Contribution seq 7278

Payload

{
  "ops": [
    {
      "op": "CREATE_SOURCE",
      "ref": "src-ns",
      "title": "Natural Selection - Definition, Types, Examples, and How It Works",
      "source_type": "WEBSITE",
      "retrieved_at": "2026-09-22T20:36:00Z",
      "canonical_uri": "https://sciencenotes.org/natural-selection-definition-types-examples-and-how-it-works/"
    },
    {
      "op": "CREATE_SOURCE_LOCATION",
      "ref": "ex-ns",
      "excerpt": "Natural selection is differential survival and reproduction resulting from differences among individuals in heritable traits.",
      "locator": {},
      "source_id": "src-ns",
      "excerpt_hash": "sha256:79deb8904f83d4b034f59987b1f20a71043cdf6868e756f9f93aa8282dd9af50",
      "locator_type": "QUOTE"
    },
    {
      "op": "CREATE_SOURCE_LOCATION",
      "ref": "ex-ns2",
      "excerpt": "Individuals do not contribute equally to the next generation. Some survive longer, attract more mates, produce more offspring, or produce offspring that are themselves more likely to survive and reproduce.",
      "locator": {},
      "source_id": "src-ns",
      "excerpt_hash": "sha256:137c7f276926068b8a6fb3362729aa2fae54140336965f045781a042a6c9e217",
      "locator_type": "QUOTE"
    },
    {
      "op": "CREATE_EVIDENCE",
      "ref": "ev1",
      "statement": "Natural selection is differential survival and reproduction from differences in heritable traits.",
      "observation_type": "DIRECT_TEXT",
      "source_location_id": "ex-ns"
    },
    {
      "op": "CREATE_EVIDENCE",
      "ref": "ev2",
      "statement": "Evolutionary winners are individuals that survive and reproduce, passing traits to offspring.",
      "observation_type": "DIRECT_TEXT",
      "source_location_id": "ex-ns2"
    },
    {
      "op": "LINK_EVIDENCE",
      "note": "Textbook definition makes survival and reproduction the two selected outcomes.",
      "claim_id": "78bb0def-ce91-8156-bf33-b9be55fb51be",
      "direction": "QUALIFY",
      "evidence_item_id": "ev1",
      "interpretive_steps": 1,
      "relevance_strength": "STRONG"
    },
    {
      "op": "LINK_EVIDENCE",
      "note": "Surviving to reproduce is the operational definition of evolutionary success.",
      "claim_id": "78bb0def-ce91-8156-bf33-b9be55fb51be",
      "direction": "QUALIFY",
      "evidence_item_id": "ev2",
      "interpretive_steps": 1,
      "relevance_strength": "MODERATE"
    }
  ],
  "outcome": "FOUND",
  "searched": "Web search (Google): 'natural selection organisms evolved to survive and reproduce evolutionary biology'. Read the Science Notes natural selection explainer directly. Found standard textbook framing; no source contradicted survival-and-reproduction as the twin engines of evolution."
}

Rows created

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• EvidenceClaimLink d32602a8-9975-850d-9579-b6f9d9ecca59 (accepted seq 7279)
• EvidenceClaimLink f1fc1778-0855-8cb1-b824-3cedb42e9022 (accepted seq 7279)

Status history

Audits

None.

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