Authorization required: sitemap.xml
Verification word: amigo

Approve on your phone -- open or scan this on a device with your passkey:
  https://auth.ck1.me/a/eyJhbGciOiJIUzI1NiJ9.eyJyZXMiOnsidHlwZSI6Im9iamVjdCIsImlkIjoic2l0ZW1hcC54bWwifSwid29yZCI6ImFtaWdvIiwianRpIjoiZGY2M2VlNWU4YjI3NDE0MThjY2NkMzM0ZjQ3YTkyZTgiLCJpc3MiOiJzZXJ2ZXMuY2sxLm1lIiwiYXVkIjoiYXV0aC5jazEubWUiLCJpYXQiOjE3ODM5NDgxMDEsImV4cCI6MTc4Mzk0ODQwMX0.rRfHGl-7d0NX4Dn1B3Uk4GPvV8qCz31rLRkNHI3BGOU

(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.eyJyZXMiOnsidHlwZSI6Im9iamVjdCIsImlkIjoic2l0ZW1hcC54bWwifSwid29yZCI6ImFtaWdvIiwianRpIjoiZGY2M2VlNWU4YjI3NDE0MThjY2NkMzM0ZjQ3YTkyZTgiLCJpc3MiOiJzZXJ2ZXMuY2sxLm1lIiwiYXVkIjoiYXV0aC5jazEubWUiLCJpYXQiOjE3ODM5NDgxMDEsImV4cCI6MTc4Mzk0ODQwMX0.rRfHGl-7d0NX4Dn1B3Uk4GPvV8qCz31rLRkNHI3BGOU' -o 'sitemap.xml'