> What is bitemporality?

You have this as a header but I’m really bummed out that the article doesn’t have a sentence that begins with “bitemporality is..” I think some illustrations to accompany your ideas might go a long way as well, as I still have no idea what bitemporality is in this scenario, although it sounds cool.

> The “bi” in bitemporal database hints at the fact, that for the use case described above we have two different times we’d like to track: On one axis we have the validity of the data.

I genuinely don’t mean to be rude, only to provide constructive feedback. This section kind of broke my flow, because you’re implying that validity is a form of time: “ two different times we’d like to track: On one axis we have the validity.” Is that intended?