URN -> article

URN urn:opendata:article
Description An article on the site (...article:domain.com:...) or a post on a user's blog (...article:user@domain.com:...)
Example urn:opendata:article:domain.com:e31a251b34bc7fdba458dc42c1c46bb727a6b117
Name Description Example of filling
name Article title Some kind of article title
url Internet address of the article http://ethnogenesis.org/ru/articles/collection-arguments
author Article author author@example.com
img Article avatar http://example.com/img.jpg
short_text Article announcement text In this article we will talk about kittens
text_markdown
pdf Link if the article is presented as a pdf file http://example.com/article.pdf