{
  "object_id": "asca:evidence-card-copilot--grok--normalization-delta@2026-08-27.v1",
  "kind": "pair_normalization_delta",
  "title": "Copilot × Grok: change after normalization",
  "observed_range": "May 2026 source snapshot; derived 2026-08-27.",
  "scope": {
    "platform_a": "Copilot",
    "platform_b": "Grok"
  },
  "measurement": {
    "shared_hostname_change": 0,
    "jaccard_point_change": 0,
    "raw": {
      "shared_hostnames": 899,
      "jaccard_pct": 8.22
    },
    "normalized": {
      "shared_hostnames": 899,
      "jaccard_pct": 8.22
    }
  },
  "source": {
    "path": "/data/platform-source-overlap-2026-05.csv",
    "snapshot": "May 2026",
    "rows": 15,
    "method": "Each value is copied or arithmetically derived from one public pairwise-matrix row."
  },
  "limits": [
    "This card is not an independent study; it is one view of the same 15-row source matrix.",
    "It does not establish current platform behavior, answer use, agent intent, payment intent, or actual machine-resource consumption."
  ],
  "confidence": {
    "level": "high",
    "applies_to": "Reproducing this value from the supplied CSV.",
    "limit": "limited for current behavior and any conclusion outside this matrix."
  }
}