{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://raw.githubusercontent.com/api-evangelist/deepinquiry/main/json-schema/deepinquiry-fact-with-clusters-schema.json",
  "title": "FactWithClusters",
  "x-generated": "2026-10-18",
  "x-method": "derived",
  "x-generator": "derive-json-schema.py",
  "x-source": "openapi/deepinquiry-openapi.json#/components/schemas/FactWithClusters",
  "allOf": [
    {
      "$ref": "#/$defs/Fact"
    },
    {
      "type": "object",
      "properties": {
        "source_clusters": {
          "type": "array",
          "items": {
            "$ref": "#/$defs/SourceCluster"
          }
        }
      }
    }
  ],
  "$defs": {
    "Fact": {
      "type": "object",
      "required": [
        "id",
        "fact_text",
        "category"
      ],
      "properties": {
        "id": {
          "type": "integer"
        },
        "fact_text": {
          "type": "string"
        },
        "category": {
          "type": "string"
        },
        "era": {
          "type": [
            "string",
            "null"
          ]
        },
        "region": {
          "type": [
            "string",
            "null"
          ]
        },
        "surprise_score": {
          "type": [
            "number",
            "null"
          ],
          "format": "float",
          "minimum": 0,
          "maximum": 1
        },
        "confidence_level": {
          "type": [
            "string",
            "null"
          ]
        },
        "verification_tier": {
          "type": [
            "string",
            "null"
          ],
          "enum": [
            "gold",
            "silver",
            "bronze",
            "unverified"
          ]
        },
        "independence_score": {
          "type": [
            "number",
            "null"
          ],
          "format": "float",
          "minimum": 0,
          "maximum": 1
        },
        "cluster_count": {
          "type": [
            "integer",
            "null"
          ],
          "minimum": 0
        },
        "citogenesis_flags": {
          "type": [
            "array",
            "null"
          ],
          "items": {
            "type": "string"
          },
          "description": "Non-empty when the verification pipeline detected signs that the supporting sources copied one another."
        },
        "claim_tier": {
          "type": [
            "string",
            "null"
          ],
          "description": "Type/strength of claim (e.g. \"definitional\", \"empirical\")."
        },
        "tags": {
          "type": [
            "array",
            "null"
          ],
          "items": {
            "type": "string"
          }
        },
        "similarity": {
          "type": [
            "number",
            "null"
          ],
          "format": "float",
          "minimum": 0,
          "maximum": 1,
          "description": "Present only on /v1/search responses."
        },
        "source_notes": {
          "type": [
            "array",
            "null"
          ],
          "items": {
            "type": "string"
          },
          "description": "Information only: weaker copies (for example a Wikipedia page or an aggregator) that were set aside because sources of another kind exist."
        }
      }
    },
    "SourceCluster": {
      "type": "object",
      "required": [
        "cluster_id",
        "origin_type",
        "member_urls"
      ],
      "properties": {
        "cluster_id": {
          "type": "string"
        },
        "origin_type": {
          "type": "string",
          "description": "e.g. \"primary\", \"secondary\", \"tertiary\""
        },
        "member_urls": {
          "type": "array",
          "items": {
            "type": "string",
            "format": "uri"
          }
        }
      }
    }
  }
}