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Dmytro Nikolaiev

What Counts as a Hallucinated Citation? A Response to CiteTracer

What Counts as a Hallucinated Citation? A Response to CiteTracer

Earlier this year, researchers from the University of Massachusetts Amherst and Ohio State University released a paper titled “Source or It Didn’t Happen: A Multi-Agent Framework for Citation Hallucination Detection.” This paper benchmarks GPTZero’s Hallucination Check against their own citation verification tool: CiteTracer. We welcome third-party benchmarking as both a contribution to the field and a useful signal for improving our systems. However, the paper reports 62.8% recall for GPTZero o

Dmytro Nikolaiev, Nazar Shmatko, Paul Esau

Oct 14, 2026 · 10 min read
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