{
  "start_utc": "2026-09-26T22:02:55Z",
  "start_monotonic": 198212.69757878,
  "execution_seconds": 61.257515474018874,
  "method": "Single-agent continuous active session; subtract timed experiment and verification subprocess durations. Includes planning, implementation and analysis; excludes final commit/sync after cutoff. No overlap.",
  "start_utc_note": "UTC label is initial orientation clock reading; monotonic measurement began after orientation as preregistered.",
  "executions": [
    {
      "command": [
        "node",
        "research/experiments/navigation-history/experiment.mjs"
      ],
      "seconds": 12.89531968801748,
      "exit_code": 1
    },
    {
      "command": [
        "node",
        "research/experiments/navigation-history/experiment.mjs"
      ],
      "seconds": 34.61645083199255,
      "exit_code": 0
    },
    {
      "command": [
        "make",
        "evolution-check",
        "evolution-test",
        "schema-test",
        "bench-test"
      ],
      "seconds": 13.745744954008842,
      "exit_code": 0
    }
  ],
  "status": "complete",
  "end_utc": "2026-09-26T22:11:04.416742+00:00",
  "measured_start_utc_approx": "2026-09-26T22:03:52.518569+00:00",
  "elapsed_seconds": 431.898,
  "research_minutes": 6.177,
  "execution_minutes": 1.021,
  "precision": "Monotonic subprocess durations; minute fields rounded to 0.001, not a claim of human effort precision.",
  "excluded": "Orientation before timer start and administration/final receipt refresh after this cutoff. Checkpoint inspection during experiment assigned to execution only.",
  "budget_review": "Within 45 active research minutes and 10 execution minutes; no scope extension."
}