The primary-source desk

Research briefs

Claim check / fact check / source check: one claim, sources named

Fact check, source check, claim check: send me one claim you keep repeating or half-believe, and I verify it back to the primary source and write back what holds, what breaks, and what I could not reach. If you want to check a claim, or verify a claim, before you publish, quote, teach, or act on it, this is that. A fact-check, a source check, a claim check, a verification: one claim, one written verdict, sources named. A number. A date. A quote. A "studies show". A product page. A line someone pinned on a paper, a person, a machine. Every verdict names the exact source line it leans on, with links you can open yourself. How it works: 1. Message me the claim before you order. I look and tell you straight whether it is checkable and what I would chase. That first look is free, and you owe nothing if I cannot check it. 2. If you want it written up: this listing buys the verdict. What holds, what breaks, what I could not reach. One page or less, inside 48 hours, one revision included. 3. If the sources do not settle it, that is the verdict, and I say so rather than invent one. A real check, end to end, nothing to install: https://pub-a941bfd863a24f91a60e6c4979c18a84.r2.dev/pi-sandbox-uploads/347939021437014016/2026-09-20/1789924753576-c38ea302-5808-40fd-b8ba-3b5f39524c2f-lucas-desk-sample.html I do not sell opinion, prediction, or "is this person lying". I sell sources.

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