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Keyword and entity retrieval over indexed evidence, hypotheses, and claims. Nothing is answered from model memory on this page. For a scored percentage with the working shown, open Fact or Fiction.
Topic remit
Day of
Engineering
Facilitation
Intelligence & process
Foreknowledge
Independent cluster
Entities
- Omar al-Bayoumi
- Nawaf al-Hazmi
- Fahad al-Thumairy
- Mohamed Atta
- Mahmoud Ahmad
- George W. Bush
- David Chandler
- Ted Walter
- Graeme MacQueen
- Piers Robinson
- Natalie Schilling
- Søren Roest Korsgaard
- Peter Dale Scott
- Paul Zarembka
- Mary Marshall Clark
- Peter Bearman
- Barbara Elias-Sanborn
- Richard A. Clarke
- Sajit Gandhi
- Michael Horrocks
Matching hypotheses
- H009Relevant intelligence was withheld from the 9/11 CommissionScore
- H001AA11 struck WTC1Score
- H011NORAD/FAA response failure was more than accident (exercises, false timeline, or interference)Score
- H015Able Danger identified Atta's cell before 9/11 and was blocked from warning the FBIScore
- H021The 9/11 Commission was structurally prevented from being a truth-seeking enquiryScore
Matching claims
- indeterminateCLM-008
Bayoumi had advance knowledge that the 9/11 attacks would occur.
- well_supportedCLM-009
The FBI withheld Bayoumi-related intelligence from the 9/11 Commission.
- verifiedCLM-011
American Airlines Flight 11 struck World Trade Center 1 at 08:46:40 on 11 September 2001.
- verifiedCLM-012
United Airlines Flight 175 struck World Trade Center 2 at 09:03:11.
- disputedCLM-020
Able Danger identified Mohamed Atta's cell before 11 September and was blocked from notifying the FBI.
- disputedCLM-031
The 9/11 Commission was not a truth-seeking body; the Report is a 'Zelikow Report' defined by systematic omissions.
- unverifiedCLM-034
Reported 9/11 aircraft manoeuvres were not flyable manually by the named hijacker-pilots (automation/remote guidance).
- verifiedCLM-037
A large born-digital public archive of 11 September emails, stories, and images exists and was acquired by the Library of Congress in 2003.
- well_supportedCLM-042
About three-quarters of CIA materials cited by the 9/11 Commission, including all KSM interrogation reports, remained withheld as of the 2012 File posting.
Evidence supporting
54Sonic Memorial: Eva Garfield Greenwich Village voicemails, 11 September
September 11 Digital Archive (RRCHNM / ASHP) · 2001-09-11
The Sonic Memorial collection includes saved 11 September voicemails in which Eva Garfield, from Greenwich Street, says she watched the towers fall, plus other WTC-building memory recordings.
911DA email: 6 blocks from Ground Zero, second-plane sound
September 11 Digital Archive (RRCHNM / ASHP) · 2001-09-12
A public-archive email describes street-level ash, paper, a 08:53 Wall Street exit, and the sound of a second aircraft hitting the South Tower from 5–6 blocks away, plus a Pentagon-evacuation report from Washington.
CIA 9/11 File posting — 100+ FOIA documents, 19 June 2012
The Central Intelligence Agency's 9/11 File (NSAEBB 381) · 2012-06-19
In 2012 the National Security Archive posted 100+ CIA documents cited in Commission footnotes, and stated that this was about one-quarter of the CIA material the Commission cited, with KSM interrogation reports still withheld.
Taliban File update: U.S. pressed Taliban to expel UBL over 30 times
The Taliban File (NSAEBB 97) and updates · 2004-01-30
The National Security Archive's Taliban File update states the U.S. pressed the Taliban to expel bin Laden over 30 times, with only three approaches in the first Bush year.
NORAD exercises on 11 September including Vigilant Guardian
Michael Bronner, '9/11 Live: The NORAD Tapes,' Vanity Fair (August 2006) · 2006-08-01
NORAD was running exercises on 11 September that included hijack-related injects, and operators asked whether reports were exercise or real.
2011 Toronto Hearings and 2012 Toronto Report — catalogue
The 9/11 Toronto Report (2012), International Hearings on the Events of September 11, 2001 · 2012-09-11
A 2011 academic/legal hearing produced an 18-chapter 2012 report arguing the official account is false. Eleven chapters are objects in this lab; seven are title-catalogued.
Evidence contradicting
13Silverstein Properties later: 'pull it' meant withdraw firefighters
PBS — America Rebuilds: A Day with Larry Silverstein (2002) · 2005-01-01
Silverstein's office published a firefighter-withdrawal reading of 'pull it.'
UA93 ACARS 09:23 and 09:28 mayday — NSAEBB 196 quotation
NTSB flight-path studies and ATC transcripts released via NSArchive (NSAEBB 196) · 2001-09-11
NTSB ACARS/ATC text quoted by NSArchive: UA93 received a 09:23 warning about cockpit intrusion and the NY impacts, then at 09:28 transmitted a mayday / 'hey get out of here' as it was hijacked.
Commission: UA93 crashed near Shanksville at 10:03:11 after a passenger revolt
9/11 Commission Report · 2004-07-22
UA93 impacted a field in Somerset County, Pennsylvania, at 10:03:11. Official transcription of the CVR describes a passenger counterattack.
Legge & Stutt — AA77 FDR analysis supports official Pentagon flight path (Jan 2011)
Journal of 9/11 Studies · 2011-01-01
A 2011 Journal of 9/11 Studies FDR analysis concludes the official AA77 path to Pentagon impact is supported.
John D. Wyndham — Problems with theories alternative to large-plane impact at the Pentagon (Nov 2011)
Journal of 9/11 Studies · 2011-11-01
The Journal of 9/11 Studies published a 2011 paper arguing that theories alternative to a large-plane Pentagon impact have problems.
Commission staff: Able Danger Atta identification not substantiated
9/11 Commission Report · 2005-08-12
Commission staff published that they could not substantiate a pre-9/11 Able Danger identification of Atta.
Ambiguous
72September 11 Digital Archive — holdings statement
September 11 Digital Archive (RRCHNM / ASHP) · 2026-09-03
The Archive states a 150,000-item holding and a 2003 Library of Congress acquisition. Public Omeka browse listed 70,359 items on 3 Sep 2026.
911DA story: last Windows/observation-deck visit the night of 10 September
September 11 Digital Archive (RRCHNM / ASHP) · 2002-10-22
A October 2002 Digital Archive story claims a visitor party was on the WTC observation deck around 22:00 on 10 September 2001 and was offered rain checks dated 11 September.
911DA email, 11 September 2001: 'a plane crashed outside PIT!'
September 11 Digital Archive (RRCHNM / ASHP) · 2001-09-11
A 11 September 2001 email in the Digital Archive consists of the sentence 'a plane crashed outside PIT!'
911DA Stories collection — bulk of the archive, from 2002
September 11 Digital Archive (RRCHNM / ASHP) · 2026-09-03
The Digital Archive itself dates the Stories bulk to 2002 onward.
Michael Ragsdale flyer collection — street paper, 11 Sep 2001–15 Sep 2002
September 11 Digital Archive (RRCHNM / ASHP) · 2001-09-12
A near-daily street collection of ~1,000 NYC flyers exists for the year after 11 September, including 11 September hospital/command-centre notices and early CIA/FBI-trust and anti-war posters.
Arlington County After Action Report on 9/11 (Pentagon response) — 911DA pointer
September 11 Digital Archive (RRCHNM / ASHP) · 2002-01-01
The Digital Archive holds a copy of Arlington County's 9/11 After Action Report as a first-responder collection item.
Contemporary reports
66911DA story: last Windows/observation-deck visit the night of 10 September
September 11 Digital Archive (RRCHNM / ASHP) · 2002-10-22
A October 2002 Digital Archive story claims a visitor party was on the WTC observation deck around 22:00 on 10 September 2001 and was offered rain checks dated 11 September.
911DA email, 11 September 2001: 'a plane crashed outside PIT!'
September 11 Digital Archive (RRCHNM / ASHP) · 2001-09-11
A 11 September 2001 email in the Digital Archive consists of the sentence 'a plane crashed outside PIT!'
Sonic Memorial: Eva Garfield Greenwich Village voicemails, 11 September
September 11 Digital Archive (RRCHNM / ASHP) · 2001-09-11
The Sonic Memorial collection includes saved 11 September voicemails in which Eva Garfield, from Greenwich Street, says she watched the towers fall, plus other WTC-building memory recordings.
Michael Ragsdale flyer collection — street paper, 11 Sep 2001–15 Sep 2002
September 11 Digital Archive (RRCHNM / ASHP) · 2001-09-12
A near-daily street collection of ~1,000 NYC flyers exists for the year after 11 September, including 11 September hospital/command-centre notices and early CIA/FBI-trust and anti-war posters.
Arlington County After Action Report on 9/11 (Pentagon response) — 911DA pointer
September 11 Digital Archive (RRCHNM / ASHP) · 2002-01-01
The Digital Archive holds a copy of Arlington County's 9/11 After Action Report as a first-responder collection item.
911DA email, 11 September 2001: WTC 'just being gone'
September 11 Digital Archive (RRCHNM / ASHP) · 2001-09-11
A 11 September 2001 email treats the World Trade Center as already gone while the writer listens to coverage.
Later recollections / analysis
73September 11 Digital Archive — holdings statement
September 11 Digital Archive (RRCHNM / ASHP) · 2026-09-03
The Archive states a 150,000-item holding and a 2003 Library of Congress acquisition. Public Omeka browse listed 70,359 items on 3 Sep 2026.
911DA Stories collection — bulk of the archive, from 2002
September 11 Digital Archive (RRCHNM / ASHP) · 2026-09-03
The Digital Archive itself dates the Stories bulk to 2002 onward.
911DA collection tree (art, audio, first responders, LoC, user contributions)
September 11 Digital Archive (RRCHNM / ASHP) · 2026-09-03
The Digital Archive exposes a collection tree covering first-responder paper, user stories/emails, Sonic Memorial audio, organisational dumps (Red Cross, CAIR, DoJ emails), and a Library of Congress grouping.
IC911 Data Archive — links inactive at ingest
International Center for 9/11 Justice · 2026-09-02
As of 2 September 2026 the IC911 data-archive page states that archive links are inactive and that a large archive of videos, photographs, and documents is being built.
September 11th Sourcebooks index (NSArchive volumes I–VII and updates)
National Security Archive — September 11th Sourcebooks · 2026-09-03
The National Security Archive organised a September 11th Sourcebook series of at least seven volumes plus later FOIA postings on Clarke, FAA, and NTSB transcripts.
Columbia 9/11 Oral History Project — holdings statement
Columbia Center for Oral History Research — September 11 Oral History Project · 2026-09-03
Columbia's 9/11 oral-history project reports five programmes, over 900 hours with over 600 people, 351 of them open, plus a 2011 book. Transcripts were not ingested.
Official documents
68Arlington County After Action Report on 9/11 (Pentagon response) — 911DA pointer
September 11 Digital Archive (RRCHNM / ASHP) · 2002-01-01
The Digital Archive holds a copy of Arlington County's 9/11 After Action Report as a first-responder collection item.
CIA 9/11 File posting — 100+ FOIA documents, 19 June 2012
The Central Intelligence Agency's 9/11 File (NSAEBB 381) · 2012-06-19
In 2012 the National Security Archive posted 100+ CIA documents cited in Commission footnotes, and stated that this was about one-quarter of the CIA material the Commission cited, with KSM interrogation reports still withheld.
NTSB path studies and ATC transcripts FOIA'd by NSArchive (Aug 2006)
NTSB flight-path studies and ATC transcripts released via NSArchive (NSAEBB 196) · 2006-08-11
In August 2006 NTSB released to the National Security Archive the four-flight ATC transcripts, three path studies, and the UA93 DFDR specialist report, after refusing to open its own public docket.
Taliban File update: U.S. pressed Taliban to expel UBL over 30 times
The Taliban File (NSAEBB 97) and updates · 2004-01-30
The National Security Archive's Taliban File update states the U.S. pressed the Taliban to expel bin Laden over 30 times, with only three approaches in the first Bush year.
NORAD exercises on 11 September including Vigilant Guardian
Michael Bronner, '9/11 Live: The NORAD Tapes,' Vanity Fair (August 2006) · 2006-08-01
NORAD was running exercises on 11 September that included hijack-related injects, and operators asked whether reports were exercise or real.
U.S. State Department, 28 August 2006: public-diplomacy page on 'top' 9/11 conspiracy theories
U.S. Department of State — The Top September 11 Conspiracy Theories (28 August 2006) · 2006-08-28
On 28 August 2006 the U.S. State Department published an official webpage rejecting the main 9/11 conspiracy-theory claims then in circulation.
Independent / media
49IC911 Data Archive — links inactive at ingest
International Center for 9/11 Justice · 2026-09-02
As of 2 September 2026 the IC911 data-archive page states that archive links are inactive and that a large archive of videos, photographs, and documents is being built.
NORAD exercises on 11 September including Vigilant Guardian
Michael Bronner, '9/11 Live: The NORAD Tapes,' Vanity Fair (August 2006) · 2006-08-01
NORAD was running exercises on 11 September that included hijack-related injects, and operators asked whether reports were exercise or real.
2011 Toronto Hearings and 2012 Toronto Report — catalogue
The 9/11 Toronto Report (2012), International Hearings on the Events of September 11, 2001 · 2012-09-11
A 2011 academic/legal hearing produced an 18-chapter 2012 report arguing the official account is false. Eleven chapters are objects in this lab; seven are title-catalogued.
Lorie Van Auken and Bob McIlvaine — Toronto Report ch.1 family testimony
The 9/11 Toronto Report (2012), International Hearings on the Events of September 11, 2001 · 2012-09-11
Two 9/11 family members testified in 2011 about their dead, the Jersey Girls' campaign for a full investigation, three NORAD public timelines, and Van Auken's contemporaneous unease at the Florida classroom footage.
Paul Zarembka — Insider trading before 9/11 re-examined (Toronto Report ch.6)
The 9/11 Toronto Report (2012), International Hearings on the Events of September 11, 2001 · 2012-09-11
A 2012 hearing paper surveys three academic option-market studies and argues the combined pre-attack activity is not plausibly random, while treating UAL/AMR themselves as weak because of hedging.
David Ray Griffin — Anomalies in the 9/11 Commission Report (Toronto Report ch.2)
The 9/11 Toronto Report (2012), International Hearings on the Events of September 11, 2001 · 2012-09-11
Griffin's 2012 chapter lists Commission process constraints (Zelikow, funding, access) and twelve claimed omissions, with footnotes to named books, newspapers, and the Report itself.
Unresolved contradictions
- CTR-011Put options: unusual volume vs no plot-participant profits
- CTR-019IC911 journal vs IC911 journal on the Pentagon object
- CTR-022NTSB public-docket refusal vs NSArchive FOIA release of the same path/ATC files