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: 2026-08-29 · 8 entries checked · 5 flagged · 7 issues confirmed · 5 corrected · 2 still open
Metrology — The entry states the metric system was formally introduced in 1793 with the metre and grave, but the grave was not a legal unit in 1793; the 1793 law defined the metre and the gram, not the grave.
Metrology — The entry says the gram was introduced in 1795 to replace the grave, which was later replaced by the kilogram; in fact, the kilogram (as a renamed grave) was defined as 1000 grams in the 1795 law, not later replacing the grave.
International Prototype of the Kilogram — The statement that the IPK was the only base unit directly defined by the IPK is misleading because the IPK defined only the kilogram, not other units; however, the flag itself is not a factual error about the entry—it is a critique of phrasing. The entry like
Coherence (units of measurement) — The statement that the gram was designated as the mass of one cubic centimetre of water at its freezing point is a factual error; the original metric system defined the gram as the mass of one cubic centimetre of water at its melting point (0 °C), but the more
Avoirdupois — The entry states 'Henry VIII authorized the 7000-grain pound as a standard in 1527', but historically the 7000-grain pound was not established under Henry VIII; the 7000-grain troy pound was used for coinage, and the avoirdupois pound was standardized later, w
Approximate measures — The claim that a nipperkin is 'no more than 1/2 pint' is misleading; historically it was a fixed measure of 1/2 pint or sometimes 1/4 pint.
Approximate measures — The claim that a blackjack is an approximate measure is incorrect; it was a leather drinking vessel, not a standardized volumetric unit.
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