{
  "object_id": "asca:evidence-card-index@2026-08-27.v1",
  "title": "Citation Atlas derived evidence card index",
  "card_count": 51,
  "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."
  ],
  "cards": [
    {
      "slug": "ai-mode--chatgpt--raw-overlap",
      "path": "/evidence-cards/ai-mode--chatgpt--raw-overlap.json",
      "object_id": "asca:evidence-card-ai-mode--chatgpt--raw-overlap@2026-08-27.v1",
      "kind": "pair_raw_overlap",
      "title": "AI Mode × ChatGPT: raw hostname overlap"
    },
    {
      "slug": "ai-mode--chatgpt--normalized-overlap",
      "path": "/evidence-cards/ai-mode--chatgpt--normalized-overlap.json",
      "object_id": "asca:evidence-card-ai-mode--chatgpt--normalized-overlap@2026-08-27.v1",
      "kind": "pair_normalized_overlap",
      "title": "AI Mode × ChatGPT: normalized hostname overlap"
    },
    {
      "slug": "ai-mode--chatgpt--normalization-delta",
      "path": "/evidence-cards/ai-mode--chatgpt--normalization-delta.json",
      "object_id": "asca:evidence-card-ai-mode--chatgpt--normalization-delta@2026-08-27.v1",
      "kind": "pair_normalization_delta",
      "title": "AI Mode × ChatGPT: change after normalization"
    },
    {
      "slug": "ai-mode--copilot--raw-overlap",
      "path": "/evidence-cards/ai-mode--copilot--raw-overlap.json",
      "object_id": "asca:evidence-card-ai-mode--copilot--raw-overlap@2026-08-27.v1",
      "kind": "pair_raw_overlap",
      "title": "AI Mode × Copilot: raw hostname overlap"
    },
    {
      "slug": "ai-mode--copilot--normalized-overlap",
      "path": "/evidence-cards/ai-mode--copilot--normalized-overlap.json",
      "object_id": "asca:evidence-card-ai-mode--copilot--normalized-overlap@2026-08-27.v1",
      "kind": "pair_normalized_overlap",
      "title": "AI Mode × Copilot: normalized hostname overlap"
    },
    {
      "slug": "ai-mode--copilot--normalization-delta",
      "path": "/evidence-cards/ai-mode--copilot--normalization-delta.json",
      "object_id": "asca:evidence-card-ai-mode--copilot--normalization-delta@2026-08-27.v1",
      "kind": "pair_normalization_delta",
      "title": "AI Mode × Copilot: change after normalization"
    },
    {
      "slug": "ai-mode--gemini--raw-overlap",
      "path": "/evidence-cards/ai-mode--gemini--raw-overlap.json",
      "object_id": "asca:evidence-card-ai-mode--gemini--raw-overlap@2026-08-27.v1",
      "kind": "pair_raw_overlap",
      "title": "AI Mode × Gemini: raw hostname overlap"
    },
    {
      "slug": "ai-mode--gemini--normalized-overlap",
      "path": "/evidence-cards/ai-mode--gemini--normalized-overlap.json",
      "object_id": "asca:evidence-card-ai-mode--gemini--normalized-overlap@2026-08-27.v1",
      "kind": "pair_normalized_overlap",
      "title": "AI Mode × Gemini: normalized hostname overlap"
    },
    {
      "slug": "ai-mode--gemini--normalization-delta",
      "path": "/evidence-cards/ai-mode--gemini--normalization-delta.json",
      "object_id": "asca:evidence-card-ai-mode--gemini--normalization-delta@2026-08-27.v1",
      "kind": "pair_normalization_delta",
      "title": "AI Mode × Gemini: change after normalization"
    },
    {
      "slug": "ai-mode--grok--raw-overlap",
      "path": "/evidence-cards/ai-mode--grok--raw-overlap.json",
      "object_id": "asca:evidence-card-ai-mode--grok--raw-overlap@2026-08-27.v1",
      "kind": "pair_raw_overlap",
      "title": "AI Mode × Grok: raw hostname overlap"
    },
    {
      "slug": "ai-mode--grok--normalized-overlap",
      "path": "/evidence-cards/ai-mode--grok--normalized-overlap.json",
      "object_id": "asca:evidence-card-ai-mode--grok--normalized-overlap@2026-08-27.v1",
      "kind": "pair_normalized_overlap",
      "title": "AI Mode × Grok: normalized hostname overlap"
    },
    {
      "slug": "ai-mode--grok--normalization-delta",
      "path": "/evidence-cards/ai-mode--grok--normalization-delta.json",
      "object_id": "asca:evidence-card-ai-mode--grok--normalization-delta@2026-08-27.v1",
      "kind": "pair_normalization_delta",
      "title": "AI Mode × Grok: change after normalization"
    },
    {
      "slug": "ai-mode--perplexity--raw-overlap",
      "path": "/evidence-cards/ai-mode--perplexity--raw-overlap.json",
      "object_id": "asca:evidence-card-ai-mode--perplexity--raw-overlap@2026-08-27.v1",
      "kind": "pair_raw_overlap",
      "title": "AI Mode × Perplexity: raw hostname overlap"
    },
    {
      "slug": "ai-mode--perplexity--normalized-overlap",
      "path": "/evidence-cards/ai-mode--perplexity--normalized-overlap.json",
      "object_id": "asca:evidence-card-ai-mode--perplexity--normalized-overlap@2026-08-27.v1",
      "kind": "pair_normalized_overlap",
      "title": "AI Mode × Perplexity: normalized hostname overlap"
    },
    {
      "slug": "ai-mode--perplexity--normalization-delta",
      "path": "/evidence-cards/ai-mode--perplexity--normalization-delta.json",
      "object_id": "asca:evidence-card-ai-mode--perplexity--normalization-delta@2026-08-27.v1",
      "kind": "pair_normalization_delta",
      "title": "AI Mode × Perplexity: change after normalization"
    },
    {
      "slug": "chatgpt--copilot--raw-overlap",
      "path": "/evidence-cards/chatgpt--copilot--raw-overlap.json",
      "object_id": "asca:evidence-card-chatgpt--copilot--raw-overlap@2026-08-27.v1",
      "kind": "pair_raw_overlap",
      "title": "ChatGPT × Copilot: raw hostname overlap"
    },
    {
      "slug": "chatgpt--copilot--normalized-overlap",
      "path": "/evidence-cards/chatgpt--copilot--normalized-overlap.json",
      "object_id": "asca:evidence-card-chatgpt--copilot--normalized-overlap@2026-08-27.v1",
      "kind": "pair_normalized_overlap",
      "title": "ChatGPT × Copilot: normalized hostname overlap"
    },
    {
      "slug": "chatgpt--copilot--normalization-delta",
      "path": "/evidence-cards/chatgpt--copilot--normalization-delta.json",
      "object_id": "asca:evidence-card-chatgpt--copilot--normalization-delta@2026-08-27.v1",
      "kind": "pair_normalization_delta",
      "title": "ChatGPT × Copilot: change after normalization"
    },
    {
      "slug": "chatgpt--gemini--raw-overlap",
      "path": "/evidence-cards/chatgpt--gemini--raw-overlap.json",
      "object_id": "asca:evidence-card-chatgpt--gemini--raw-overlap@2026-08-27.v1",
      "kind": "pair_raw_overlap",
      "title": "ChatGPT × Gemini: raw hostname overlap"
    },
    {
      "slug": "chatgpt--gemini--normalized-overlap",
      "path": "/evidence-cards/chatgpt--gemini--normalized-overlap.json",
      "object_id": "asca:evidence-card-chatgpt--gemini--normalized-overlap@2026-08-27.v1",
      "kind": "pair_normalized_overlap",
      "title": "ChatGPT × Gemini: normalized hostname overlap"
    },
    {
      "slug": "chatgpt--gemini--normalization-delta",
      "path": "/evidence-cards/chatgpt--gemini--normalization-delta.json",
      "object_id": "asca:evidence-card-chatgpt--gemini--normalization-delta@2026-08-27.v1",
      "kind": "pair_normalization_delta",
      "title": "ChatGPT × Gemini: change after normalization"
    },
    {
      "slug": "chatgpt--grok--raw-overlap",
      "path": "/evidence-cards/chatgpt--grok--raw-overlap.json",
      "object_id": "asca:evidence-card-chatgpt--grok--raw-overlap@2026-08-27.v1",
      "kind": "pair_raw_overlap",
      "title": "ChatGPT × Grok: raw hostname overlap"
    },
    {
      "slug": "chatgpt--grok--normalized-overlap",
      "path": "/evidence-cards/chatgpt--grok--normalized-overlap.json",
      "object_id": "asca:evidence-card-chatgpt--grok--normalized-overlap@2026-08-27.v1",
      "kind": "pair_normalized_overlap",
      "title": "ChatGPT × Grok: normalized hostname overlap"
    },
    {
      "slug": "chatgpt--grok--normalization-delta",
      "path": "/evidence-cards/chatgpt--grok--normalization-delta.json",
      "object_id": "asca:evidence-card-chatgpt--grok--normalization-delta@2026-08-27.v1",
      "kind": "pair_normalization_delta",
      "title": "ChatGPT × Grok: change after normalization"
    },
    {
      "slug": "chatgpt--perplexity--raw-overlap",
      "path": "/evidence-cards/chatgpt--perplexity--raw-overlap.json",
      "object_id": "asca:evidence-card-chatgpt--perplexity--raw-overlap@2026-08-27.v1",
      "kind": "pair_raw_overlap",
      "title": "ChatGPT × Perplexity: raw hostname overlap"
    },
    {
      "slug": "chatgpt--perplexity--normalized-overlap",
      "path": "/evidence-cards/chatgpt--perplexity--normalized-overlap.json",
      "object_id": "asca:evidence-card-chatgpt--perplexity--normalized-overlap@2026-08-27.v1",
      "kind": "pair_normalized_overlap",
      "title": "ChatGPT × Perplexity: normalized hostname overlap"
    },
    {
      "slug": "chatgpt--perplexity--normalization-delta",
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      "kind": "pair_normalization_delta",
      "title": "ChatGPT × Perplexity: change after normalization"
    },
    {
      "slug": "copilot--gemini--raw-overlap",
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      "kind": "pair_raw_overlap",
      "title": "Copilot × Gemini: raw hostname overlap"
    },
    {
      "slug": "copilot--gemini--normalized-overlap",
      "path": "/evidence-cards/copilot--gemini--normalized-overlap.json",
      "object_id": "asca:evidence-card-copilot--gemini--normalized-overlap@2026-08-27.v1",
      "kind": "pair_normalized_overlap",
      "title": "Copilot × Gemini: normalized hostname overlap"
    },
    {
      "slug": "copilot--gemini--normalization-delta",
      "path": "/evidence-cards/copilot--gemini--normalization-delta.json",
      "object_id": "asca:evidence-card-copilot--gemini--normalization-delta@2026-08-27.v1",
      "kind": "pair_normalization_delta",
      "title": "Copilot × Gemini: change after normalization"
    },
    {
      "slug": "copilot--grok--raw-overlap",
      "path": "/evidence-cards/copilot--grok--raw-overlap.json",
      "object_id": "asca:evidence-card-copilot--grok--raw-overlap@2026-08-27.v1",
      "kind": "pair_raw_overlap",
      "title": "Copilot × Grok: raw hostname overlap"
    },
    {
      "slug": "copilot--grok--normalized-overlap",
      "path": "/evidence-cards/copilot--grok--normalized-overlap.json",
      "object_id": "asca:evidence-card-copilot--grok--normalized-overlap@2026-08-27.v1",
      "kind": "pair_normalized_overlap",
      "title": "Copilot × Grok: normalized hostname overlap"
    },
    {
      "slug": "copilot--grok--normalization-delta",
      "path": "/evidence-cards/copilot--grok--normalization-delta.json",
      "object_id": "asca:evidence-card-copilot--grok--normalization-delta@2026-08-27.v1",
      "kind": "pair_normalization_delta",
      "title": "Copilot × Grok: change after normalization"
    },
    {
      "slug": "copilot--perplexity--raw-overlap",
      "path": "/evidence-cards/copilot--perplexity--raw-overlap.json",
      "object_id": "asca:evidence-card-copilot--perplexity--raw-overlap@2026-08-27.v1",
      "kind": "pair_raw_overlap",
      "title": "Copilot × Perplexity: raw hostname overlap"
    },
    {
      "slug": "copilot--perplexity--normalized-overlap",
      "path": "/evidence-cards/copilot--perplexity--normalized-overlap.json",
      "object_id": "asca:evidence-card-copilot--perplexity--normalized-overlap@2026-08-27.v1",
      "kind": "pair_normalized_overlap",
      "title": "Copilot × Perplexity: normalized hostname overlap"
    },
    {
      "slug": "copilot--perplexity--normalization-delta",
      "path": "/evidence-cards/copilot--perplexity--normalization-delta.json",
      "object_id": "asca:evidence-card-copilot--perplexity--normalization-delta@2026-08-27.v1",
      "kind": "pair_normalization_delta",
      "title": "Copilot × Perplexity: change after normalization"
    },
    {
      "slug": "gemini--grok--raw-overlap",
      "path": "/evidence-cards/gemini--grok--raw-overlap.json",
      "object_id": "asca:evidence-card-gemini--grok--raw-overlap@2026-08-27.v1",
      "kind": "pair_raw_overlap",
      "title": "Gemini × Grok: raw hostname overlap"
    },
    {
      "slug": "gemini--grok--normalized-overlap",
      "path": "/evidence-cards/gemini--grok--normalized-overlap.json",
      "object_id": "asca:evidence-card-gemini--grok--normalized-overlap@2026-08-27.v1",
      "kind": "pair_normalized_overlap",
      "title": "Gemini × Grok: normalized hostname overlap"
    },
    {
      "slug": "gemini--grok--normalization-delta",
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      "kind": "pair_normalization_delta",
      "title": "Gemini × Grok: change after normalization"
    },
    {
      "slug": "gemini--perplexity--raw-overlap",
      "path": "/evidence-cards/gemini--perplexity--raw-overlap.json",
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      "kind": "pair_raw_overlap",
      "title": "Gemini × Perplexity: raw hostname overlap"
    },
    {
      "slug": "gemini--perplexity--normalized-overlap",
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      "object_id": "asca:evidence-card-gemini--perplexity--normalized-overlap@2026-08-27.v1",
      "kind": "pair_normalized_overlap",
      "title": "Gemini × Perplexity: normalized hostname overlap"
    },
    {
      "slug": "gemini--perplexity--normalization-delta",
      "path": "/evidence-cards/gemini--perplexity--normalization-delta.json",
      "object_id": "asca:evidence-card-gemini--perplexity--normalization-delta@2026-08-27.v1",
      "kind": "pair_normalization_delta",
      "title": "Gemini × Perplexity: change after normalization"
    },
    {
      "slug": "grok--perplexity--raw-overlap",
      "path": "/evidence-cards/grok--perplexity--raw-overlap.json",
      "object_id": "asca:evidence-card-grok--perplexity--raw-overlap@2026-08-27.v1",
      "kind": "pair_raw_overlap",
      "title": "Grok × Perplexity: raw hostname overlap"
    },
    {
      "slug": "grok--perplexity--normalized-overlap",
      "path": "/evidence-cards/grok--perplexity--normalized-overlap.json",
      "object_id": "asca:evidence-card-grok--perplexity--normalized-overlap@2026-08-27.v1",
      "kind": "pair_normalized_overlap",
      "title": "Grok × Perplexity: normalized hostname overlap"
    },
    {
      "slug": "grok--perplexity--normalization-delta",
      "path": "/evidence-cards/grok--perplexity--normalization-delta.json",
      "object_id": "asca:evidence-card-grok--perplexity--normalization-delta@2026-08-27.v1",
      "kind": "pair_normalization_delta",
      "title": "Grok × Perplexity: change after normalization"
    },
    {
      "slug": "platform-ai-mode--matrix-profile",
      "path": "/evidence-cards/platform-ai-mode--matrix-profile.json",
      "object_id": "asca:evidence-card-platform-ai-mode--matrix-profile@2026-08-27.v1",
      "kind": "platform_matrix_profile",
      "title": "AI Mode: five-row matrix profile"
    },
    {
      "slug": "platform-chatgpt--matrix-profile",
      "path": "/evidence-cards/platform-chatgpt--matrix-profile.json",
      "object_id": "asca:evidence-card-platform-chatgpt--matrix-profile@2026-08-27.v1",
      "kind": "platform_matrix_profile",
      "title": "ChatGPT: five-row matrix profile"
    },
    {
      "slug": "platform-copilot--matrix-profile",
      "path": "/evidence-cards/platform-copilot--matrix-profile.json",
      "object_id": "asca:evidence-card-platform-copilot--matrix-profile@2026-08-27.v1",
      "kind": "platform_matrix_profile",
      "title": "Copilot: five-row matrix profile"
    },
    {
      "slug": "platform-gemini--matrix-profile",
      "path": "/evidence-cards/platform-gemini--matrix-profile.json",
      "object_id": "asca:evidence-card-platform-gemini--matrix-profile@2026-08-27.v1",
      "kind": "platform_matrix_profile",
      "title": "Gemini: five-row matrix profile"
    },
    {
      "slug": "platform-grok--matrix-profile",
      "path": "/evidence-cards/platform-grok--matrix-profile.json",
      "object_id": "asca:evidence-card-platform-grok--matrix-profile@2026-08-27.v1",
      "kind": "platform_matrix_profile",
      "title": "Grok: five-row matrix profile"
    },
    {
      "slug": "platform-perplexity--matrix-profile",
      "path": "/evidence-cards/platform-perplexity--matrix-profile.json",
      "object_id": "asca:evidence-card-platform-perplexity--matrix-profile@2026-08-27.v1",
      "kind": "platform_matrix_profile",
      "title": "Perplexity: five-row matrix profile"
    }
  ]
}