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Astral Codex Ten’s Open Thread 454 is a weekly reader forum that also posts several community updates. These include a changed Brigham Young University meetup listing, English translations of additional Fatima documents, archived book reviews and an invitation from Physicians For AI Safety.
Astral Codex Ten has published Open Thread 454, its weekly open forum for readers, alongside updates on a changed Brigham Young University meetup, newly available English translations of additional Fatima documents, a book-review archive and a physician-focused AI-safety group. The post also says its author has been busy and expects to resume a more regular pace of writing later.
The thread invites readers to post about any topic or ask questions. It also points to the site’s unofficial subreddit, Discord server, bulletin board and in-person meetups. The post says most content is free, while some is available to subscribers. It does not report a new policy or a change to the forum itself; its main function is to provide a place for reader discussion and share community notices.
One notice concerns Effective Altruism college meetups: the post says Brigham Young University has changed the meetup’s time, date and location, and directs readers to the event list for current details. It does not include the revised schedule or venue in the post itself.
The post credits reader Nikita Sokolsky with obtaining additional Fatima documents from Portugal and translating them into English, which are available at fatima-1917.com. It also thanks Ana for work that required Portuguese proficiency. Separately, Rob Ennals, who created the current year’s book-review contest site, has gathered reviews from previous years into EPUB files. Physicians For AI Safety is introduced as an organization seeking to speak with physicians interested in AI safety and inviting them to sign its open letter.
Updates Across the ACX Community
The post matters mainly as a community noticeboard, not as a report of one major external event. It brings several practical updates to readers who may attend meetups, consult the Fatima materials, use the book-review archive or want to connect with a group focused on AI safety and medicine.
The notices also show how the forum serves as a distribution point for work by readers and volunteers. The translated documents and collected reviews are linked resources, while the physician group’s message is an invitation to participate. The post does not establish how many people have used those resources, joined the group or signed its letter, so their reach and effects cannot be determined from the source.
For readers seeking an in-person event, the BYU schedule change is the most time-sensitive item: relying on an older listing could mean using outdated details. The post directs readers to the meetup list rather than restating the updated information, making that external listing the relevant place to check.
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A Weekly Forum and Community Notices
Open Thread 454 is presented as the site’s weekly visible open thread, where readers can raise subjects beyond the site’s regular articles. The source describes it as an ongoing forum and directs readers to several other community channels, but does not provide participation figures or explain how those channels are moderated.
The notices span unrelated projects rather than a single coordinated announcement. The Fatima materials are hosted on an external website; the archived reviews are offered as EPUBs; and Physicians For AI Safety is seeking interested medical professionals. The BYU meetup change is an administrative update to an existing listing. The thread does not provide additional detail about the documents, the contents of the open letter or the history of the meetups.
The author also apologizes for having written little recently and for missing a Friday book-review entry, saying they are busy and will try to make up for the gap when circumstances change. That is a statement about the author’s workload and plans, not a firm publication schedule.
“interested in talking to any physicians interested in AI safety”
— Astral Codex Ten’s Open Thread 454, describing Physicians For AI Safety
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Details the Thread Does Not Provide
The source does not give the new BYU meetup time, date or location, nor does it specify when the schedule change takes effect. Readers are directed to the meetup list for those details. The publication date of Open Thread 454 is also not stated in the supplied material.
The post offers no account of the additional Fatima documents’ contents, number or provenance beyond saying they were obtained from Portugal and translated into English. It does not identify the physicians behind Physicians For AI Safety, describe the open letter’s wording or report how many people have signed it. The extent of the earlier review archive is not specified either.
Finally, the author’s plan to make up for missed writing is conditional and undated. The source does not indicate when more articles or book-review entries will appear. These points should be treated as unreported or still unspecified, not as evidence that the projects or plans have stopped.
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Where Readers Can Check Updates
Readers interested in the BYU meetup should consult the event list linked from the post for the revised time, date and place. People seeking the translated Fatima materials can visit fatima-1917.com, while readers looking for earlier contest reviews can use the EPUB collection linked in the thread.
Physicians interested in AI safety can follow the group’s invitation and review its open letter before deciding whether to sign. The source gives no deadline or next event for the group. On the publication side, the author says they will try to make up for recent gaps once they are less busy, but has not announced a timetable. Open Thread 454 remains available as the stated venue for readers’ questions and discussion.
Brigham Young University meetup event
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Key Questions
What is Open Thread 454?
It is Astral Codex Ten’s weekly open discussion thread, where readers are invited to post about any subject or ask questions. The post also carries community notices.
What changed about the BYU meetup?
The post says the Brigham Young University Effective Altruism meetup changed its time, date and location. It does not list the replacements; readers are directed to the meetup list.
Where are the additional Fatima documents?
The post links to fatima-1917.com for documents obtained from Portugal and translated into English by reader Nikita Sokolsky, with help from Ana on Portuguese-language work.
What is Physicians For AI Safety asking physicians to do?
The group says it wants to speak with physicians interested in AI safety and offers an open letter that interested physicians can sign. The post does not provide further details about the group or letter.
When will the author publish more?
The author says they have been busy and will try to make up for recent gaps when that changes. No date or publication schedule is provided.
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