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Type of site
Available inEnglish
OwnerPhilip Gibbs
Current statusOnline

viXra is an electronic e-print archive set up by independent physicist Philip Gibbs as an alternative to the dominant arXiv service operated by Cornell University. Its name comes from arXiv spelled backwards.[1]


Although dominated by physics and mathematics submissions, viXra aims to cover topics across the whole scientific community. It accepts submissions without requiring authors to have an academic affiliation and without any threshold for quality.[1] The e-prints on viXra are grouped into seven broad categories: physics, mathematics, computational science, biology, chemistry, humanities, and other areas.[2] Anyone may post anything on viXra, though house rules do prohibit “vulgar, libellous, plagiaristic or dangerously misleading” content.[3] As a result, the site has a reputation among physicists for hosting "material of no interest".[4] Physicist Gerard 't Hooft writes, "When a paper is published in viXra, it is usually a sign that it is not likely to contain acceptable results. It may, but the odds against that are considerable".[5]

Gibbs' original motivation for starting the archive was to cater for researchers who believed that their preprints had been unfairly rejected or reclassified by the arXiv moderators.[6] As of 2013 it had over 4000 preprints[7] and in January, 2018 the number had grown to 21,883.[8]


  1. ^ a b "What’s arXiv spelled backwards? A new place to publish". Nature News Blog. 16 July 2009.
  2. ^ " open e-print archive". Retrieved 22 August 2011.
  3. ^ Becker, Kate (2016-10-27). "What Counts as Science?". Nautilus. Retrieved 2017-11-28.
  4. ^ Reyes-Galindo, Luis (2016-04-29). "Automating the Horae: Boundary-work in the age of computers" (PDF). Social Studies of Science. 46 (4): 586–606. arXiv:1603.03824. doi:10.1177/0306312716642317. PMID 28948871.
  5. ^ 't Hooft, Gerard (2017-11-15). "The importance of recognising fringe science" (PDF). Institute for Theoretical Physics, Utrecht University. Retrieved 2017-11-28.
  6. ^ "Fledgling site challenges arXiv server". Physics World. 15 July 2009. Archived from the original on 6 November 2011. Retrieved 16 January 2015. Cite uses deprecated parameter |dead-url= (help)
  7. ^ Gibbs, Philip E. (2013), "A Good Year for viXra", Prespacetime Journal, 4 (1): 87–90.
  8. ^ Official site (front page)

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