wget https://4dn-open-data-public.s3.amazonaws.com/fourfront-webprod/wfoutput/b6064260-1622-4335-be6a-336491191698/4DNFI91IQ75S.txt
aws s3 cp s3://4dn-open-data-public/fourfront-webprod/wfoutput/b6064260-1622-4335-be6a-336491191698/4DNFI91IQ75S.txt 4DNEXE66DVUD.txt
test "c18b0c2bf677a3eefbf4c1ca14209232" = "$(md5sum 4DNEXE66DVUD.txt)"
drs get -d https://data.4dnucleome.org 4DNFI91IQ75S