{
  "$defs": {
    "BatteryIdentity": {
      "additionalProperties": false,
      "description": "What makes two campaigns the same measurement, twice.\n\nRecorded on both sides and compared field by field. A mismatch in any of these is\nnot a difference in the system under test — it is a difference in the question\nasked, and the two results are not on the same axis.",
      "properties": {
        "frame_type": {
          "anyOf": [
            {
              "type": "string"
            },
            {
              "type": "null"
            }
          ],
          "default": null,
          "title": "Frame Type"
        },
        "scenario_ids": {
          "items": {
            "type": "string"
          },
          "title": "Scenario Ids",
          "type": "array"
        },
        "scenarios_executed": {
          "minimum": 0,
          "title": "Scenarios Executed",
          "type": "integer"
        },
        "seeds": {
          "items": {
            "type": "integer"
          },
          "title": "Seeds",
          "type": "array"
        },
        "vehicle_model": {
          "anyOf": [
            {
              "type": "string"
            },
            {
              "type": "null"
            }
          ],
          "default": null,
          "title": "Vehicle Model"
        }
      },
      "required": [
        "scenario_ids",
        "seeds",
        "scenarios_executed"
      ],
      "title": "BatteryIdentity",
      "type": "object"
    },
    "PackRef": {
      "additionalProperties": false,
      "description": "One input, identified by what it IS rather than by where it was found.\n\n``canonical_sha256`` is the digest of the bytes that were signed, so a delta names\nits inputs unforgeably: you can hold a pack and prove it is the one that was\ncompared, or prove it is not.",
      "properties": {
        "canonical_sha256": {
          "title": "Canonical Sha256",
          "type": "string"
        },
        "pack_id": {
          "title": "Pack Id",
          "type": "string"
        },
        "platform_version": {
          "anyOf": [
            {
              "type": "string"
            },
            {
              "type": "null"
            }
          ],
          "default": null,
          "title": "Platform Version"
        },
        "ran_at": {
          "anyOf": [
            {
              "type": "string"
            },
            {
              "type": "null"
            }
          ],
          "default": null,
          "title": "Ran At"
        },
        "scenarios_executed": {
          "minimum": 0,
          "title": "Scenarios Executed",
          "type": "integer"
        },
        "schema_version": {
          "anyOf": [
            {
              "type": "string"
            },
            {
              "type": "null"
            }
          ],
          "default": null,
          "title": "Schema Version"
        },
        "solver_class": {
          "anyOf": [
            {
              "type": "string"
            },
            {
              "type": "null"
            }
          ],
          "default": null,
          "title": "Solver Class"
        }
      },
      "required": [
        "pack_id",
        "canonical_sha256",
        "scenarios_executed"
      ],
      "title": "PackRef",
      "type": "object"
    },
    "RateDelta": {
      "additionalProperties": false,
      "description": "A pass-rate change with a Wilson interval on each side.\n\nThe interval is on each rate, not on the difference: a difference-of-proportions\ninterval is a different statistic with different assumptions, and quoting one we\ndid not compute would be exactly the sort of borrowed rigour this platform exists\nto avoid.",
      "properties": {
        "baseline_ci95": {
          "anyOf": [
            {
              "items": {
                "type": "number"
              },
              "type": "array"
            },
            {
              "type": "null"
            }
          ],
          "default": null,
          "title": "Baseline Ci95"
        },
        "baseline_passed": {
          "minimum": 0,
          "title": "Baseline Passed",
          "type": "integer"
        },
        "baseline_rate": {
          "anyOf": [
            {
              "type": "number"
            },
            {
              "type": "null"
            }
          ],
          "default": null,
          "title": "Baseline Rate"
        },
        "baseline_total": {
          "minimum": 0,
          "title": "Baseline Total",
          "type": "integer"
        },
        "candidate_ci95": {
          "anyOf": [
            {
              "items": {
                "type": "number"
              },
              "type": "array"
            },
            {
              "type": "null"
            }
          ],
          "default": null,
          "title": "Candidate Ci95"
        },
        "candidate_passed": {
          "minimum": 0,
          "title": "Candidate Passed",
          "type": "integer"
        },
        "candidate_rate": {
          "anyOf": [
            {
              "type": "number"
            },
            {
              "type": "null"
            }
          ],
          "default": null,
          "title": "Candidate Rate"
        },
        "candidate_total": {
          "minimum": 0,
          "title": "Candidate Total",
          "type": "integer"
        },
        "delta": {
          "anyOf": [
            {
              "type": "number"
            },
            {
              "type": "null"
            }
          ],
          "default": null,
          "title": "Delta"
        }
      },
      "required": [
        "baseline_passed",
        "baseline_total",
        "candidate_passed",
        "candidate_total"
      ],
      "title": "RateDelta",
      "type": "object"
    },
    "Signature": {
      "additionalProperties": false,
      "description": "Detached cosign signature over the artifact's canonical bytes.",
      "properties": {
        "algorithm": {
          "default": "ECDSA-P256",
          "title": "Algorithm",
          "type": "string"
        },
        "key_source": {
          "anyOf": [
            {
              "type": "string"
            },
            {
              "type": "null"
            }
          ],
          "default": null,
          "title": "Key Source"
        },
        "signature_b64": {
          "anyOf": [
            {
              "type": "string"
            },
            {
              "type": "null"
            }
          ],
          "default": null,
          "title": "Signature B64"
        }
      },
      "title": "Signature",
      "type": "object"
    },
    "Transition": {
      "additionalProperties": false,
      "description": "One scenario's verdict, before and after.",
      "properties": {
        "baseline_status": {
          "title": "Baseline Status",
          "type": "string"
        },
        "candidate_status": {
          "title": "Candidate Status",
          "type": "string"
        },
        "kind": {
          "enum": [
            "fixed",
            "broken",
            "unchanged",
            "changed"
          ],
          "title": "Kind",
          "type": "string"
        },
        "scenario_id": {
          "title": "Scenario Id",
          "type": "string"
        }
      },
      "required": [
        "scenario_id",
        "baseline_status",
        "candidate_status",
        "kind"
      ],
      "title": "Transition",
      "type": "object"
    }
  },
  "$id": "https://schema.certanix.eu/v1/delta-report-1.0.schema.json",
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "additionalProperties": false,
  "description": "A STANDALONE signed root with its own `schema_version` line — not a field of an evidence pack, so the pack schema does not move when this one does. FROZEN: a correction is a new version. Structural validity only.",
  "properties": {
    "artifact_type": {
      "const": "delta-report",
      "default": "delta-report",
      "title": "Artifact Type",
      "type": "string"
    },
    "baseline": {
      "$ref": "#/$defs/PackRef"
    },
    "battery": {
      "$ref": "#/$defs/BatteryIdentity"
    },
    "candidate": {
      "$ref": "#/$defs/PackRef"
    },
    "counts": {
      "additionalProperties": {
        "type": "integer"
      },
      "title": "Counts",
      "type": "object"
    },
    "generated_at": {
      "anyOf": [
        {
          "type": "string"
        },
        {
          "type": "null"
        }
      ],
      "default": null,
      "title": "Generated At"
    },
    "pass_rate": {
      "anyOf": [
        {
          "$ref": "#/$defs/RateDelta"
        },
        {
          "type": "null"
        }
      ],
      "default": null
    },
    "platform_version": {
      "anyOf": [
        {
          "type": "string"
        },
        {
          "type": "null"
        }
      ],
      "default": null,
      "title": "Platform Version"
    },
    "schema_version": {
      "default": "1.0",
      "title": "Schema Version",
      "type": "string"
    },
    "schema_version_pair": {
      "items": {
        "anyOf": [
          {
            "type": "string"
          },
          {
            "type": "null"
          }
        ]
      },
      "title": "Schema Version Pair",
      "type": "array"
    },
    "signature": {
      "anyOf": [
        {
          "$ref": "#/$defs/Signature"
        },
        {
          "type": "null"
        }
      ],
      "default": null
    },
    "solver_class_pair": {
      "items": {
        "anyOf": [
          {
            "type": "string"
          },
          {
            "type": "null"
          }
        ]
      },
      "title": "Solver Class Pair",
      "type": "array"
    },
    "subject": {
      "title": "Subject",
      "type": "string"
    },
    "transitions": {
      "items": {
        "$ref": "#/$defs/Transition"
      },
      "title": "Transitions",
      "type": "array"
    }
  },
  "required": [
    "subject",
    "baseline",
    "candidate",
    "battery"
  ],
  "title": "Certanix delta report, schema 1.0",
  "type": "object"
}