{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://www.trinityaccord.org/api/external-witness-index-schema.v1.json",
  "title": "Trinity Accord External Witness Index Schema v1",
  "type": "object",
  "additionalProperties": false,
  "required": ["schema", "status", "does_not_create_authority", "does_not_rank_above_reception", "records", "counts"],
  "properties": {
    "schema": {
      "type": "string",
      "const": "trinityaccord.external-witness-index.v1"
    },
    "status": {
      "type": "string",
      "const": "evidence_provenance_index"
    },
    "purpose": { "type": "string" },
    "does_not_create_authority": { "type": "boolean", "const": true },
    "does_not_rank_above_reception": { "type": "boolean", "const": true },
    "records": {
      "type": "array",
      "items": {
        "type": "object",
        "required": ["id", "type", "source", "date", "boundary_preserved"],
        "properties": {
          "id": { "type": "string" },
          "type": {
            "type": "string",
            "enum": ["notarial_record", "institutional_record", "audit_report", "regulatory_or_court_record"]
          },
          "source": { "type": "string" },
          "date": { "type": "string" },
          "summary": { "type": "string" },
          "url_or_archive": { "type": ["string", "null"] },
          "hash_if_available": { "type": ["string", "null"] },
          "boundary_preserved": { "type": "boolean" },
          "verification_level_if_any": { "type": ["string", "null"] },
          "limitations": { "type": "array", "items": { "type": "string" } }
        }
      }
    },
    "counts": {
      "type": "object",
      "properties": {
        "notarial_record": { "type": "integer", "minimum": 0 },
        "institutional_record": { "type": "integer", "minimum": 0 },
        "audit_report": { "type": "integer", "minimum": 0 },
        "regulatory_or_court_record": { "type": "integer", "minimum": 0 }
      }
    },
    "legacy_mapping": { "type": "object" },
    "version": { "type": "string" },
    "non_amending_boundary": { "type": "boolean" },
    "canonical_authority": { "type": "string" },
    "not_instruction_override": { "type": "boolean" },
    "does_not_prove": { "type": "array", "items": { "type": "string" } }
  }
}