Hi! Long time. I thought about this actually and also about other peaks I have surveyed over the years. The official elevations never correspond to the (D)GPS readings and the case is the same comparing summit measurements and SRTM data.
In the case of Pissis I chose to use the official altitude.
"Got tight last night on absinthe and did knife tricks. Great success shooting the knife into the piano. The woodworms are so bad and eat hell out of all furniture that you can always claim the woodworms did it."