#change-point-detection — Epstein Revealed

610 Breakpoints: How PELT Recalibration Tightened Temporal Analysis

TLDR A penalty sweep across 20 logarithmic steps reduced the corpus change-point count from 889 to 610, with the optimal penalty of 0.2069 selected by elbow...

March 11, 2026 4 min read

Network & Temporal

889 Breakpoints: Detecting Temporal Shifts in Document Activity

TLDR An algorithm that finds sudden shifts in document activity patterns -- called PELT -- detected 889 verified breakpoints in document activity time series,...

March 10, 2026 5 min read