silverstein and associated "leaked" the obsolete plans that robertson made to present the concept to yamasaki.
wtc blueprints leaked by whistleblower
notice the title block is freehand lettered. Not credible on final drawings for 2 of the tallest buildings in the world.
The revision tables were digitally added after the blueprints were scanned.
But the very first 9-11 site happens to disseminate the plans without divulging where they came from.
And the leading 9-11 architect disseminates them as well, not telling people where they came from.
north tower blueprints
but niether of those sites has the only image of either towers semi complete core structure on 9-11.
And the reason why is that one image proves the plans they disseminate do not represent the buildings that stood.