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Thursday, 5 November 2026 Reading Room

Tech

How to find a free PDF of a scientific article from its DOI

You have a DOI, the publisher's page asks you to log in and you only need to read the methods section. Very often there is a free and legal copy somewhere: the author's university repository, a preprint, PubMed Central. Searching for it manually requires trying four or five websites. Doing it from code requires a handful of public APIs called in a reasonable order. The order that…

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dev.to ·

A tool has been developed to help find free and legal copies of academic articles. It uses public APIs, such as OpenAlex, to locate articles and check for available PDFs. The tool was tested with two articles, a 2024 meta-analysis by Hartanto et al. (DOI: 10.1037/tmb0000123) and a 2017 study by Ward et al. (DOI: 10.1086/691462).

For the meta-analysis, the tool found a 1.6 MB PDF in a university repository, but for the other article, it was unable to find a free PDF. The tool checks the first five bytes of a downloaded file to ensure it is a PDF.

Written by urgent.news from Dev.to's report — not a translation of it. Machine-written — may contain errors; check the original before relying on it.

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5 Ways to Choose a Reliable Password Reset Email Service in 2026

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·dev.to

OpenStatus status pages need an access model before publication

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·dev.to

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