Authorization required: sitemap.xml
Verification word: monologue

Approve on your phone -- open or scan this on a device with your passkey:
  https://auth.ck1.me/a/eyJhbGciOiJIUzI1NiJ9.eyJyZXMiOnsidHlwZSI6Im9iamVjdCIsImlkIjoic2l0ZW1hcC54bWwifSwid29yZCI6Im1vbm9sb2d1ZSIsImp0aSI6IjZiNTc0OTA1NDkyMjRlZDI5N2M1M2YzZmU2ZGI1N2FjIiwiaXNzIjoic2VydmVzLmNrMS5tZSIsImF1ZCI6ImF1dGguY2sxLm1lIiwiaWF0IjoxNzg1NDU4OTM2LCJleHAiOjE3ODU0NTkyMzZ9.CMKBX8O_mL3My6lamALZxviqzrWn27aFIM_AKQHFufg

(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.eyJyZXMiOnsidHlwZSI6Im9iamVjdCIsImlkIjoic2l0ZW1hcC54bWwifSwid29yZCI6Im1vbm9sb2d1ZSIsImp0aSI6IjZiNTc0OTA1NDkyMjRlZDI5N2M1M2YzZmU2ZGI1N2FjIiwiaXNzIjoic2VydmVzLmNrMS5tZSIsImF1ZCI6ImF1dGguY2sxLm1lIiwiaWF0IjoxNzg1NDU4OTM2LCJleHAiOjE3ODU0NTkyMzZ9.CMKBX8O_mL3My6lamALZxviqzrWn27aFIM_AKQHFufg' -o 'sitemap.xml'