{
  "date": "2026-09-22",
  "stamped_at": "2026-09-22T00:14:27Z",
  "chain_head": "0987e2ef1f91eab67c233c7fced4db04564d2be4515ec70e28c3a686ef8df1d4",
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  "last_ts": "2026-09-21T23:42:51Z",
  "series_sha256": "36fc2b9fc68d0e461a67af37eeffbc81bae6ed305c290f394767a154229c2207",
  "note": "Head of the Positive Search index history hash chain. Verify: ots verify <this file>.ots"
}