{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://www.samirac.com/schemas/claim-state.schema.json",
  "title": "SAQ Claim State",
  "description": "Claim-level epistemic state and lineage for SAQ v0.2.",
  "type": "object",
  "additionalProperties": false,
  "required": [
    "claim_id",
    "claim",
    "epistemic_state"
  ],
  "properties": {
    "claim_id": {
      "type": "string",
      "minLength": 1
    },
    "claim": {
      "type": "string",
      "minLength": 1
    },
    "epistemic_state": {
      "type": "string",
      "enum": [
        "ESTABLISHED",
        "DERIVED",
        "INFERRED",
        "UNKNOWN",
        "CONFLICTED"
      ]
    },
    "source": {
      "type": [
        "string",
        "null"
      ]
    },
    "validation_state": {
      "type": [
        "string",
        "null"
      ]
    },
    "provenance": {
      "type": "object",
      "additionalProperties": true
    },
    "derived_from": {
      "type": "array",
      "items": {
        "type": "string"
      }
    },
    "conflicts_with": {
      "type": "array",
      "items": {
        "type": "string"
      }
    },
    "extensions": {
      "type": "object",
      "additionalProperties": true
    }
  }
}