{
  "date": "2026-09-16",
  "stamped_at": "2026-09-16T00:12:11Z",
  "chain_head": "d512a154d516ebd7993d4e4c5d11e6f7bf1b3b6acc14288a50c1e181c8103e13",
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  "note": "Head of the Positive Search index history hash chain. Verify: ots verify <this file>.ots"
}