{
  "metadata": {
    "generatedAt": "2026-10-17T16:46:54Z",
    "reportsAnalyzed": 1050171,
    "brandsTracked": 1950,
    "brandsSampled": 661,
    "brandsInStudy": 180,
    "pageDebutEvents": 970,
    "windowWeeks": 8,
    "reportWindow": {
      "start": "2026-03-02",
      "end": "2026-10-11"
    },
    "firstCitedWindow": {
      "start": "2026-05-04",
      "end": "2026-08-16"
    },
    "firstCitedByMonth": {
      "2026-05": 439,
      "2026-06": 232,
      "2026-07": 176,
      "2026-08": 123
    },
    "headlineFrom": "2026-06-22"
  },
  "headline": {
    "ownedShareOfCitationsMedianPct": 4.6,
    "citedUrlsNamingCompetitorMedianPct": 28.9,
    "citationAppearancesNamingCompetitorMedianPct": 38.0
  },
  "leakageTable": [],
  "ownPagesCiteRivals": [],
  "causal": {
    "headlineDiDpp": 2.98,
    "headlineCI": [
      1.7,
      4.29
    ],
    "csEventStudyPostAttPp": 2.86,
    "csCI": [
      1.51,
      4.26
    ],
    "challengerDiDpp": 4.17,
    "challengerCI": [
      1.75,
      6.83
    ],
    "citationWeekPp": 3.56,
    "citationWeekCI": [
      2.26,
      4.84
    ],
    "pretrendP": 0.58,
    "eventTime": [
      {
        "e": -8,
        "att": -0.73
      },
      {
        "e": -7,
        "att": -0.54
      },
      {
        "e": -6,
        "att": -0.48
      },
      {
        "e": -5,
        "att": 0.13
      },
      {
        "e": -4,
        "att": -0.59
      },
      {
        "e": -3,
        "att": -0.26
      },
      {
        "e": -2,
        "att": -0.53
      },
      {
        "e": -1,
        "att": 0.0
      },
      {
        "e": 0,
        "att": 3.56
      },
      {
        "e": 1,
        "att": 2.72
      },
      {
        "e": 2,
        "att": 2.41
      },
      {
        "e": 3,
        "att": 2.96
      },
      {
        "e": 4,
        "att": 3.12
      },
      {
        "e": 5,
        "att": 3.19
      },
      {
        "e": 6,
        "att": 3.37
      },
      {
        "e": 7,
        "att": 3.28
      },
      {
        "e": 8,
        "att": 2.39
      }
    ]
  },
  "engineSplit": {
    "grounded": {
      "label": "Answers built on web search",
      "didPp": 6.01,
      "ci": [
        3.81,
        8.47
      ],
      "engines": []
    },
    "parametric": {
      "label": "Answers from memory",
      "didPp": 0.0,
      "ci": [
        -0.91,
        0.82
      ],
      "engines": []
    }
  },
  "limitations": [
    "Quasi-experimental, not a randomized trial.",
    "Publish-date anchoring could not be completed (archival publish dates were unavailable), so we date the effect to first citation, not first publication.",
    "Controls are the same brands' prompts whose own pages were never cited as of 16 Oct 2026.",
    "The medians for owned citations and pages naming a competitor come from the first run (June 2026) and were not rerun."
  ]
}