Authorization required: sitemap.xml
Verification word: napped

Approve on your phone -- open or scan this on a device with your passkey:
  https://auth.ck1.me/a/eyJhbGciOiJIUzI1NiJ9.eyJyZXMiOnsidHlwZSI6Im9iamVjdCIsImlkIjoic2l0ZW1hcC54bWwifSwid29yZCI6Im5hcHBlZCIsImp0aSI6ImJkOGMzMzhiNzYxNjRhOTRhMDI4NTFjZTU4ZTQ4ZGM0IiwiaXNzIjoic2VydmVzLmNrMS5tZSIsImF1ZCI6ImF1dGguY2sxLm1lIiwiaWF0IjoxNzg1NDA3NDM3LCJleHAiOjE3ODU0MDc3Mzd9.yCD-lpydvMU0z5zKGue9lsTkkVIksbEd0jKIWPFTZEM

(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.eyJyZXMiOnsidHlwZSI6Im9iamVjdCIsImlkIjoic2l0ZW1hcC54bWwifSwid29yZCI6Im5hcHBlZCIsImp0aSI6ImJkOGMzMzhiNzYxNjRhOTRhMDI4NTFjZTU4ZTQ4ZGM0IiwiaXNzIjoic2VydmVzLmNrMS5tZSIsImF1ZCI6ImF1dGguY2sxLm1lIiwiaWF0IjoxNzg1NDA3NDM3LCJleHAiOjE3ODU0MDc3Mzd9.yCD-lpydvMU0z5zKGue9lsTkkVIksbEd0jKIWPFTZEM' -o 'sitemap.xml'