{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "title": "Evidence record",
  "type": "object",
  "required": ["id", "kind", "status", "sources"],
  "properties": {
    "id": {"type": "string"},
    "kind": {"type": "string"},
    "description": {"type": "string"},
    "origin_declared": {"type": ["string", "null"]},
    "status": {"enum": ["mentioned", "located", "challenged", "uncertain", "not_located"]},
    "sources": {"type": "array", "items": {"type": "string"}},
    "authenticity_assessment": {"type": "string"}
  },
  "additionalProperties": false
}