Author

Vadim Safronov

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Jul 2026

Stemma: Induced Decision Regions Reveal LLM Provenance

Stemma is proposed, a practical black-box LLM fingerprinting method that operationalises stability, robustness, and specificity as complementary probe-selection principles for reliably estimating induced decision region inheritance.

Keyu Zhang, Vadim Safronov, Andrew Martin · arXiv.org · 0 citations