{
  "version": "ai-citations-2026-v1",
  "sourceGeneratedAt": "2026-05-14T16:36:00.115Z",
  "observationDates": null,
  "attemptedProbes": 720,
  "completedProbes": 622,
  "failedProbes": 98,
  "citationCount": 4455,
  "uniqueDomains": 1002,
  "byEngine": {
    "ChatGPT": {
      "attempted": 180,
      "completed": 180,
      "citations": 952,
      "models": [
        "gpt-4o-2024-08-06"
      ]
    },
    "Claude": {
      "attempted": 180,
      "completed": 88,
      "citations": 556,
      "models": [
        "claude-sonnet-4-6"
      ]
    },
    "Google AI": {
      "attempted": 180,
      "completed": 175,
      "citations": 1395,
      "models": [
        "gemini-2.5-flash"
      ]
    },
    "Grok": {
      "attempted": 180,
      "completed": 179,
      "citations": 1552,
      "models": [
        "grok-4-fast-non-reasoning"
      ]
    }
  },
  "sourceSha256": {
    "ai-research-probes.csv": "32e53d1bb873f4a3c3bf73cd517a88383efe6c6816e75019059bbf969653a007",
    "ai-research-citations.csv": "47aa7dc322076cfe8d7fedc305f1577aea862f41fbc928aad87cee7a8e4ccae9"
  }
}