wget https://4dn-open-data-public.s3.amazonaws.com/fourfront-webprod/files/284e9012-4c4e-462d-9ecf-09f414ca1dbc/4DNFIPA2H14J.flex
aws s3 cp s3://4dn-open-data-public/fourfront-webprod/files/284e9012-4c4e-462d-9ecf-09f414ca1dbc/4DNFIPA2H14J.flex 005008016.flex
test "543a8ba0451b0b8b8d5e277adab95add" = "$(md5sum 005008016.flex)"
drs get -d https://data.4dnucleome.org 4DNFIPA2H14J