[KongchangAI]
Unverified50% confidenceReleaseExact time

An arXiv paper (arXiv:2609.10830) investigates membership inference using two model families with publicly known pretraining corpora—OLMo-2 and Pythia—along with a public index that can return the exact number of times a sentence appears in the corpus.

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50%
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Relevance
9/11/2026
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