[
 {
  "date": "2026-08-12",
  "version": "2.0",
  "summary": "Restatement: corpus rebuilt on all 37 filings; Index 102.6->101.5; blueshield_ca 1.683->1.047 (withdrawn); biosimilar filter defect corrected (117 brand biologics restored); Same-Drug Spread restated as p90/p10 (1.16x)."
 }
]