wget https://4dn-open-data-public.s3.amazonaws.com/fourfront-webprod/files/a986b1e9-3770-4351-beab-ee84532b1315/4DNFIF3YO8MT.flex
aws s3 cp s3://4dn-open-data-public/fourfront-webprod/files/a986b1e9-3770-4351-beab-ee84532b1315/4DNFIF3YO8MT.flex 005009024.flex
test "9e28309231d4fbd9127acc382ead855f" = "$(md5sum 005009024.flex)"
drs get -d https://data.4dnucleome.org 4DNFIF3YO8MT