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