wget https://4dn-open-data-public.s3.amazonaws.com/fourfront-webprod/files/7235a954-9569-4479-8625-889689aa8cbd/4DNFIHI7UAU7.r3d
aws s3 cp s3://4dn-open-data-public/fourfront-webprod/files/7235a954-9569-4479-8625-889689aa8cbd/4DNFIHI7UAU7.r3d Chr4A_SC35_28.r3d
test "e1acbe7869b21ecb7e40ce3cb266f148" = "$(md5sum Chr4A_SC35_28.r3d)"
drs get -d https://data.4dnucleome.org 4DNFIHI7UAU7