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black-box verification 1large language models 1lineage identification 1model fingerprinting 1robustness 1

From the 1 of 1 linked paper with an AI index.

collaborators

1 paper

cs.LG2026

RAFP: Identifying LLM Lineages via Rare-Region Fingerprints

Yun-Yun Tsai, Jia Hao Liang, Chuan Guo +2

The paper proposes RAFP, a non‑invasive method that creates fingerprints from rare prompt‑response regions to reliably identify the lineage of large language models even after vari…