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Maybe a better way to phrase it succinctly is that you are claiming that:

My boss doesn't want me to say I performed tasks I'm not qualified to

But I suspect what would be a more correct interpretation would be:

My boss doesn't want me to say I'm not qualified to people who are external to our project

And that's a very different scenario to be in.

However...

However, take note of "the right people" in the above paragraph.

Stating that you recommend having a professions vet the theory before releasing it is absolutely fine. Stating that you have no qualification on the subject is not fine.

Stating that you personally recommend having a professional vet the theory before releasing it is absolutely fine (assuming you already mentioned this to your company and they did not already state that they would do so themselves). Stating that you have no qualification on the subject is not fine.