wget https://4dn-open-data-public.s3.amazonaws.com/fourfront-webprod/wfoutput/304c32e5-e716-4617-858e-184742fa8cb4/4DNFI4GP33LY.mcool
aws s3 cp s3://4dn-open-data-public/fourfront-webprod/wfoutput/304c32e5-e716-4617-858e-184742fa8cb4/4DNFI4GP33LY.mcool 4DNFI4GP33LY
test "075fc09d025124dd67eee3d12867ab5f" = "$(md5sum undefined)"
drs get -d https://data.4dnucleome.org 4DNFI4GP33LY