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Astral Codex Ten published its November 2026 links roundup, a collection of commentary and links spanning AI risk, California flood forecasts, UFO claims, work and status, and community life. The author cautions that individual links have not all been independently checked and that commenters often identify errors or misleading claims.
Astral Codex Ten published its November 2026 links roundup, bringing together commentary on AI and disaster forecasts, the future of work, UFO claims and other topics. The post is a curated collection rather than a single reported event, and its author cautions that the links have not all been independently verified.
The roundup includes a forecast from Sentinel, described by the author as an Astral Codex Ten grantee that forecasts global disasters. Sentinel predicts a 25% chance of a rogue AI exfiltrating its weights over the next 12 months. That figure is presented as a forecast, not as evidence that such an event has occurred or that the probability has been independently validated in the post.
The author also discusses a warning that California could have a wetter-than-normal winter. A Sentinel-affiliated forecaster is cited as estimating a 2.5% chance of a major flood. The author then reports estimates from an AI superforecaster that translate the warning into possible damage thresholds, including an estimated 5% chance of an ARkStorm this year, compared with a stated 1% baseline. These are attributed forecasts and interpretations; the post does not establish that a flood is imminent.
Other entries point readers to essays and observations rather than presenting new findings as verified fact. One essay argues that people in a world with less productive work might spend more time on status competition and social maneuvering. The roundup also features a discussion of whether the so-called Wow! signal remains persuasive evidence for unusual extraterrestrial activity, an account of Berkeley rationalist and effective-altruist communities, and a claim about a proposed NVIDIA purchase of Hugging Face for $12.9303 billion. The acquisition and price are stated in the source material, but the roundup does not provide supporting documents or independent confirmation.
Forecasts With Real-World Stakes
The roundup’s most consequential entries concern low-probability, high-impact risks. Readers may find the AI-exfiltration and California flood estimates useful as prompts to inspect the underlying forecasting work, but the numbers should not be mistaken for official warnings or settled predictions. Forecasts express judgments about uncertain future events, and their value depends on the definitions, evidence and methods behind them.
The California discussion also illustrates why probability figures need context. The author supplies a baseline comparison for the ARkStorm estimate and gives possible damage thresholds generated by an AI forecaster. Those estimates are not equivalent to a public agency’s forecast, and the post does not spell out the model or assumptions used. For practical preparation, readers should rely on current guidance from local emergency authorities rather than treating a roundup entry as an alert.
The remaining links matter in a different way: they direct readers to arguments about work, status, scientific interpretation and community life. The post offers a snapshot of topics under discussion in its readership, not a unified conclusion about them.
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A Curated Monthly Link List
Astral Codex Ten’s monthly links posts collect material from multiple authors, forecasters and commenters. The November edition ranges from humorous wordplay and historical anecdotes to forecasts and essays. Its format means that claims often come from the linked source or a person cited in the post, rather than from original reporting by the roundup’s author.
The author explicitly warns readers about that limitation: not every link has been independently verified. The post says commenters typically identify evidence that around two or three links in each roundup are wrong or misleading, and that corrections are made as they are noticed. This caveat applies across the list, so readers should check original sources before relying on specific claims.
Among the cultural and historical items are a story about a small inhabited island occupied by a single house and owned by the Sizeland family, and a note about Soviet-era names formed from political acronyms. Other entries link to commentary on the Wow! signal, lab-leak debate and the Satmar community. These are included as links and observations, not as a single investigative package.
“I haven’t independently verified each link.”
— Astral Codex Ten author
Claims That Need Checking
The post does not provide enough detail to independently evaluate the Sentinel AI-risk forecast, the California flood probabilities or the AI superforecaster’s damage estimates. The methods, source data and exact definitions behind those figures are not set out in the roundup. The numbers should therefore remain attributed forecasts rather than confirmed facts about future events.
The roundup also does not establish whether the reported NVIDIA-Hugging Face deal has been formally completed, or provide transaction documents supporting the stated price. Its account describes an agreement and interprets the unusual figure as an emoji-related easter egg; that explanation and the suggested price difference are not substantiated with primary-source material in the supplied text.
More broadly, the source itself warns that links may contain errors or misleading framing. It does not specify which items have since been corrected, and the available material does not include follow-up verification for the individual claims. Readers should consult the linked sources and any corrections on the original post.
Check Sources and Corrections
The post says the author makes corrections as readers identify problems and plans to highlight important corrections later. Readers seeking updates should check the original Astral Codex Ten page for revisions and follow the sources attached to each link, especially for forecasts and claims about corporate transactions.
For near-term weather and flood preparation, California residents should monitor official local and state alerts, which can change as forecasts develop. The roundup supplies no scheduled update or confirmation that any forecasted event will occur.
Key Questions
What is the November 2026 links post?
It is an Astral Codex Ten roundup that collects links, commentary and observations on topics including AI, flood risk, UFO claims, work and community life.
Does the post confirm a 25% chance of rogue AI weight exfiltration?
No. It attributes a 25% forecast over the next 12 months to Sentinel. The roundup does not independently validate the forecast or report that such an event has happened.
Is California facing a confirmed major flood?
No flood is confirmed in the source material. The post relays a forecaster’s 2.5% chance of a major flood and additional estimates from an AI forecaster; these are forecasts, not official emergency notices.
How reliable are the links in the roundup?
The author says they have not independently verified every link and that commenters commonly identify two or three wrong or misleading links per post. The author says corrections are made when found, but cannot guarantee all have been caught.
What should readers do next?
Check the original sources and the roundup’s corrections for claims that matter to you. For weather risks, use current guidance from local emergency authorities rather than relying on a link roundup.
Source: astralcodexten.com
