Max Winga coauthored the September 8 explanation and is the programme’s listed contact. Coauthorship and public role do not establish that he personally wrote every negotiation email.
ControlAI identifies itself as the organization that approached Hossenfelder; the parties dispute the requested editorial control. No completed sponsorship, payment to Hossenfelder or verbatim final instruction established. Accounts are attributed, not reconciled by unseen correspondence.
ControlAI names Rational Animations as a paid video partner in its September 8 account. Sponsor self-report; contract, payment amount and complete-video authorship not established.