Synthesized answer
The provided passage does not detail specific evidence that the author provides. It only states that the book "Outlines a program to develop sciences for artifacts that are usually outside the ambit of natural sciences" [1]. Therefore, the nature of the evidence, if any, is not present in this excerpt.
Synthesized from the book passages below. Chat with the book on Feynman for follow-up.
From the book
Title: The sciences of the artificial by Herbert Alexander Simon Description: Outlines a program to develop sciences for artifacts that are usually outside the ambit of natural sciences.