wget https://4dn-open-data-public.s3.amazonaws.com/fourfront-webprod/wfoutput/9c8cbba1-d65a-4053-8de3-bf5218d13507/4DNFIG2PXPZ6.mcool
aws s3 cp s3://4dn-open-data-public/fourfront-webprod/wfoutput/9c8cbba1-d65a-4053-8de3-bf5218d13507/4DNFIG2PXPZ6.mcool 4DNFIG2PXPZ6
test "ccc702da97dbd4b58e84821bb79c1c02" = "$(md5sum undefined)"
drs get -d https://data.4dnucleome.org 4DNFIG2PXPZ6