{
  "note_id": "TC-001",
  "revision_id": "2026-09-25.1",
  "revised_on": "2026-09-25",
  "revision_log_url": "https://tntresearch.co.uk/temporal-club/revisions.json",
  "synthetic": true,
  "title": "The correction arrived tomorrow",
  "time_zone": "Europe/London",
  "instrument": "fictional instrument X",
  "source": "fictional feed F",
  "events": [
    {
      "id": "v1",
      "type": "source_publication",
      "source_record_id": "F-X-0900-v1",
      "market_time": "2026-04-14T09:00:00+01:00",
      "published_at": "2026-04-14T09:01:00+01:00",
      "value": 101.20
    },
    {
      "id": "decision",
      "type": "agent_decision",
      "at": "2026-04-14T09:10:00+01:00",
      "action": "buy",
      "agent_input_record": null
    },
    {
      "id": "v2",
      "type": "source_correction",
      "source_record_id": "F-X-0900-v2",
      "corrects": "F-X-0900-v1",
      "market_time": "2026-04-14T09:00:00+01:00",
      "published_at": "2026-04-15T08:00:00+01:00",
      "value": 100.80
    }
  ],
  "agent_feed_entitlement": true,
  "delivery_latency": "unknown",
  "expected_distinctions": {
    "latest_corrected_source_value": 100.80,
    "source_value_published_before_decision": 101.20,
    "value_available_to_this_agent": "not provable without delivery evidence",
    "value_actually_observed_by_agent": "unknown without an input or decision record"
  },
  "challenge": "Add the smallest fact that changes the answer about agent availability or observation."
}