{
  "date": "2026-08-19",
  "stamped_at": "2026-08-19T00:10:09Z",
  "chain_head": "4c989f9ff27aa536c12a7fdc4c34a47c8857737c334fa9e054b1ede84e4c05ba",
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  "note": "Head of the Positive Search index history hash chain. Verify: ots verify <this file>.ots"
}