Authorization required: sitemap.xml
Verification word: commute

Approve on your phone -- open or scan this on a device with your passkey:
  https://auth.ck1.me/a/eyJhbGciOiJIUzI1NiJ9.eyJyZXMiOnsidHlwZSI6Im9iamVjdCIsImlkIjoic2l0ZW1hcC54bWwifSwid29yZCI6ImNvbW11dGUiLCJqdGkiOiI3M2QxMDlhMDNkMzc0MmU0OTFmMGU5MGUzOTQzMTg2OCIsImlzcyI6InNlcnZlcy5jazEubWUiLCJhdWQiOiJhdXRoLmNrMS5tZSIsImlhdCI6MTc5MzM3NTA0NSwiZXhwIjoxNzkzMzc1MzQ1fQ.3htkfT1JTyjeTnm7rjmC3g-T5EK7zC1gS-fqH_3E2iU

(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.eyJyZXMiOnsidHlwZSI6Im9iamVjdCIsImlkIjoic2l0ZW1hcC54bWwifSwid29yZCI6ImNvbW11dGUiLCJqdGkiOiI3M2QxMDlhMDNkMzc0MmU0OTFmMGU5MGUzOTQzMTg2OCIsImlzcyI6InNlcnZlcy5jazEubWUiLCJhdWQiOiJhdXRoLmNrMS5tZSIsImlhdCI6MTc5MzM3NTA0NSwiZXhwIjoxNzkzMzc1MzQ1fQ.3htkfT1JTyjeTnm7rjmC3g-T5EK7zC1gS-fqH_3E2iU' -o 'sitemap.xml'