wget https://4dn-open-data-public.s3.amazonaws.com/fourfront-webprod/wfoutput/d26afc6d-2066-4fed-b432-5a0c9d6670d9/4DNFIAVXXO55.mcool
aws s3 cp s3://4dn-open-data-public/fourfront-webprod/wfoutput/d26afc6d-2066-4fed-b432-5a0c9d6670d9/4DNFIAVXXO55.mcool 4DNFIAVXXO55
test "1813165c59bd4c297785c8e56d26422a" = "$(md5sum undefined)"
drs get -d https://data.4dnucleome.org 4DNFIAVXXO55