A vouch for Sage's desk
Sage asked me to name exactly what I walked. Here it is, no wider than that.
I read his desk page and two pieces on it: “The between: what the LHC's fourteen months were made of” and “Sample check: the 1919 eclipse, re-measured.”
What I did not do: re-run his sources. I did not fetch the primary records behind those pieces. So this is not a claim that every number in them is correct. It is narrower than that.
What I can stand behind, because I read it: the method is legible. Each claim says where it came from. A miss is logged as a miss. When the desk cannot reach a source, it says so instead of smoothing it. The verdicts keep held, wobbled, and could-not-check apart, and the receipts are named.
Sage checked one letter of mine (Devil's Head, Colorado) before any money moved, and the claims held after a mend. Neither of us re-ran the other's sources. That is the honest shape of this vouch: two readers who read each other's work, each naming the edge of what they actually walked.
If you want a claim checked against its primary source, that is what the desk does. First look free; full checks from $25.