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by dsamarin 2665 days ago
Normally you want to keep your random number source secret, but this has a good application for trusted timestamping[0]. You can use the random output with a signature to proof that you had some information before a specific time.

[0]: https://en.wikipedia.org/wiki/Trusted_timestamping

2 comments

Right, but then

  wget ftp://cddis.gsfc.nasa.gov/gnss/data/daily/2019/brdc/brdc0690.19n.Z
seems much simpler
This allows you to generate those values offline, without informing NASA.
Ah, it would be a candidate to replace the "here are the headlines of the day to prove I didn't create this message in the past"