wget https://4dn-open-data-public.s3.amazonaws.com/fourfront-webprod/files/2d9d6f4e-ee1a-4654-a38f-1ae5f26cf3e3/4DNFIVFGKOQ5.flex
aws s3 cp s3://4dn-open-data-public/fourfront-webprod/files/2d9d6f4e-ee1a-4654-a38f-1ae5f26cf3e3/4DNFIVFGKOQ5.flex 005008025.flex
test "4679a50637b1765632953eed5548e5c6" = "$(md5sum 005008025.flex)"
drs get -d https://data.4dnucleome.org 4DNFIVFGKOQ5