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Six minor edits to reduce word count: - 'a YOLOv11 detector localizes signatures' -> 'YOLOv11 localizes signatures' - 'filed in Taiwan over 2013-2023' -> 'Taiwan audit reports (2013-2023)' - 'statistical analysis is scoped to the Big-4 sub-corpus (437 CPAs, 150,442 signatures)' -> 'analysis is scoped to the Big-4 sub-corpus (437 CPAs; 150,442 signatures)' - 'Wilson 95% upper bound 1.45%' -> 'Wilson upper bound 1.45%' - 'cross-scope check (n = 686) preserves the K=3 + box-rule Spearman convergence with drift 0.007' -> 'check (n = 686) preserves the K=3 + box-rule Spearman convergence (drift 0.007)' All numerical anchors preserved. Phase 4 prose v2 now within IEEE Access 250-word abstract limit. Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com> EOF