ArXiv.org does not assign DOIs to its preprints, but ResearchGate does. Are there other preprint repositories that assign DOIs for free?
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@TheGuy Yes, I've assigned them to my own preprints. See: ResearchGate DOIs. Try adding a preprint here; it should let you assign a DOI.– GeremiaJun 1, 2018 at 20:02
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Why do you want a DOI on sth. that is not 100% final? They are unique and permanent, so you're supposed to keep the target available in perpetuity.– KarlJun 1, 2018 at 20:31
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@Karl According to ResearchGate, "DOIs help you: • Make your research citable. • Put a date on your discovery." Also, RG's "DOIs can be generated for most of your unpublished work."– GeremiaJun 1, 2018 at 21:01
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8So is this question an ad for research gate or...?– user9646Jun 2, 2018 at 4:48
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1I suggest editing the question to essentially "where to obtain a DOI for a preprint for free?"– Oleg LobachevJun 2, 2018 at 15:30
6 Answers
Although meant for data, the Zenodo repository assigns free DOIs. Nothing hinders one from uploading PDFs there.
Biorxiv (the main life sciences preprint server) gives DOIs.
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ChemRxiv does that too– user64845Jun 3, 2018 at 10:24
arXiv assigns doi automatically since January 2022. And, all earlier articles have been assigned dois.
No preprint server should be charging authors any fees for DOIs? I would also +1 for BioRxiv or the Open Science Foundation has 18 different subject-based preprint repositories that might fit yours.
There is a community-curated list of preprint servers, and it takes note of which identifier is assigned to content - you can filter those by DOI.
Zenodo is a repository that assigns DOIs for free. You can access it via your GitHub account or ORCID ID.