wget https://4dn-open-data-public.s3.amazonaws.com/fourfront-webprod/wfoutput/4418a0f1-a8f1-4105-916a-0514df16a881/4DNFI1O3LV5R.mcool
aws s3 cp s3://4dn-open-data-public/fourfront-webprod/wfoutput/4418a0f1-a8f1-4105-916a-0514df16a881/4DNFI1O3LV5R.mcool 4DNFI1O3LV5R
test "eced5a1aed6a2d0a24a863f9d0e07186" = "$(md5sum undefined)"
drs get -d https://data.4dnucleome.org 4DNFI1O3LV5R