wget https://4dn-open-data-public.s3.amazonaws.com/fourfront-webprod/wfoutput/437df63b-49a2-4a72-b8c8-812b57f179f0/4DNFIFQJ9CDY.mcool
aws s3 cp s3://4dn-open-data-public/fourfront-webprod/wfoutput/437df63b-49a2-4a72-b8c8-812b57f179f0/4DNFIFQJ9CDY.mcool 4DNFIFQJ9CDY
test "4e1e68df792a9e269153227788d8dad2" = "$(md5sum undefined)"
drs get -d https://data.4dnucleome.org 4DNFIFQJ9CDY