wget https://4dn-open-data-public.s3.amazonaws.com/fourfront-webprod/wfoutput/c4c31f39-8898-47ba-b217-b6310e89d0db/4DNFICQK4N8B.mcool
aws s3 cp s3://4dn-open-data-public/fourfront-webprod/wfoutput/c4c31f39-8898-47ba-b217-b6310e89d0db/4DNFICQK4N8B.mcool 4DNFICQK4N8B
test "758512bf1ca81323c870963e8274563c" = "$(md5sum undefined)"
drs get -d https://data.4dnucleome.org 4DNFICQK4N8B