Pergola post installation?

Hi All,
Just found this site and looking forward to sharing ideas to improve our trade. I am building a pergola using western cedar-6x6 and 6x10 and want to here better ideas about the post connection at the base. Here is my plan-flooring to be natural orchard stone, drill hole in center of post and thru orchard stone and slab, install plinth(aluminum) to keep moisture from wicking, epoxy #4 rebar into both holes to maintain lateral and uplift resistance, apply cedar base trim to cover plinth. Any better ideas??

Thanks Bruce