wget https://4dn-open-data-public.s3.amazonaws.com/fourfront-webprod/wfoutput/955a4bd7-7be6-4377-91c8-27e28b4d5c76/4DNFIF1CGHBM.mcool
aws s3 cp s3://4dn-open-data-public/fourfront-webprod/wfoutput/955a4bd7-7be6-4377-91c8-27e28b4d5c76/4DNFIF1CGHBM.mcool 4DNFIF1CGHBM
test "86bdb0510730bb3ad886b2c98f7cd730" = "$(md5sum undefined)"
drs get -d https://data.4dnucleome.org 4DNFIF1CGHBM