A number should trace back to something someone measured. Here is a headline from a client deck. Open each link in its history and walk it back.
Which link first put the number 68% into the world?
An invented example, not a real study or recorded model output. The point is a general property of a production chain: a number can look sourced at the top and dissolve into an invented or an undisclosed-synthetic step underneath. Captured 11 August 2026.