Cache issue in Blogger Blog

We are displaying Global Tech News in our blog by combining several RSS feeds using Yahoo Pipes.

I have noticed that this News was not getting updated correctly when refreshing the Blog page.

After doing some analysis I assumed that this behaviour is due to the browser Cache issue.

To avoid this issue normally we used to append some random value using javascript. But I am not sure how to handle this in Blogger.

I searched the blogger template code to find the timestamp in blogger.
I found the below code for adding timestamp. After including this timestamp along with the feed url, the cache issue was resolved.

<data:post.timestamp/>

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