Gravatar server cache

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Published on 2010-04-13T00:49:47Z Indexed on 2010/04/13 0:52 UTC
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Does anyone know how and when Gravatar refreshes their icon caches? I changed my gravatar image for an email about a week ago. For the most part, my profiles that use it have had their avatar icons of various sizes refreshed, except one.

In particular, the following URIs, while using the exact same email hash, fetch two completely different images:

http://www.gravatar.com/avatar/73166d43fc3b2dc5f56669ce27984ad0?d=identicon&s=35

http://www.gravatar.com/avatar/73166d43fc3b2dc5f56669ce27984ad0?s=35&d=identicon

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