wget https://4dn-open-data-public.s3.amazonaws.com/fourfront-webprod/files/96a195bc-d3b3-45cd-bb92-1ae1428b609f/4DNFILW7QPI4.flex
aws s3 cp s3://4dn-open-data-public/fourfront-webprod/files/96a195bc-d3b3-45cd-bb92-1ae1428b609f/4DNFILW7QPI4.flex 005009018.flex
test "e23348423e5317b944c19732badf0942" = "$(md5sum 005009018.flex)"
drs get -d https://data.4dnucleome.org 4DNFILW7QPI4