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 2 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 Contradicted
Cherny: Anthropic Can No Longer Demonstrate Prompt Injection on Opus 5
“So essentially, if you combine a well-aligned model, so this is, like, essentially three years of research into alignment, With a prompt injection classifier, which we run for all traffic, and what this is doing is it's based on Chrysola's mechanistic interpre…”
Boris Cherny Jul 27, 2026 ▶ 2:46 Boris Cherny: We Cut 80% of Claude Code’s Prompt · Y Combinator
Assertion Contradicted
Mercury data shows 70 percent of startups choose Claude
“There was some stuff from Mercury that like, 70% of startups are, you know, choosing quad as their model of choice.”
Boris Cherny Feb 17, 2026 ▶ 47:10 Inside Claude Code With Its Creator Boris Cherny · Y Combinator
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