{
  "schemaVersion": "1",
  "created": {
    "ai": "ChatGPT (OpenAI)",
    "model": "gpt-6.1-sol",
    "reasoningLevel": "medium",
    "application": "Codex",
    "timestamp": "2026-10-25T20:20:03-07:00",
    "timezone": "America/Los_Angeles",
    "verification": "Own /root/build_nicaragua session01a17630-3454-78d0-bd11-bb331e5c626d turn_context; exact proof saved privately."
  },
  "revisions": [
    {
      "ai": "ChatGPT (OpenAI)",
      "model": "gpt-6.1-sol",
      "reasoningLevel": "medium",
      "application": "Codex",
      "timestamp": "2026-10-25T20:43:56-07:00",
      "timezone": "America/Los_Angeles",
      "kind": "source availability maintenance",
      "reason": "Label S13 CIA Reading Room redirect to system-maintenance; preserve original identifier and distinguish indexed extraction from maintenance HTML.",
      "contentLastUpdatedPreserved": "2026-10-25T20:29:53-07:00",
      "verification": "Own latest turn_context verified; proof retained privately in maintenance-turn-context.json."
    },
    {
      "ai": "ChatGPT (OpenAI)",
      "model": "gpt-6.1-sol",
      "reasoningLevel": "medium",
      "application": "Codex",
      "timestamp": "2026-10-25T22:32:28-07:00",
      "timezone": "America/Los_Angeles",
      "kind": "Spec7 t490u font-role maintenance",
      "summary": "Explicit display/body/UI font variables and semantic selectors; existing ten WOFF2 files unchanged. Corrected content timestamp preserved.",
      "verification": "research/font-maintenance-session-verification.json"
    },
    {
      "ai": "ChatGPT (OpenAI)",
      "model": "gpt-6.1-sol",
      "reasoningLevel": "medium",
      "application": "Codex",
      "dateTime": "2026-10-25T23:44:30-07:00",
      "kind": "web asset routing only; original and substantive revision history preserved"
    }
  ],
  "lastUpdated": "2026-10-25T20:29:53-07:00",
  "builtBy": "ChatGPT (OpenAI) \u00b7 gpt-6.1-sol \u00b7 Codex",
  "reasoningLevel": "medium",
  "formatUpdatedAt": "2026-10-25T22:32:28-07:00",
  "maintenanceUpdatedAt": "2026-10-25T23:44:30-07:00"
}