A Study about history of Bitcointalk Forum

Satoshi or a group of people created a forum for discussion about bitcoin in November 17, 2009 (most probably).
Previously, the discussion was held on a forum hosted on sourceforge, http://bitcoin.sourceforge.net/boards/index.php which is unreachable.
The first account made was a demo account named "admin" on November 17, 2009.
"admin" made 7 posts which are not visible (though not deleted) because it's hidden from users intentionally???
The second ever ID is deleted or hidden or never existed??
Sathoshi, the founder signed up in November 19, 2009.
The oldest ID that is still active (last seen Jan 6,2018) is of sirius joined on November 20, 2009.

Satoshi and admin both used Greenwich mean time's location, either he was committed to keep his anonymity or was really from that time zone.