A site whose pitch is accountability keeps its errata in public. This page lists every correction to a number or label the site had already published — newest first, each with what was shown, what it became, the date and the changelog entry it was logged in. Method changes that move a published figure (the publication-dated gauge rebuild of September 1, 2026; the v1.2 and v1.3 constructions of September 2; nowcast v1.2 and forecast v2.1) are listed alongside data corrections (the frozen Manheim used-vehicle months of July and August 2026, a hero coverage figure that read 39% instead of 43% for ten minutes on September 4, a hard-coded source count, an official CPI YoY shown as 4.47% instead of 4.25% in July, canonicals that pointed at the old domain) and check corrections (the status page's amber rows of September 7). New data replacing old data is not a correction and is not listed. Every entry is versioned and dated in the engine changelog; historical readings are stored vintage-true and never rewritten.
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