Wow, thanks for the explanation! I would love to learn more about the software you guys use! One specific question, how do you know if the checksum is correct?

Wow, thanks for the explanation! I would love to learn more about the software you guys use! One specific question, how do you know if the checksum is correct? Do you keep a database of checksums stored on a specific pod? And if the checksum is not correct, do you have other copies on other pods?