wget https://4dn-open-data-public.s3.amazonaws.com/fourfront-webprod/files/1c3125cc-a8a9-41c9-b2ab-91d842cb00aa/4DNFIG1A18UX.flex
aws s3 cp s3://4dn-open-data-public/fourfront-webprod/files/1c3125cc-a8a9-41c9-b2ab-91d842cb00aa/4DNFIG1A18UX.flex 005008035.flex
test "9c5fb7c596c441e058f7fdbf6b8eac6e" = "$(md5sum 005008035.flex)"
drs get -d https://data.4dnucleome.org 4DNFIG1A18UX