[malmeloo]

Only if you have the private key belonging to the AirTag at the time of location capture. Anyone can download encrypted location reports for any AirTag found in the wild, but only the owner can decrypt them with the private key.

[hattmall]

So how does one get the private key for an airtag without associating it to their account?

[malmeloo]

By dumping it from a Mac. But that's not what this project does, it uses diy AirTags without rotating keys so you don't need to do all that.