The phrase "attested to have" is correct and usable in written English.
It can be used when referring to evidence or confirmation of a fact or event that has been documented or verified.
Example: "The document attested to have been signed by the witness on the specified date."
Alternatives: "verified to have" or "confirmed to have".
Amelius, who is attested to have known Numenius' work by heart (ibid. 3.44 5), devoted a special work on this topic, On the Difference Between the Doctrines of Plotinus and Those of Numenius (ibid. 17.1 6).
The southern wing of the building, that is, the right-hand side of the map in Figure 2, is attested to have been demolished in the 18th century, thus leaving the courtyard of the castle partially exposed, as visible in the top picture of Figure 1.
Rapists of virgins and children are also attested to have been buried alive, with a stake driven through them.
The extant angiosperms have been attested to have experienced a rapid diversification in the Early Cretaceous period when the environment underwent tremendous changes (Stuessy 2004; Field and Arens 2005), resulting in the evolution of many plant-specific genes.
Worrilow, who has modestly attested to having a sharp memory, earned the coaches' label "one-timer".
The immediate issue is robo-signing, in which employees at Bank of America, JPMorgan Chase and other banks falsely attested to having verified the facts in what may turn out to be hundreds of thousands, or more, court foreclosure filings.
All participants attested to having slept well the night before the experiment to exclude the influence of sleep deprivation.
Yeah, they've attested to having "We Are Never Ever Getting Back Together" featured on a Spotify playlist in the past and may have even gravitated to "Teardrops On My Guitar" throughout middle school.
Nolot attested to having found it difficult to produce the film due to the subject matter; he stated that "there is not a day that goes by that I am not mindful of the horrific tragedies we uncovered".
Without any help from the police, Ms Trimarco found witnesses who attested to having suffered in brothels alongside Marita, who had seen her being beaten and had watched as she was held captive so as to be at the beck and call of "VIP" clients. .
In addition, 10% (24) of the participants attested to having been diagnosed and treated for brucellosis before.
