(CNN) In the wake of Joe Biden's sweeping victories on Super Tuesday, a very odd pushback began among online forces supportive of Bernie Sanders (and fomented by President Donald Trump and his loyal allies) that the whole process has somehow been "rigged" against him.

Hashtags like "#RiggedDNC" and "#RiggedPrimary" were trending on Twitter throughout the early morning hours of Wednesday as it became more and more clear that the former vice president had won in places like Massachusetts, Minnesota and Texas that were presumed to be Sanders strongholds.

Looking through the tweets collected under those hashtags, the main evidence of this alleged rigging seems to be:

a) confusing ballots in various states where Sanders' name was not easily found

b) the series of establishment endorsements by people like Pete Buttigieg and Amy Klobuchar of Biden on Monday.

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