{
  "authored": "2026-10-07",
  "authorship": "Ella, Muchita AI; original fictional teaching examples, not parent records or observations from a study",
  "scope": "U.S. CDC home-use instructions for healthy, full-term infants",
  "timeConvention": "Fixed integer minutes from fictional Monday 2026-10-05 00:00; civil labels, no timezone or device clock",
  "fixtures": [
    {
      "id": "A",
      "publicPreset": "full-thaw",
      "fictional": true,
      "ruleId": "C1-T",
      "sourceReference": "US-CDC",
      "events": [
        {
          "kind": "freezer-to-refrigerator",
          "knowledge": "exact",
          "minuteOffset": 360,
          "display": "Monday 06:00"
        },
        {
          "kind": "complete-thaw",
          "knowledge": "exact",
          "minuteOffset": 900,
          "display": "Monday 15:00"
        }
      ],
      "completeThawOffset": 900,
      "assumptions": {
        "continuouslyRefrigerated": true,
        "refrigeratorSourceValueF": 40,
        "refrigeratorSourceValueC": 4,
        "warmed": false,
        "offeredForFeeding": false
      },
      "optionalInstructionalArithmetic": {
        "sourceMinutes": 1440,
        "completionMarkOffset": 2340,
        "completionMarkDisplay": "Tuesday 15:00",
        "mistakenTransferMarkOffset": 1800,
        "mistakenTransferMarkDisplay": "Tuesday 06:00",
        "contrastMinutes": 540,
        "contrastHours": 9
      }
    },
    {
      "id": "C",
      "publicPreset": "unknown-history",
      "fictional": true,
      "ruleId": "C1-T",
      "sourceReference": "US-CDC",
      "events": [
        {
          "kind": "freezer-to-refrigerator",
          "knowledge": "exact",
          "minuteOffset": 360,
          "display": "Monday 06:00"
        },
        {
          "kind": "ice-observed",
          "knowledge": "observation",
          "minuteOffset": 540,
          "display": "Monday 09:00"
        },
        {
          "kind": "fully-thawed-observed",
          "knowledge": "observation",
          "minuteOffset": 900,
          "display": "Monday 15:00"
        }
      ],
      "completeThawOffset": null,
      "instructionalMarkOffset": null,
      "unknownHistory": [
        "Exact completion event",
        "Unrecorded temperature or handling changes"
      ],
      "questionCopyRef": "copy.observationsExample.questions"
    },
    {
      "id": "D",
      "publicPreset": "frozen-transfer",
      "fictional": true,
      "ruleId": "C2-F",
      "sourceReference": "US-CDC",
      "events": [
        {
          "kind": "first-frozen",
          "knowledge": "exact",
          "civilDate": "2026-07-01"
        },
        {
          "kind": "frozen-transfer",
          "knowledge": "exact",
          "civilDate": "2026-08-01"
        }
      ],
      "assumptions": {
        "continuouslyFrozen": true,
        "freezerSourceValueF": 0,
        "freezerSourceValueC": -18
      },
      "retainedHistoryDate": "2026-07-01",
      "civilDaysBetweenEvents": 31,
      "instructionalMarkOffset": null
    },
    {
      "id": "E",
      "publicPreset": "older-batch",
      "fictional": true,
      "ruleId": "C2-M",
      "sourceReference": "US-CDC",
      "events": [
        {
          "kind": "older-first-storage",
          "knowledge": "exact",
          "minuteOffset": 480,
          "display": "Monday 08:00"
        },
        {
          "kind": "newer-first-storage",
          "knowledge": "exact",
          "minuteOffset": 1920,
          "display": "Tuesday 08:00"
        },
        {
          "kind": "cooled-batches-combined",
          "knowledge": "exact",
          "minuteOffset": 1980,
          "display": "Tuesday 09:00"
        }
      ],
      "assumptions": {
        "bothCooledBeforeCombining": true,
        "knownRefrigeratedHistories": true
      },
      "retainedHistoryOffset": 480,
      "olderHistoryHoursAtCombination": 25,
      "newerHistoryHoursAtCombination": 1,
      "instructionalMarkOffset": null
    }
  ]
}