wget https://4dn-open-data-public.s3.amazonaws.com/fourfront-webprod/files/cd7bf0f6-1ac3-419b-8269-0f718d3edb48/4DNFI74TXZEI.flex
aws s3 cp s3://4dn-open-data-public/fourfront-webprod/files/cd7bf0f6-1ac3-419b-8269-0f718d3edb48/4DNFI74TXZEI.flex 006008026.flex
test "cab50978e8bd8e623b3d97a92c36768e" = "$(md5sum 006008026.flex)"
drs get -d https://data.4dnucleome.org 4DNFI74TXZEI