Preprint
Jul 2026
modelDNA: Calibrated Lineage Verification and Merge Decomposition from Sampled Weight Fingerprints
The lineage graph of open-weight language models is self-reported: Hugging Face's base_model metadata field is optional and unverified, and over 60% of Hub models document no parentage at all. Methods for detecting lineage from weights exist in the research literature, but each ships as paper code tied to one signal an...
Muhammad Adil, Saad Aamir
· 0 citations