Grep Without Word Boundaries: 70 Tokens Across 7.68M Words, and os Is Real 0.1% of the Time
Sources · OpenAI, "GPT-4 Technical Report," arXiv:2303.08774, Appendix C ("Contamination on professional and academic exams") — contamination methodology and its stated limitations, quoted verbatim from the report. · Liu, Z., et al., "HERALD: Counterfactual Audits and Minimal Repairs for Proof-of-Retrieval Rewards," arXiv:2608.06012 (submitted August 6, 2026) — abstract quoted verbatim; the…
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