{
  "schemaVersion": 1,
  "updated": "2026-10-22",
  "evaluationDate": "2026-10-21",
  "language": "English",
  "liveModel": "2026.10-v3",
  "releaseStatus": "research_preview",
  "collection": {
    "records": 3112,
    "human": 1600,
    "ai": 1512,
    "longDevelopment": 112,
    "longHuman": 100,
    "longAi": 12,
    "prioritizedPendingJobs": 105
  },
  "candidate": {
    "version": "2026.10-document-origin-candidate-1",
    "trainingDocuments": 2399,
    "isotonicDocuments": 150,
    "referenceDocuments": 150,
    "knownExclusions": 1,
    "releaseStatus": "not_qualified",
    "scoreThreshold": 0.5
  },
  "longDevelopmentResults": {
    "live": {
      "aiDetected": 10,
      "aiTotal": 12,
      "humanFalsePositives": 21,
      "humanTotal": 100
    },
    "candidate": {
      "aiDetected": 3,
      "aiTotal": 12,
      "humanFalsePositives": 0,
      "humanTotal": 100
    }
  },
  "referenceSetExperiment": {
    "aiOnlyHumanErrors": 2,
    "humanTotal": 100,
    "aiOnlyCorrect": 4,
    "aiTotal": 12,
    "uncertain": 106,
    "records": 112
  },
  "legacyDiagnostic": {
    "records": 300,
    "correct": 192,
    "humanFalsePositives": 99,
    "humanTotal": 150
  },
  "researchCodeVerification": {
    "nodeTests": 51,
    "pythonTests": 6
  },
  "limitations": [
    "Previously inspected development and test data; not a fresh final holdout.",
    "Long human research articles and AI academic chapters differ in genre; only 12 AI documents, with shared generation contexts.",
    "Source labels, rights and overlap require further audit. Historical publication date does not prove unaided authorship.",
    "Binary-origin scores are not measured percentages of AI-written words.",
    "Pending generation jobs are not completed documents or training examples."
  ]
}