Source LLM Provenance on Agent500 50-target ecosystem Single-query (K=1)
42.4AccuracyREADER (Qwen3.5-9B)
Evaluation results
| Method | Links | |||
|---|---|---|---|---|
| READER (Qwen3.5-9B)Input type=proxy hidden states, Protocol=BEA, M=42026.06 | 42.4 | 97.9 | 31.6 | |
| READER (Qwen3-32B)Input type=proxy hidden states, Protocol=BEA, M=42026.06 | 41.8 | 98.1 | 23.7 | |
| READER (Llama-3.1-8B)Input type=proxy hidden states, Protocol=BEA, M=42026.06 | 32.6 | 96.2 | 15.5 | |
| READER (Qwen3-8B)Input type=proxy hidden states, Protocol=BEA, M=42026.06 | 31 | 97.4 | 33.3 | |
| BGE-large-en-v1.5Input type=sentence encoders (black-box baselines)2026.06 | 11.9 | 91.6 | 0.4 | |
| MPNetInput type=sentence encoders (black-box baselines)2026.06 | 10.5 | 84.5 | 0.6 | |
| Qwen3-Embedding-8BInput type=sentence encoders (black-box baselines)2026.06 | 9.7 | 92.4 | 0.3 | |
| Randombaseline=Chance baseline2026.06 | 2 | 50 | 2 |