{"version":"1.1.0","frozen_on":"2026-06-19","changelog":[{"version":"1.1.0","date":"2026-07-03","note":"Stability release: published score is now an exponential moving average (0.7 prior + 0.3 current composite), AI sentiment is computed once per daily post set (temperature 0), and search signals hold last-known-good values on fetch failure. Signal definitions and weights unchanged."},{"version":"1.0.0","date":"2026-06-19","note":"Initial frozen methodology: six weighted signals, historical-range normalization, tamper-evident daily capture begins."}],"doc":"https://www.studentloansindex.com/methodology"}