wget https://4dn-open-data-public.s3.amazonaws.com/fourfront-webprod/files/72e85f65-6f13-4125-a1c8-bbfd5af543a1/4DNFIINL3P97.r3d
aws s3 cp s3://4dn-open-data-public/fourfront-webprod/files/72e85f65-6f13-4125-a1c8-bbfd5af543a1/4DNFIINL3P97.r3d Chr4A_Nucl_78.r3d
test "1fabcd19cd4ce5b2828bd90b0a1cf495" = "$(md5sum Chr4A_Nucl_78.r3d)"
drs get -d https://data.4dnucleome.org 4DNFIINL3P97