wget https://4dn-open-data-public.s3.amazonaws.com/fourfront-webprod/wfoutput/afef03c1-0425-4c4b-af3e-d3c4baee2cb1/4DNFI1ESYX51.mcool
aws s3 cp s3://4dn-open-data-public/fourfront-webprod/wfoutput/afef03c1-0425-4c4b-af3e-d3c4baee2cb1/4DNFI1ESYX51.mcool 4DNFI1ESYX51
test "50de6e9e5a81e14b3efff76d3a0d64b1" = "$(md5sum undefined)"
drs get -d https://data.4dnucleome.org 4DNFI1ESYX51