Indication of withdrawn preprints

I came across some preprints that have been removed.
Using the Crossref API, there doesn’t seem to be any indication that this is the case?

These are the example DOIs:

  • 10.2139/ssrn.3723171
  • 10.22541/au.160684072.22355285/v1
  • 10.22541/au.161796204.43986088/v1

Am I missing a field that indicates that they have been “withdrawn”?
Is there another way that information should be found out?

Thank you

Hello, and thanks for your question.

There are various ways to indicate a withdrawal in the metadata record (some better than others) but none of them are strictly required. We only require that the DOI for a withdrawn item resolves to a notification page which indicates the withdrawal there.

10.2139/ssrn.3723171 does resolve to a landing page with a withdrawal notice. But, unfortunately, 10.22541/au.160684072.22355285/v1 and 10.22541/au.161796204.43986088/v1 do not. A 404 error is definitely not sufficient! I can reach out to Authorea about correcting those.

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