{
  "date": "2026-10-18",
  "stamped_at": "2026-10-18T00:10:51Z",
  "chain_head": "b3621636aadab2e11e0a1e705d140020000e5d0803c6bf0557ae88a1d355b03b",
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  "note": "Head of the Positive Search index history hash chain. Verify: ots verify <this file>.ots"
}