wget https://4dn-open-data-public.s3.amazonaws.com/fourfront-webprod/wfoutput/b4e8b87b-e857-4bf0-8b05-cc0dd7c4c9d1/4DNFI6T2MMK2.bb
aws s3 cp s3://4dn-open-data-public/fourfront-webprod/wfoutput/b4e8b87b-e857-4bf0-8b05-cc0dd7c4c9d1/4DNFI6T2MMK2.bb 4DNFI6T2MMK2
test "18f611317288af1173bee821441b6de8" = "$(md5sum undefined)"
drs get -d https://data.4dnucleome.org 4DNFI6T2MMK2