Adding a publication to one's profile
When adding a publication to one's profile, if one could enter only the DOI number, the rest of the publication data should auto-populate. This would make the process much easier and faster for users.

This is partially supported, although not well labeled in the product. See screenshot in comments.
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This works in the product today although not super intuitive. If you paste a DOI into the Title field, our auto-lookup feature will search for a matching DOI and allow you to select the appropriate title (assuming you know the title of the article), this will then auto-populate all the metadata fields -- including the DOI field -- with the appropriate metadata.