https://lemire.me/blog/2019/12/19/xor-filters-faster-and-smaller-than-bloom-filters/ seems to be a good fit. I have the impression that there is a single design and everybody can implement it the same way. And it's made for static filters, which they will be if we share them in events.

People can use many hash types, rounds, sizes and so on. We need to specify it.