{
  "date": "2026-09-23",
  "stamped_at": "2026-09-23T00:13:38Z",
  "chain_head": "fad4fb572e81625d9708f17abb735be6c46f5566146c26f64c535d8cb091a686",
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  "last_ts": "2026-09-22T23:44:13Z",
  "series_sha256": "1947d3656425367b895cf1b2b5a8f4017cdf18f9ad489b701bc170b6625b35ab",
  "note": "Head of the Positive Search index history hash chain. Verify: ots verify <this file>.ots"
}