schemas/evidence-delta.schema.json

{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "urn:opstruth:schema:evidence-delta:1.0.0",
  "title": "OpsTruth Evidence Delta v1",
  "type": "object",
  "additionalProperties": false,
  "required": ["schema", "schemaVersion", "comparedAt", "subject", "before", "after", "nodeChanges", "edgeChanges", "verdictTransition", "newlyContradicted", "digest"],
  "properties": {
    "schema": { "const": "opstruth.evidence-delta" },
    "schemaVersion": { "const": "1.0.0" },
    "comparedAt": { "type": "string", "format": "date-time" },
    "subject": { "type": "object" },
    "before": { "$ref": "#/$defs/side" },
    "after": { "$ref": "#/$defs/side" },
    "nodeChanges": { "$ref": "#/$defs/changes" },
    "edgeChanges": { "$ref": "#/$defs/changes" },
    "verdictTransition": {
      "type": "object",
      "additionalProperties": false,
      "required": ["from", "to"],
      "properties": { "from": { "$ref": "#/$defs/verdict" }, "to": { "$ref": "#/$defs/verdict" } }
    },
    "newlyContradicted": { "type": "array", "maxItems": 100, "items": { "type": "object" } },
    "digest": { "$ref": "#/$defs/digest" }
  },
  "$defs": {
    "digest": { "type": "string", "pattern": "^sha256:[a-f0-9]{64}$" },
    "verdict": { "enum": ["VERIFIED", "PARTIAL", "CONTRADICTED", "UNPROVEN"] },
    "side": {
      "type": "object",
      "additionalProperties": false,
      "required": ["graphId", "digest", "verification"],
      "properties": { "graphId": { "type": "string" }, "digest": { "$ref": "#/$defs/digest" }, "verification": { "type": "object" } }
    },
    "changes": {
      "type": "object",
      "additionalProperties": false,
      "required": ["added", "removed", "changed", "stale"],
      "properties": {
        "added": { "type": "array", "maxItems": 512, "uniqueItems": true, "items": { "type": "string" } },
        "removed": { "type": "array", "maxItems": 512, "uniqueItems": true, "items": { "type": "string" } },
        "changed": { "type": "array", "maxItems": 512, "uniqueItems": true, "items": { "type": "string" } },
        "stale": { "type": "array", "maxItems": 512, "uniqueItems": true, "items": { "type": "string" } }
      }
    }
  }
}