Sensors and math/programming are points of disparity.
Looking at the various citations describing the algorithms here and at NSIDC I see that that the basic algorthim described way back in the day, especially the one used at your favorite site, is part of the NSIDC method; is well known and is commonly accepted.
My question was how do you account for the differences between the various web sites?
You write "Sensors and math/programming are points of disparity."
It's been months since I've been at this site ... we're now approaching the summer min arctic ice extent, and I remembered this thread on the max. IJIS data says max was 13,887,188 unless I'm missing something.
Congratulations to whoever had the single vote for Bin number 8! I was one of the 4 who chose Bin number 7, so I'd say that paying attention to physical reality makes for better guessing that whatever the 25 people who voted for Bins 1 and 2 were thinking.