That is the first rock to be picked up, carried for a year, and deposited elsewhere on the same not-Earth planet, by humans via the rover. That rock would never have ended up where it did were it not for chance human intervention.
Rock moving has been a part of our existential comfort/answer/justification for so long that now we are even having a joy out of it when we can do it on another planet.
No no no. Unacceptable. I say we send a manned mission up to Mars, and reunite the rover with the pet rock.
This is the most important thing of this or any other generation. This will be the Zoomers moon landing moment. Disney will somehow own the copyright to this moment in 200 years, and make a largely ficticious, but partially inspired animated film based on this mission.
Martian colony, 2224, your guide at the Museum of Mars: And here we have the famous hitchhiking stone, which was retrieved after a 3500 kilometer trek from the colonial landing site to reclaim the Perseverance so that these two old friends could finally be reunited in time for the 200th year anniversary of their untimely separation.
"Don't forget to stop by the give shop and pick up your 'hitchhiking stone' keychain!"
"Why do they call a cheap piece of plastic shaped like the rock with a small split ring attached to it a 'keychain'? What does any of this have to do with digital encryption keys?"
"I don't know either, but make sure to buy one as a souvenir."