wget https://4dn-open-data-public.s3.amazonaws.com/fourfront-webprod/files/05d293d5-2b4d-4dcc-a112-3749934c8007/4DNFI4FL8WOD.flex
aws s3 cp s3://4dn-open-data-public/fourfront-webprod/files/05d293d5-2b4d-4dcc-a112-3749934c8007/4DNFI4FL8WOD.flex 006009031.flex
test "ee58cd99025a481267918f5a66284d86" = "$(md5sum 006009031.flex)"
drs get -d https://data.4dnucleome.org 4DNFI4FL8WOD