wget https://4dn-open-data-public.s3.amazonaws.com/fourfront-webprod/files/da07dae5-e1a0-4fe2-b0ca-52a0b1257464/4DNFIN11QFH9.r3d
aws s3 cp s3://4dn-open-data-public/fourfront-webprod/files/da07dae5-e1a0-4fe2-b0ca-52a0b1257464/4DNFIN11QFH9.r3d Chr11A_Chr2A_31.r3d
test "f1f41904a524923f10561cc9041cbb27" = "$(md5sum Chr11A_Chr2A_31.r3d)"
drs get -d https://data.4dnucleome.org 4DNFIN11QFH9