{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://www.sovrient.com/standards/eu/ai-act/1.0/schema.json",
  "title": "Sovrient EU AI Act Standards Twin v1.0",
  "type": "object",
  "additionalProperties": true,
  "required": [
    "@context",
    "@id",
    "@type",
    "name",
    "version",
    "status",
    "twinOf",
    "canonicalization",
    "contextIntegrity",
    "sourceAnchors",
    "claim",
    "interpretiveCanon",
    "verifierMode",
    "adjudicationDurabilityProfile",
    "structuralModel",
    "extractionReceipt",
    "artifactAnchor"
  ],
  "properties": {
    "@context": {
      "type": "array",
      "items": {
        "const": "https://www.sovrient.com/ns/sovrient/1.0/context.jsonld"
      },
      "minItems": 1,
      "maxItems": 1
    },
    "@type": {
      "type": "array",
      "contains": {
        "const": "sv:RegulatoryTwin"
      }
    },
    "version": {
      "const": "1.0"
    },
    "status": {
      "const": "derived-non-official"
    },
    "canonicalization": {
      "type": "object",
      "required": [
        "method",
        "hashAlgorithm",
        "hashScope",
        "hashExclusions"
      ],
      "properties": {
        "method": {
          "const": "JCS-RFC8785"
        },
        "hashAlgorithm": {
          "const": "SHA-256"
        },
        "hashScope": {
          "const": [
            "twinOf",
            "contextIntegrity",
            "sourceAnchors",
            "claim",
            "interpretiveCanon",
            "verifierMode",
            "adjudicationDurabilityProfile",
            "structuralModel",
            "extractionReceipt"
          ]
        },
        "hashExclusions": {
          "const": [
            "artifactAnchor.digest",
            "interpretiveCanon.canonSelfReference.driftDetection.digest"
          ]
        }
      }
    },
    "adjudicationDurabilityProfile": {
      "type": "object",
      "required": [
        "@type",
        "profileId",
        "profileStatus",
        "durabilityHorizon",
        "adversaryModel",
        "anchorStrategy",
        "verifierStanding"
      ],
      "properties": {
        "@type": {
          "const": "sv:AdjudicationDurabilityProfile"
        },
        "profileStatus": {
          "const": "ADP_REQUIRED"
        }
      }
    },
    "structuralModel": {
      "type": "object",
      "required": [
        "chapters",
        "articles",
        "annexes"
      ],
      "properties": {
        "articles": {
          "type": "array",
          "minItems": 113,
          "maxItems": 113
        },
        "annexes": {
          "type": "array",
          "minItems": 13,
          "maxItems": 13
        }
      }
    },
    "artifactAnchor": {
      "type": "object",
      "required": [
        "digest",
        "hashScope",
        "hashExclusions"
      ],
      "properties": {
        "digest": {
          "type": "string",
          "pattern": "^sha256:[0-9a-f]{64}$"
        },
        "hashScope": {
          "const": [
            "twinOf",
            "contextIntegrity",
            "sourceAnchors",
            "claim",
            "interpretiveCanon",
            "verifierMode",
            "adjudicationDurabilityProfile",
            "structuralModel",
            "extractionReceipt"
          ]
        },
        "hashExclusions": {
          "const": [
            "artifactAnchor.digest",
            "interpretiveCanon.canonSelfReference.driftDetection.digest"
          ]
        }
      }
    }
  }
}