user1558: Based on this, it seems like it did http://blockchain.info/p2sh but it seems I can't find a definitive answer.

user153: Yes it did, on April 1, 2012.
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1558: <p>Based on this, it seems like it did <a href="http://blockchain.info/p2sh" rel="nofollow">http://blockchain.info/p2sh</a> but it seems I can't find a definitive answer.</p>
 153: <p>Yes it did, on April 1, 2012.</p>

<p>[removed link to chain of orphaned blocks]</p>
