{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://paperspec.scient.ing/schemas/provenance.schema.json",
  "title": "Provenance",
  "description": "provenance.json of a package; spec/12-package.md.",
  "type": "object",
  "properties": {
    "tools": {
      "type": "array",
      "items": {
        "type": "object",
        "properties": {
          "name": {
            "type": "string",
            "minLength": 1
          },
          "version": {
            "type": "string",
            "minLength": 1
          }
        },
        "required": [
          "name",
          "version"
        ],
        "additionalProperties": false
      }
    },
    "backends": {
      "type": "array",
      "items": {
        "type": "object",
        "properties": {
          "name": {
            "type": "string",
            "minLength": 1
          },
          "version": {
            "type": "string",
            "minLength": 1
          },
          "declaration": {
            "$ref": "common.schema.json#/$defs/hash"
          }
        },
        "required": [
          "name",
          "version"
        ],
        "additionalProperties": false
      }
    },
    "readings": {
      "type": "array",
      "items": {
        "type": "object",
        "properties": {
          "id": {
            "type": "string",
            "minLength": 1
          },
          "witness": {
            "$ref": "common.schema.json#/$defs/nodeId"
          },
          "backend": {
            "type": "string",
            "minLength": 1
          },
          "sha256": {
            "$ref": "common.schema.json#/$defs/hash"
          }
        },
        "required": [
          "id",
          "witness",
          "backend",
          "sha256"
        ],
        "additionalProperties": false
      }
    },
    "stages": {
      "type": "array",
      "items": {
        "type": "object",
        "properties": {
          "stage": {
            "enum": [
              "acquire",
              "read",
              "witness",
              "assemble",
              "reconcile",
              "segment",
              "locate",
              "structure",
              "figures",
              "mint",
              "suspects",
              "review",
              "gate",
              "finalize",
              "export",
              "hand"
            ]
          },
          "tool": {
            "type": "string",
            "minLength": 1
          },
          "inputs": {
            "type": "array",
            "items": {
              "$ref": "common.schema.json#/$defs/hash"
            }
          },
          "output": {
            "$ref": "common.schema.json#/$defs/hash"
          },
          "processor": {
            "$ref": "common.schema.json#/$defs/processor"
          },
          "uses": {
            "type": "array",
            "items": {
              "type": "string",
              "minLength": 1
            }
          },
          "job": {
            "type": "string",
            "minLength": 1
          }
        },
        "required": [
          "stage",
          "processor"
        ],
        "additionalProperties": false
      }
    },
    "session": {
      "type": "object"
    },
    "note": {
      "type": "string",
      "minLength": 1
    }
  },
  "required": [
    "tools"
  ],
  "additionalProperties": false
}