But on other other side of a hypothetical situation spectrum, it could also mean something like "Our agreement with OpenAI provides us with robust fallback access to Source Code, Training recipes and Model data in escrow should a particular trigger situation happen."
“Full access to everything we need.” == “We have carefully crafted contractual agreements in place and a huge and very experienced legal department ready at a moment's notice to enforce them.”
Ultimately, that amounts to the same thing you said anyway.
But on other other side of a hypothetical situation spectrum, it could also mean something like "Our agreement with OpenAI provides us with robust fallback access to Source Code, Training recipes and Model data in escrow should a particular trigger situation happen."