wget https://4dn-open-data-public.s3.amazonaws.com/fourfront-webprod/files/07677381-5631-4ff3-86c2-12e5dfe94f15/4DNFIUX3J4NJ.r3d
aws s3 cp s3://4dn-open-data-public/fourfront-webprod/files/07677381-5631-4ff3-86c2-12e5dfe94f15/4DNFIUX3J4NJ.r3d Chr4A_SC35_5.r3d
test "1aac1ce8b412a60c4f15fd37317f6b19" = "$(md5sum Chr4A_SC35_5.r3d)"
drs get -d https://data.4dnucleome.org 4DNFIUX3J4NJ