{
  "schemaVersion": "1",
  "created": {
    "ai": "ChatGPT (OpenAI)",
    "model": "gpt-6.1-sol",
    "reasoningLevel": "medium",
    "application": "Codex",
    "timestamp": "2026-10-25T21:49:29-07:00",
    "timezone": "America/Los_Angeles",
    "verification": "Actual own new assignment turn_context in research/session-verification.json; no inherited topic provenance."
  },
  "revisions": [
    {
      "ai": "ChatGPT (OpenAI)",
      "model": "gpt-6.1-sol",
      "reasoningLevel": "medium",
      "application": "Codex",
      "timestamp": "2026-10-25T22:28:56-07:00",
      "timezone": "America/Los_Angeles",
      "type": "font-role maintenance",
      "scope": "Spec 7 t490u font roles only; creator, content timestamp, narrative, sources and images preserved.",
      "verification": "research/fontrole-session-verification.json actual own turn_context"
    },
    {
      "ai": "ChatGPT (OpenAI)",
      "model": "gpt-6.1-sol",
      "reasoningLevel": "medium",
      "application": "Codex",
      "timestamp": "2026-10-25T22:51:34-07:00",
      "timezone": "America/Los_Angeles",
      "kind": "substantive analytical revision",
      "changes": "Spec7 t506u expanded critical-path yardstick and removal tests, documented genealogy, separate evidence/cultural ranks, rival path operations and scoped narrator comparisons; no new operational instructions or image changes.",
      "verification": "Actual own turn_context at research/t506u-session-verification.json",
      "previousContentTimestamp": "2026-10-25T22:07:47-07:00",
      "guideEdition": "1.1"
    },
    {
      "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": "2026-10-25T22:51:34-07:00",
  "builtBy": "ChatGPT (OpenAI) \u00b7 gpt-6.1-sol \u00b7 Codex",
  "reasoningLevel": "medium",
  "maintenanceUpdatedAt": "2026-10-25T23:44:30-07:00"
}
