A weight-obfuscation-robust LoRA origin detector that recovers the attention V/O product difference by inverting the base MLP and reads the fine-tuning rank from a singular value gap.
Karimi Mahabadi, J
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Origin Tracer: A Method for Detecting LoRA Fine-Tuning Origins in LLMs
A weight-obfuscation-robust LoRA origin detector that recovers the attention V/O product difference by inverting the base MLP and reads the fine-tuning rank from a singular value gap.