0ZW1hcC54bWwifSwid29yZCI6InNtb3RoZXIiLCJqdGkiOiI1OTk1MjAxN2QxY2I0ZWE0OTVkNWM0YTBjOTQzNDYwMCIsImlzcyI6InNlcnZlcy5jazEubWUiLCJhdWQiOiJhdXRoLmNrMS5tZSIsImlhdCI6MTc4MzI0MzM0MiwiZXhwIjoxNzgzMjQzNjQyfQ.jjKu-bf78auaXTN04jWtT4n5Eol0qt2Pn7h9Z7svNvo' -o 'sitemap.xml'