This tool fetches scientific publications (currently PubMed/PMC) and verifies that quoted text (supporting_text) can be found in the referenced document using deterministic substring matching.

Harvard political scientists Steven Levitsky, Lucan Way and Daniel Ziblatt argue that the United States has transitioned into a competitive authoritarian regime under President Donald Trump. They ...

Lu Shaye, the Chinese ambassador to France, recently appeared on French television. He described China’s repression against Uighurs — a Turkic ethnic group — as “storytelling,” “lies” and “bullshit.” ...

Given a non-empty binary tree, find the maximum path sum. For this problem, a path is defined as any sequence of nodes from some starting node to any node in the tree along the parent-child ...