Identifying udpates to Safegraph Global POI & Geometry data

I have bulkdownloaded POI & Geometry data two months ago (April 2025). I know that the data coverage starts in 2019 and you started providing this data in 07/13/2023, And supposedly it is updated monthly on Day 5. At the moment, the latest cycle seems to be 06/05/2025.

However, in the data I downloaded, as far as I can see, there is no identifier indicating the refresh cycle the current download belongs to. Can you explain how I can date the snapshots?

Do you archieve a snapshot of each monthly update since you started providing the data?

Can I assume that if I download the current cycle it will contain new POIs that were identified over the last two months?