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 6 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
Prediction Didn’t hold up
Musk in 2016: Human travel to Mars could happen by 2026
“It's a meaningful number of people going to Mars I. I think this is potentially something that can be accomplished in about 10 years maybe sooner , maybe nine years.”
Elon Musk Sep 15, 2016 ▶ 10:14 Elon Musk : How to Build the Future · Y Combinator
Assertion Partly supported
Srinivas: Google possessed only fourth or fifth best AI models in 2023-2024
“And 2024, 20 23 especially, and large part of 2024 too, Google had like, maybe a fourth or fifth best models at any moment. So as a startup outside Google, you had access to AI that was better than what Google internally had.”
Aravind Srinivas Jul 11, 2025 ▶ 13:06 Aravind Srinivas: Perplexity's Race to Build Agentic Search · Y Combinator
Assertion Partly supported
Elon Musk emailed OpenAI saying it had zero percent success chance
“I can say this one because it got publicized in early, not early, a few years into OpenAI, where Elon sent us this really mean email. We'd been working through that for a while and said we had a zero percent chance of success. Like, not 0.10, that we were tota…”
Sam Altman Jun 21, 2025 ▶ 17:50 Sam Altman: The Future of OpenAI, ChatGPT's Origins, and Building AI Hardware · Y Combinator
Assertion Supported
Iorns: Replication studies show most published scientific results are not reproducible
“So the reality is that the results that have been generated show that most published results are not reproducible.”
Elizabeth Iorns Oct 3, 2018 ▶ 22:32 A Conversation with Elizabeth Iorns - Advice for Biotech Founders · Y Combinator
Assertion Supported
Altman: Almost no top 30 software startup had remote early co-founders
“The data on this is look at the, say, like, 30 most successful software startups of all time, and try to point to a single example where the co-founders were in different locations. It's really, really tough.”
Sam Altman Mar 17, 2017 ▶ 28:44 Team and Execution with Sam Altman (How to Start a Startup 2014: Lecture 2) · Y Combinator
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