wget https://4dn-open-data-public.s3.amazonaws.com/fourfront-webprod/files/503e3ff3-9f72-463e-8ef5-bba96dd450ec/4DNFI3FA8J85.r3d
aws s3 cp s3://4dn-open-data-public/fourfront-webprod/files/503e3ff3-9f72-463e-8ef5-bba96dd450ec/4DNFI3FA8J85.r3d Chr11A_Chr2A_56.r3d
test "a7408c516c501783fe4c6e845b485db6" = "$(md5sum Chr11A_Chr2A_56.r3d)"
drs get -d https://data.4dnucleome.org 4DNFI3FA8J85