{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://choiceproof.dev/schemas/semantic-supersession-approval-v0.1.schema.json",
  "title": "ChoiceProof Semantic Supersession Approval v0.1",
  "type": "object",
  "additionalProperties": false,
  "required": [
    "schemaVersion",
    "enterpriseScopeHash",
    "priorBindingHash",
    "nextBindingHash",
    "policyHash",
    "approvalArtifactHash",
    "approverKeyIdHash",
    "approvedAt"
  ],
  "properties": {
    "schemaVersion": {
      "const": "choiceproof.semanticSupersessionApproval.v0.1"
    },
    "enterpriseScopeHash": { "$ref": "#/$defs/contentHash" },
    "priorBindingHash": { "$ref": "#/$defs/contentHash" },
    "nextBindingHash": { "$ref": "#/$defs/contentHash" },
    "policyHash": { "$ref": "#/$defs/contentHash" },
    "approvalArtifactHash": { "$ref": "#/$defs/contentHash" },
    "approverKeyIdHash": { "$ref": "#/$defs/contentHash" },
    "approvedAt": {
      "type": "string",
      "format": "date-time",
      "pattern": "^\\d{4}-\\d{2}-\\d{2}T\\d{2}:\\d{2}:\\d{2}\\.\\d{3}Z$"
    }
  },
  "$defs": {
    "contentHash": {
      "type": "string",
      "pattern": "^sha256:[0-9a-f]{64}$"
    }
  }
}