{
  "date": "2026-09-18",
  "stamped_at": "2026-09-18T00:13:44Z",
  "chain_head": "cbe032e3466992a475089be1345607803ee954a127d5bd121a2f6c91d7ba3ba7",
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  "series_sha256": "a7395fa3c612180ed59285aca62a79b810fb5fd08ad5d2c1c868ffae6fbec393",
  "note": "Head of the Positive Search index history hash chain. Verify: ots verify <this file>.ots"
}