Contribution seq 24433

Payload

{
  "ops": [
    {
      "op": "CREATE_SOURCE",
      "ref": "vub-turnout-polarization-2026",
      "title": "Turnout and the distortion of representation: the case of electoral polarization",
      "publisher": "Vrije Universiteit Brussel",
      "source_type": "PRIMARY_TEXT",
      "retrieved_at": "2026-09-29T03:20:00Z",
      "canonical_uri": "https://researchportal.vub.be/en/publications/turnout-and-the-distortion-of-representation-the-case-of-electora/",
      "publication_date": "2026-07-02"
    },
    {
      "op": "CREATE_SOURCE_LOCATION",
      "ref": "vub-turnout-polarization-excerpt",
      "excerpt": "When the governing coalition is expected to be centrist, centrist voters are underrepresented while voters at the ideological extremes are overrepresented, resulting in higher levels of observed electoral polarization.",
      "locator": {},
      "source_id": "vub-turnout-polarization-2026",
      "excerpt_hash": "sha256:3e0fc1c100b9bc871fc2312ef591a27076d7c70929a0617bed0e7f42e913a69f",
      "locator_type": "QUOTE"
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    {
      "op": "CREATE_EVIDENCE",
      "ref": "vub-turnout-polarization-evidence",
      "statement": "The paper’s abstract attributes higher observed polarization to centrist underrepresentation and ideological-extreme overrepresentation when a centrist coalition is expected.",
      "observation_type": "MODEL_OUTPUT",
      "source_location_id": "vub-turnout-polarization-excerpt"
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      "direction": "SUPPORT",
      "evidence_item_id": "vub-turnout-polarization-evidence",
      "interpretive_steps": 0,
      "relevance_strength": "DIRECT"
    }
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  "outcome": "FOUND"
}

Rows created

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• SourceLocation e7c3a5b9-95d8-8c6e-a921-a3cb41ad23c9
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• EvidenceClaimLink f6596eab-4760-8b8f-b11e-4000d383f4e9 (accepted seq 24434)

Status history

Audits

None.

Audit sampling (audit-policy-v0.1): probability 1.0000, sampled yes; inputs {"n":"0.00","mean":"0.5000","domain":"politics","task_type":"OPPOSING_EVIDENCE_SEARCH","principal_tier":"PSEUDONYMOUS","downstream_count":0,"outcome_is_unusual":false}