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94 people, organisations and other records · 122 relationships · 34 claims about a valueEverything recorded up to the chosen year, whether or not still in effect · Undated records included
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Toby Pohlen posted on 27 February 2026 (UTC) that it had been his last day at xAI. Copy claim link
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Machine-checked, not reviewed by an editor Stated in source Supported
Supporting evidence: primary · 1 source; Context: secondary · 1 source
Date 2026-02-27 · event Role Co-founder (title from “Another Co-Founder Is Exiting Elon Musk's XAI” (Business Insider); not stated in the post) Scope and limits First-person post; it does not name his title at xAI or a next position.
The evidence 02 primary source Supports the claim
Post of 27 February 2026 (UTC) on his last day at xAI (X) ↗ X · 2026-02-27
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Paraphrase Pohlen writes that today was his last day at xAI after three years.
Location in source Post, second sentence
How it was read Post text read through X’s syndication endpoint, which can truncate long notes
Machine-checked · 2026-10-15
Source details and check notes Authors Toby Pohlen Version Dated post, retrieved on 2026-10-15 (SHA-256 7b75afcd478ecfb3284ee6b4460175db01b3e46b587768d642b0f81272371b00) through X’s own syndication endpoint for the post’s text, which truncates long notes. Canonical address Open the canonical source ↗ Accessed 2026-10-15 Language English (en) Attribution Toby Pohlen, “Post of 27 February 2026 (UTC) on his last day at xAI (X)”, 2026-02-27. Reuse No open redistribution licence asserted. Bibliographic metadata, editorial paraphrases and short attributed quotations (at most 50 words each). Recheck terms before wider redistribution. Check notes Candidate pack passage, lab genealogy (research/lab-genealogy). The paraphrase’s verbatim anchor “my last day” matched the retrieved text on 2026-10-15 and again in a fresh retrieval the same day. Read through X’s own syndication endpoint for the post’s text, which truncates long notes. Matching ignored differences of whitespace, case, quotation marks, apostrophes, dashes and Unicode compatibility forms, so the source’s typography can differ. The paraphrase is Selekoa’s; only the anchor is the source’s wording. No human editorial review. secondary source Context only
Another Co-Founder Is Exiting Elon Musk's XAI ↗ Business Insider · 2026-03-25
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Source excerpt “the number of cofounder departures now sits at 10. Guodong Zhang, Zihang Dai, Toby Pohlen, Jimmy Ba, Tony Wu, and Greg Yang have all stepped away since January.” Location in source Paragraphs 2–3 (list of cofounder departures)
How it was read Retrieved directly from the publisher
Machine-checked · 2026-10-15
Source details and check notes Authors Grace Kay Version Dated page, retrieved on 2026-10-15 (SHA-256 6ca85271f8ae9a067db52f8ffdfdf07f859ee1e1e2238d06fa29e878997eaa0f) directly from the publisher. Canonical address Open the canonical source ↗ Accessed 2026-10-15 Language English (en) Attribution Grace Kay, “Another Co-Founder Is Exiting Elon Musk's XAI”, 2026-03-25. Reuse No open redistribution licence asserted. Bibliographic metadata, editorial paraphrases and short attributed quotations (at most 50 words each). Recheck terms before wider redistribution. Check notes Candidate pack passage, lab genealogy (research/lab-genealogy). The quotation (28 words) matched the retrieved text on 2026-10-15 and again in a fresh retrieval the same day. Read directly from the publisher. Matching ignored differences of whitespace, case, quotation marks, apostrophes, dashes and Unicode compatibility forms, so the source’s typography can differ. No human editorial review. Status and meaning Editorial status. Not reviewed by an editor . An exploratory record that no editor has accepted. This status does not say whether a person has read any linked passage. Each evidence record above shows how it was checked.
Relation. A source announced this person’s departure from a specified role. The event date is the announcement, not an inferred final working day or end of every association.
Date. UTC timestamp of the post (01:07 on 27 February; 26 February in US time zones).
Record ID lg-mx-pohlen-xai-departure-2026