{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "type": "object",
  "required": [
    "id",
    "domain",
    "hard_case_family",
    "query",
    "contexts",
    "context_sources",
    "candidate_answers",
    "accepted_status",
    "scores",
    "external_citations",
    "retrieval_challenge",
    "ground_truth_type",
    "oracle",
    "content_license",
    "provenance",
    "group_id",
    "split"
  ],
  "additionalProperties": false,
  "properties": {
    "id": {
      "type": [
        "string"
      ],
      "minLength": 10
    },
    "domain": {
      "type": [
        "string"
      ]
    },
    "hard_case_family": {
      "type": [
        "array"
      ]
    },
    "query": {
      "type": [
        "string"
      ]
    },
    "contexts": {
      "type": [
        "array"
      ]
    },
    "context_sources": {
      "type": [
        "array"
      ]
    },
    "candidate_answers": {
      "type": [
        "array"
      ]
    },
    "accepted_status": {
      "type": [
        "null",
        "object"
      ]
    },
    "scores": {
      "type": [
        "array",
        "null"
      ]
    },
    "external_citations": {
      "type": [
        "array"
      ]
    },
    "retrieval_challenge": {
      "type": [
        "string"
      ]
    },
    "ground_truth_type": {
      "type": [
        "string"
      ]
    },
    "oracle": {
      "type": [
        "object"
      ]
    },
    "content_license": {
      "type": [
        "string"
      ]
    },
    "provenance": {
      "type": [
        "object"
      ],
      "required": [
        "source_dataset",
        "source_record_id",
        "source_record_sha256",
        "source_license",
        "transformation"
      ],
      "properties": {
        "source_record_sha256": {
          "type": "string",
          "pattern": "^[a-f0-9]{64}$"
        }
      }
    },
    "group_id": {
      "type": [
        "string"
      ],
      "pattern": "^[a-f0-9]{64}$"
    },
    "split": {
      "enum": [
        "train",
        "validation",
        "test",
        "holdout"
      ],
      "type": [
        "string"
      ]
    }
  }
}