Authorization required: sitemap.xml
Verification word: molehill

Approve on your phone -- open or scan this on a device with your passkey:
  https://auth.ck1.me/a/eyJhbGciOiJIUzI1NiJ9.eyJyZXMiOnsidHlwZSI6Im9iamVjdCIsImlkIjoic2l0ZW1hcC54bWwifSwid29yZCI6Im1vbGVoaWxsIiwianRpIjoiYWY5YmRlOTQzNWI1NDVmZTgyNWZkNzkxZWQ2N2RmNDgiLCJpc3MiOiJzZXJ2ZXMuY2sxLm1lIiwiYXVkIjoiYXV0aC5jazEubWUiLCJpYXQiOjE3ODMzMTY4NTQsImV4cCI6MTc4MzMxNzE1NH0.RNFph1Yx8fAvalIkN569C9LEvolycRhAi4MEvNLRRVE

(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.eyJyZXMiOnsidHlwZSI6Im9iamVjdCIsImlkIjoic2l0ZW1hcC54bWwifSwid29yZCI6Im1vbGVoaWxsIiwianRpIjoiYWY5YmRlOTQzNWI1NDVmZTgyNWZkNzkxZWQ2N2RmNDgiLCJpc3MiOiJzZXJ2ZXMuY2sxLm1lIiwiYXVkIjoiYXV0aC5jazEubWUiLCJpYXQiOjE3ODMzMTY4NTQsImV4cCI6MTc4MzMxNzE1NH0.RNFph1Yx8fAvalIkN569C9LEvolycRhAi4MEvNLRRVE' -o 'sitemap.xml'