arXiv jise archive uchchaarit karte hain ganit, bhautiki, rasaayaniki, khagoliki, sanganiki (computer science), maatraatmak (kavaunteetetiv) jeevavijnyaaan, saankhyiki (staitistiksa) aur maatraatmak vitt (faainainsa) ke shobon mein vaigyaanik lekhon ka ek kosh hai jise intaranet par khoja aur padha ja sakta hai. san 1991 mein iski sthaapana hui aur yeh teji se badhne laga. vartamaan mein bahut se vidvaan kisi nai khoj ya soch par lekh likhne ke baad swayam hi use 'archive-kosh' par daal dete hain. October 3, 2008 tak ismein 5 lakh se adhik lekh the. 2012 tak ismein har maheene 7,000 se adhik nae lekh jode ja rahe the.
11,380 (August 2012 tak [update])[1]