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Yu-Tong Wu

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Preprint Aug 2026

Targeted Counterfactual Fingerprinting for Black-Box LLM Ownership Verification

TCF (Targeted Counterfactual Fingerprinting), a black-box LLM fingerprinting framework that converts open-ended generation comparison into constrained-answer targeted counterfactual transfer, and introduces the source-model counterfactual margin (SCM), a protected-model-only quantity that certifies the target is unlike...

Yu-Tong Wu, Xiao-Fan Bai, Shixin Li et al. · 1 citation
#artificial intelligence Preprint Aug 2026

GigaBrain-WBC-0.5: A Behavior World Model for Robust Whole-Body Control with Environment Interaction

GigaBrain-WBC-0.5, the first Behavior World Model for humanoid whole-body control, is presented, which trains a causal Transformer to jointly predict its next action, next state, and the distribution over its next latent behavior command, so the network that acts also models how the environment shapes what it can do ne...

Zi-Yang Cheng, Tian-Shu Tang, Jin-Xi Lan et al. · 1 citation

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