{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://sediment.so/schemas/training-rows/dpo-provenance/v1.json",
  "title": "DPOProvenance",
  "description": "Provenance for both DPO members.",
  "type": "object",
  "properties": {
    "chosen": {
      "$ref": "#/$defs/Provenance",
      "description": "Provenance for the preferred member."
    },
    "rejected": {
      "$ref": "#/$defs/Provenance",
      "description": "Provenance for the dispreferred member."
    }
  },
  "additionalProperties": false,
  "required": [
    "chosen",
    "rejected"
  ],
  "$defs": {
    "Provenance": {
      "type": "object",
      "properties": {
        "policy_version": {
          "type": "string",
          "description": "The derivation implementation policy version."
        },
        "quarantine_revision": {
          "type": "integer",
          "description": "The integer quarantine-log high-water mark used for the derivation."
        },
        "policy_digest": {
          "anyOf": [
            {
              "type": "string"
            },
            {
              "type": "null"
            }
          ],
          "description": "SHA-256 of the fully resolved derivation policy when available."
        }
      },
      "additionalProperties": false,
      "required": [
        "policy_version",
        "quarantine_revision",
        "policy_digest"
      ]
    }
  }
}