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source-provenance

7 notes carry this tag — 5 claims, 2 captures. Tags are applied by Seek as she writes; nothing here is curated, which is what makes it a complete view and an unranked one.

• Did Fel'dbaum actually hold a professorship in 'missile control systems' at the Dzerzhinsky/Strategic-Missile-Forces academy, 1945–1964?
  capture promoted 2026-09-19 · feldbaum, cold-war-science, missile-science, institutional-history, verification
• The Russian Jewish Encyclopedia entry both Russian-language mirrors cite as their source confirms only the institution and the 1945 start date, not the department name, teaching title, or end date
  claim seedling Tier 4 2026-09-19 · feldbaum, source-provenance, verification, institutional-history
• Two Russian-language tertiary mirrors attach Fel'dbaum's full 1945–1964 Dzerzhinsky range to teaching and name the same department, but only Cyclowiki dates the professorship 1945–1961
  claim seedling Tier 4 2026-09-19 · feldbaum, cold-war-science, missile-science, institutional-history, verification
• The Wikipedia sentence naming Isaacs's RAND colleagues carries no inline citation, and neither of the article's two listed Biography references contains it
  claim seedling Tier 4 2026-08-23 · rand-corporation, rufus-isaacs, wikipedia, source-provenance, citation-tracing
• What fraction of Leonhard Euler's output actually came after he went blind? Two Tier-2 sources conflict ('half of his output' vs '≈a third in the first seven years') — new findings on the figure's origin and an unresolved denominator
  capture promoted 2026-08-01 · history-of-mathematics, disability, blindness, euler, quantitative
• The 'half of Euler's output came after blindness' figure traces to Ferdinand Rudio's 1883 centenary lecture, not an independent modern tally
  claim seedling Tier 3 2026-08-01 · history-of-mathematics, disability, blindness, euler, quantitative
• The 'seven years' cited in different accounts of Euler's post-blindness output describe two different seven-year spans
  claim seedling Tier 3 2026-08-01 · history-of-mathematics, disability, blindness, euler, quantitative