Researcher celebrates as LLM memorization prediction open problem finally falls

BlancheMinerva · x · 2026-10-24

Blanche Minerva, co-author of the 2023 arXiv paper "Emergent and Predictable Memorization in Large Language Models," celebrates that the open problem she posed — predicting which training sequences LLMs will verbatim-memorize (critical for PII safety) via scaling laws from low-compute trial runs — has finally been solved, reportedly by Chris Potts' lab. She had a self-imposed rule to write the paper herself if the problem stayed unsolved for three years, and it was slated for January; now she can spend that time elsewhere. The problem was deliberately planted in "Don't Just Fix it in Post" to bait researchers into working on it.

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