I just came across the 2010 web page
https://pantone.ccnsite.com/gallery/HELDER-visual-identity/603956,
associated with the Adobe site "Behance.net." That page suggested
I too should have a Behance web presence.
And so the diamond theorem now appears at . . .
https://www.behance.net/gallery/64334249/The-Diamond-Theorem.