The phrase "a fact confirmed" is correct and usable in written English.
It can be used when stating that a particular fact has been verified or validated.
Example: "The results of the experiment were surprising, but they were indeed a fact confirmed by multiple studies."
Alternatives: "a verified fact" or "an established fact".
Thus it always helps to make giving look good for one's social status, a fact confirmed by research.
It doesn't work that way, a fact confirmed by many studies of the historical record.
Each brand can be made up of different varieties of potatoes, a fact confirmed by major suppliers and supermarkets.
"He was 61," says Mike O'Neill, a fact confirmed by Wiki... ahem, an exhaustive search of reputable internet sites.
Independent security experts have long suspected that the NSA has been introducing weaknesses into security standards, a fact confirmed for the first time by another secret document.
It has been thought that the Kiwis would relish sailing in fresher winds, a fact confirmed by the principal race officer, Harold Bennett.
The second half of the statement suggests that Kushner has not yet been contacted by the F.B.I., a fact confirmed to me by the White House.
He can tell you that this year ranks sixth in recorded rainfall in Central Park, a fact confirmed by Todd Miner, a meteorologist at Pennsylvania State University.
Such improvement was attributed to the higher electroactive surface area and conductivity of Gr-Brush, a fact confirmed by cyclic voltammetry and impedance measurements.
Indigenous traditions, both Brahmanical and Jaina, suggest that the founder of the dynasty, Mahapadma (who was also known as Mahapadmapati, or Ugrasena), evidently had a low social origin a fact confirmed by classical scholarship.
He did, though, point out that his support has grown since last month's terror attack in Paris a fact confirmed by a new poll, released on Friday, by CNN, that shows him more than twenty points ahead of his nearest Republican rival, Ben Carson.
