Sounds a lot like logical clocks https://en.wikipedia.org/wiki/Logical_clock https://en.wikipedia.org/wiki/Logical_clock, especially something like a vector clo

Sounds a lot like logical clocks https://en.wikipedia.org/wiki/Logical_clock https://en.wikipedia.org/wiki/Logical_clock, especially something like a vector clock https://en.wikipedia.org/wiki/Vector_clock https://en.wikipedia.org/wiki/Vector_clock.