Last modified: 2013-06-07 09:57:25 UTC
The Wikipedia article should have a link to the corresponding Wikidata item in action=info.
I've been working on this. What I've done is to include the the Entity ID of the corresponding Wikibase Repo to the action=info page of the Wikibase Client article page.
Related URL: https://gerrit.wikimedia.org/r/64644 (Gerrit Change Ifa6ca0f0e6180d1eacf4cfae3e1746b40cd34be0)
https://gerrit.wikimedia.org/r/64644 (Gerrit Change Ifa6ca0f0e6180d1eacf4cfae3e1746b40cd34be0) | change APPROVED and MERGED [by jenkins-bot]
Verified in Wikidata demo sprint 22-6