Authorization required: sitemap.xml
Verification word: joystick

Approve on your phone -- open or scan this on a device with your passkey:
  https://auth.ck1.me/a/eyJhbGciOiJIUzI1NiJ9.eyJyZXMiOnsidHlwZSI6Im9iamVjdCIsImlkIjoic2l0ZW1hcC54bWwifSwid29yZCI6ImpveXN0aWNrIiwianRpIjoiNzFjMjJmNzk0YWUyNGY2ZGJhYmY1YWU4Y2M5NDlkZjMiLCJpc3MiOiJzZXJ2ZXMuY2sxLm1lIiwiYXVkIjoiYXV0aC5jazEubWUiLCJpYXQiOjE3ODM5NTkzMzQsImV4cCI6MTc4Mzk1OTYzNH0.DVCFd9tglT8OdARapySfcNy_P07Zq0YASy7Ky9UiRtk

(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.eyJyZXMiOnsidHlwZSI6Im9iamVjdCIsImlkIjoic2l0ZW1hcC54bWwifSwid29yZCI6ImpveXN0aWNrIiwianRpIjoiNzFjMjJmNzk0YWUyNGY2ZGJhYmY1YWU4Y2M5NDlkZjMiLCJpc3MiOiJzZXJ2ZXMuY2sxLm1lIiwiYXVkIjoiYXV0aC5jazEubWUiLCJpYXQiOjE3ODM5NTkzMzQsImV4cCI6MTc4Mzk1OTYzNH0.DVCFd9tglT8OdARapySfcNy_P07Zq0YASy7Ky9UiRtk' -o 'sitemap.xml'