wget https://4dn-open-data-public.s3.amazonaws.com/fourfront-webprod/wfoutput/46b0a3be-80aa-42ff-80aa-1946fe5854c9/4DNFI1C89XQJ.mcool
aws s3 cp s3://4dn-open-data-public/fourfront-webprod/wfoutput/46b0a3be-80aa-42ff-80aa-1946fe5854c9/4DNFI1C89XQJ.mcool 4DNFI1C89XQJ
test "02c4c24a46bc903a6fde8945a1cd7b5f" = "$(md5sum undefined)"
drs get -d https://data.4dnucleome.org 4DNFI1C89XQJ