As far as I know, it hasn&#x27;t been proven, as the requisite access has not been granted. Of course, Rossi could easily have disproved it as soon as the issue was raised, if it were not so.<p>Edit: The posited arrangement is diagrammed and described here, along with other reasons to doubt:<p><a href="http:&#x2F;&#x2F;scienceblogs.com&#x2F;startswithabang&#x2F;2013&#x2F;05&#x2F;21&#x2F;the-e-cat-is-back-and-people-are-still-falling-for-it&#x2F;" rel="nofollow">http:&#x2F;&#x2F;scienceblogs.com&#x2F;startswithabang&#x2F;2013&#x2F;05&#x2F;21&#x2F;the-e-cat...</a>