wget https://4dn-open-data-public.s3.amazonaws.com/fourfront-webprod/files/e5337cbd-c4a1-46fd-8a23-84a6b37fae11/4DNFIW9T1TPD.r3d
aws s3 cp s3://4dn-open-data-public/fourfront-webprod/files/e5337cbd-c4a1-46fd-8a23-84a6b37fae11/4DNFIW9T1TPD.r3d Chr11A_Chr2A_50.r3d
test "fe9f8ab52998c449a767bd1e5afe9bb0" = "$(md5sum Chr11A_Chr2A_50.r3d)"
drs get -d https://data.4dnucleome.org 4DNFIW9T1TPD