ota is a special language added for wikidata. (see bug 57342)
it is a rtl language but is treated as ltr. it's probably lacking direction information in mediawiki, uls and/or some place.
Version: wmf-deployment
Severity: normal
Whiteboard: u=dev c=infrastructure p=0
See Also:
https://bugzilla.wikimedia.org/show_bug.cgi?id=57342