> GrapheneOS supports device attestation (the non-google kind at least) they have an app that does GOS to GOS attestation. they also run a remote attestation

> GrapheneOS supports device attestation (the non-google kind at least) they have an app that does GOS to GOS attestation. they also run a remote attestation proxy to a google attestation intermediary (doesn't really accomplish anything). they unfortunately don't provide you with the option to disable the Android APIs that can be used to get a unique hardware identifier from your device (cryptographic identity burned into the silicon) with some extra steps. APIs such as remote attestation and DRM handshake initiation.