Is Google broken?

It's now been 2 days since Google last updated its response pages and cached versions of the seraphim proudleduck pages. Its bots continue crawling daily but no "fresh tags" (date) appear for the websites listed.

This would not be so strange is the phenomenon was limited to the seraphim proudleduck pages. We know this can happen for specific (spammy) keywords, we had this in the mangeur de cigogne SEO contest.

The concerning thing this time is that the freeze hits the whole Google index. Yesterday an update started on some data centers, but it did not spread. Finally all the DCs reverted to last sunday's status.

Technical problem at Google? Major update under preparation? We will soon find out. Until then seraphim proudleduck is stuck in position 9...