Open Thread 458
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Astral Codex Ten published Open Thread 458 as its weekly forum for readers to discuss any topic. The post also links to Bay Area voting guides, FutureSearch job openings, a planned Pause AI protest in London and an updated meetup list that includes Manila.

Astral Codex Ten has published Open Thread 458, its weekly open forum, alongside notices about Bay Area voting guides, hiring at forecasting company FutureSearch, a planned Pause AI protest in London and a new meetup listing for Manila. The post is a community update rather than a report of a single new event; it invites readers to discuss anything while sharing opportunities and links relevant to its readership.

The thread describes itself as a weekly visible open thread where readers can post about any subject or ask informal questions. It also points readers to the ACX subreddit, Discord, bulletin board and in-person meetups. The post says most content is free, with some available only to subscribers.

In a note on California’s ballot, the author thanks readers who offered additional considerations and points to OpenBallot.app, where David Bloomin has collected Bay Area voting guides. The post says the site lets readers compare the author’s views with guides from groups including SF Democrats, SF Republicans, YIMBYs, Women and the “SF League Of Pissed Of Voters.” It does not state which ballot measures or candidates are covered.

The post also advertises FutureSearch job openings, describing the firm as one of the leading AI superforecaster companies and saying that people with a sincere interest in forecasting could fit in. It links to available positions, but does not list roles, pay or application deadlines in the supplied text. Separately, it says a Pause AI protest in London is planned for November 21 and reports that organizers have 829 people, with a goal of at least 1,000. The post directs readers to sign-up details and volunteer opportunities.

At a glance
announcementWhen: Published for the week of October 31, 2…
The developmentAstral Codex Ten’s Open Thread 458 combines its weekly reader discussion forum with several community announcements and links.

Community Links and Local Events

The post’s value lies in bringing several reader-facing opportunities together in one place: a forum for discussion, voting resources, jobs, protest participation and local meetups. For readers already following Astral Codex Ten, the roundup offers direct paths to take part without presenting the items as one coordinated campaign or editorial position.

The London protest notice includes a participation count and a stated target, which gives readers a limited snapshot of organizers’ recruitment effort. Those figures are presented in the post, not independently verified there. The OpenBallot link likewise offers a way to compare political recommendations, but the post does not endorse every listed guide. Readers should consult each source for its methodology and the issues it covers.

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A Weekly Forum With Notices

Open Thread 458 follows the format described in the post: a recurring space for readers to raise questions and discuss subjects beyond any single article. Its announcements range from online resources to in-person activity, reflecting the different ways the ACX community connects through discussion platforms and meetups.

The post also includes a brief personal aside about a Halloween costume inspired by one of the author’s articles. It shares a social media post by Haven Harms featuring a costume referencing “Schrödinger’s Cat” and “Trapped Priors.” This is presented as a light community anecdote, not as a separate news development.

The thread dates the costume post to October 31, 2026, and lists 523 views, two reposts and 27 likes at the time cited. These are a snapshot of the figures displayed in the source and do not establish wider reach or audience response.

“This is the weekly visible open thread. Post about anything you want, ask random questions, whatever.”

— Astral Codex Ten, Open Thread 458

Details Behind the Announcements

The supplied post does not identify the specific FutureSearch roles, their locations, compensation or closing dates. It links to a separate page for current openings, so applicants would need to check that source for details.

For the London protest, the post does not provide information about the route, venue, permits or how the reported count of 829 was calculated. The number should be understood as what the post reported, not as an independently confirmed attendance figure. It is also unclear from the supplied text whether the count refers to sign-ups, expressions of interest or another measure.

The Bay Area voting-guide roundup is linked rather than reproduced. The post does not explain how the guides were selected, when they were last updated or which ballot questions they cover. It also does not give the address or schedule for the newly listed Manila meetup. Readers will need to follow the linked resources for those specifics.

Check the Linked Event Details

The clearest dated event mentioned is the Pause AI protest scheduled for November 21. The post directs interested readers to its event information, sign-up page and volunteer opportunities; it does not describe any later plans or confirm how many people will ultimately attend.

Readers seeking work at FutureSearch can use the linked vacancies page, while those looking for ballot advice can compare the guides collected on OpenBallot.app. The ACX meetup list has added Manila, but the post supplies no meeting date. Open Thread 458 itself remains an ongoing discussion space where readers can add questions and comments.

Key Questions

What is Open Thread 458?

It is Astral Codex Ten’s weekly open discussion thread, where readers are invited to post about any topic or ask questions.

What London event does the post mention?

The post says a Pause AI protest is planned for November 21. It reports 829 people and a goal of at least 1,000, but does not explain how the count was measured.

Where can readers find the Bay Area voting guides?

The thread links to OpenBallot.app, where David Bloomin has collected guides from several Bay Area groups. The post does not detail the guides’ coverage or methods.

What does the post say about FutureSearch jobs?

It says the AI superforecaster company is hiring and links to available positions. Specific roles and application terms are not included in the supplied post.

Which new meetup location was added?

Manila, Philippines, was added to the ACX meetup list. The post does not provide a date or venue for a meetup there.

Source: astralcodexten.com

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