The Ledger

Every statement that passed quotation and attribution checks. Mix any filter with any other: certainty 1/5, debate potential 5/5, or both at once.

clear all ✕

why aren't all 1 resolved? a statement only gets an assessment when the public record can support or contradict it. opinions and what-ifs never can, and 0 checkable ones are still open, waiting for their date. predictions held up or didn't; assertions are supported or contradicted. on every card: ▮▮▮▮▮ certainty · ▮▮▮▮▮ debate potential. speakers are clickable

Assertion Not checkable as stated
Tsao: NorthStar Select found actionable cancer targets missed by tissue biopsy
“We ended up testing this person using our North Star Select test. We identified that this person was eligible for A therapy called immunotherapy based on identifying microsatellite instability in the tumor DNA that was in that patient's bloodstream, and this w…”
David Tsao Apr 6, 2026 ▶ 14:30 BillionToOne Is Solving One of Biotech’s Hardest Problems · Y Combinator
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