How to get the DOI before uploading a preprint? Must one use the same DOI for all files in a project? How to see the DOI of docs that got one from RG?

I want to upload a new version of my research proposal. I can remember to have seen an automatic attribution of a DOI to the accompanied data file, but I don't know how to retrieve it. Maybe it...

07 April 2020 1,211 4 View