{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://aiwg.io/schemas/security/aiwg-artifact-trust-state.v1.schema.json",
  "title": "AIWG persisted artifact trust state v1",
  "type": "object",
  "additionalProperties": false,
  "required": ["schemaVersion", "rootVersion", "rootSha256", "trustedTime", "channels"],
  "properties": {
    "schemaVersion": { "const": "aiwg.artifact-trust-state.v1" },
    "rootVersion": { "type": "integer", "minimum": 1 },
    "rootSha256": { "$ref": "#/$defs/sha256" },
    "trustedTime": { "type": "string", "format": "date-time" },
    "channels": {
      "type": "object",
      "additionalProperties": {
        "type": "object", "additionalProperties": false,
        "dependentRequired": { "subject": ["assetType"], "assetType": ["subject"] },
        "required": ["namespace", "channel", "sequence", "artifactSha256", "version", "verifiedAt"],
        "properties": {
          "namespace": { "$ref": "#/$defs/nonEmpty" }, "channel": { "$ref": "#/$defs/nonEmpty" },
          "subject": { "$ref": "#/$defs/nonEmpty" }, "assetType": { "$ref": "#/$defs/nonEmpty" },
          "sequence": { "type": "integer", "minimum": 1 }, "artifactSha256": { "$ref": "#/$defs/sha256" },
          "version": { "$ref": "#/$defs/nonEmpty" }, "verifiedAt": { "type": "string", "format": "date-time" }
        }
      }
    }
  },
  "$defs": {
    "sha256": { "type": "string", "pattern": "^[a-f0-9]{64}$" },
    "nonEmpty": { "type": "string", "minLength": 1 }
  }
}