Determining if a DOI is/has an alias and if it is locked/unlocked?

Metadata Retrieval
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1

Is there a programmatical way to determine if a DOI is and alias or has alias?

Is there a way to determine is a DOI is locked or unlocked?

Thank you.

Abba

2

I should have searched more thoroughly.

I see this from a post made by Isaac:

10.5479/si.0081024X.43.1

I guess there is no way to know if an alias exists for 10.5479/si.0081024X.43.1 ?

I was still not able to see anything on whether a DOI is locked or not.

3

Hi Abba,

DOI 10.5479/si.0081024X.43.1 is the primary DOI in itself relationship with aliased DOI 10.5479/si.0081024X.43. So, DOI 10.5479/si.0081024X.43 has been aliased to DOI 10.5479/si.0081024X.43.1.

You can see this in our XML API: https://doi.crossref.org/search/doi?pid=support@crossref.org&format=unixsd&doi=10.5479/si.0081024X.43

Screenshot 2023-02-21 at 8.29.37 PM
Screenshot 2023-02-21 at 8.29.37 PM1920×874 174 KB

So, when a DOI is aliased, the only way to update that DOI’s metadata is to unalias it. When a DOI is aliased the member responsible for that DOI is signaling to us that the aliased DOI is a duplicate of the primary and will no longer be maintained (instead, the primary DOI would be maintained going forward). I assume that is what you mean by locked/unlocked?

You can learn more about unaliasing DOIs here: Conflict report - Crossref

Please let me know if you have any additional questions,
Isaac