We publish our audit record because accuracy claims should be checkable. Every entry on this site runs through an automated fact-audit pipeline (accuracy audit → source-grounded repair → visual QA); this page is generated from that pipeline's own report, not written by hand.
Last full accuracy audit: 2026-08-31 · 5 entries checked · 7 flagged · 18 issues confirmed · 3 corrected · 15 still open
Scaffolding — The claim that Daniel Palmer Jones's company supplied scaffolding for the reconstruction of Buckingham Palace in 1913 is unsubstantiated and likely invented.
Scaffolding — The entry incorrectly includes 'Tubular Scaffolding Company' as one of Daniel Palmer Jones's companies; this entity is not recognized in the historical lineage.
Screw — The claim that the first documentation of the screwdriver is in the medieval Housebook of Wolfegg Castle is incorrect; earlier references exist, such as in the works of Leonardo da Vinci or earlier manuscripts.
Screw — The statement that the left-side pedal of a bicycle has a left-hand thread as a definitive fact is misleading, as many modern bicycles use right-hand threads on both pedals with a different mechanism.
Screw mechanism — The entry states the screw first appeared in Mesopotamia during the Neo-Assyrian period (911-609 BC), but the earliest known evidence of the screw is from the Hellenistic period, around the 3rd century BC.
Screw mechanism — The entry claims the water screw was first used in Ancient Egypt before Archimedes described it, but there is no reliable historical evidence for the water screw in Ancient Egypt predating Archimedes.
Sanitation — [contradicted] Sanitation refers to public health conditions related to clean drinking water and treatment and disposal of human excreta and sewage. :: The source states: 'Sanitation generally refers to the provision of facilities and services for the safe dis
Tram — [contradicted] Street railways developed earlier in America than in Europe due to poor paving in U.S. cities :: The source says 'Street railways developed in America before Europe, due to the poor paving of the streets in American cities' — the source does not
Shipbuilding — [contradicted] The Austronesian expansion, beginning c. Shipbuilding steadily improved with the introduction of iron for structural components from the mid-18th century, leading eventually to iron and steel ships. :: flagged by an independent model family (dee
Steelmaking — [contradicted] The Bessemer process, developed in the 1850s, reduced steelmaking time to about half an hour and drastically lowered costs. :: flagged by an independent model family (deepseek-v4-flash) against the source article; the same-family audit missed it
Steelmaking — [contradicted] Hydrogen reduction allows steelmaking without fossil fuels using renewable hydrogen. :: flagged by an independent model family (deepseek-v4-flash) against the source article; the same-family audit missed it.
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