wget https://4dn-open-data-public.s3.amazonaws.com/fourfront-webprod/wfoutput/aeff1d67-cb7e-428e-baac-4ad8bea7424d/4DNFI4C9A3KH.mcool
aws s3 cp s3://4dn-open-data-public/fourfront-webprod/wfoutput/aeff1d67-cb7e-428e-baac-4ad8bea7424d/4DNFI4C9A3KH.mcool 4DNFI4C9A3KH
test "1d6eb58112cde38f8b9517d6cbb333f0" = "$(md5sum undefined)"
drs get -d https://data.4dnucleome.org 4DNFI4C9A3KH