wget https://4dn-open-data-public.s3.amazonaws.com/fourfront-webprod/files/1396885c-db2b-449f-af89-f50185cb8552/4DNFIYRV1Q82.flex
aws s3 cp s3://4dn-open-data-public/fourfront-webprod/files/1396885c-db2b-449f-af89-f50185cb8552/4DNFIYRV1Q82.flex 006010034.flex
test "cee07232d908cfe64a281850fbe6cd61" = "$(md5sum 006010034.flex)"
drs get -d https://data.4dnucleome.org 4DNFIYRV1Q82