Authorization required: sitemap.xml
Verification word: dividend

Approve on your phone -- open or scan this on a device with your passkey:
  https://auth.ck1.me/a/eyJhbGciOiJIUzI1NiJ9.eyJyZXMiOnsidHlwZSI6Im9iamVjdCIsImlkIjoic2l0ZW1hcC54bWwifSwid29yZCI6ImRpdmlkZW5kIiwianRpIjoiMWVmMjE2NzZlODgyNGQzMWFjZmIzYjUzYzczN2Q4MGYiLCJpc3MiOiJzZXJ2ZXMuY2sxLm1lIiwiYXVkIjoiYXV0aC5jazEubWUiLCJpYXQiOjE3ODUwMDUxNDEsImV4cCI6MTc4NTAwNTQ0MX0.LGfiH9036uAebn7sMSd4X7Pc0xPwi9k2CfvOpzI7vKo

(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.eyJyZXMiOnsidHlwZSI6Im9iamVjdCIsImlkIjoic2l0ZW1hcC54bWwifSwid29yZCI6ImRpdmlkZW5kIiwianRpIjoiMWVmMjE2NzZlODgyNGQzMWFjZmIzYjUzYzczN2Q4MGYiLCJpc3MiOiJzZXJ2ZXMuY2sxLm1lIiwiYXVkIjoiYXV0aC5jazEubWUiLCJpYXQiOjE3ODUwMDUxNDEsImV4cCI6MTc4NTAwNTQ0MX0.LGfiH9036uAebn7sMSd4X7Pc0xPwi9k2CfvOpzI7vKo' -o 'sitemap.xml'