wget https://4dn-open-data-public.s3.amazonaws.com/fourfront-webprod/files/f7689927-69e3-4f90-be5a-710511ac9f35/4DNFIIWE33CU.flex
aws s3 cp s3://4dn-open-data-public/fourfront-webprod/files/f7689927-69e3-4f90-be5a-710511ac9f35/4DNFIIWE33CU.flex 005008001.flex
test "7b3b99847be5b7a8bd8400f1943589b9" = "$(md5sum 005008001.flex)"
drs get -d https://data.4dnucleome.org 4DNFIIWE33CU