{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://cezentech.com/schemas/nexus-one/profile-membership-verification-receipt-v1.json",
  "title": "Nexus One AI Profile Membership Verification Receipt",
  "type": "object",
  "additionalProperties": false,
  "required": [
    "schema", "environment", "result", "manifest_sha256", "envelope_sha256", "key_id",
    "key_fingerprint_sha256", "trust_snapshot_sha256", "policy_version", "namespace", "profiles",
    "verified_at", "verifier_build_sha256"
  ],
  "properties": {
    "schema": { "const": "com.cezen.nexus-one.profile-membership-verification-receipt.v1" },
    "environment": { "enum": ["production", "test"] },
    "result": { "const": "verified" },
    "manifest_sha256": { "type": "string", "pattern": "^[0-9a-f]{64}$" },
    "envelope_sha256": { "type": "string", "pattern": "^[0-9a-f]{64}$" },
    "key_id": { "type": "string", "minLength": 8 },
    "key_fingerprint_sha256": { "type": "string", "pattern": "^[0-9a-f]{64}$" },
    "trust_snapshot_sha256": { "type": "string", "pattern": "^[0-9a-f]{64}$" },
    "policy_version": { "type": "string", "minLength": 1 },
    "namespace": { "const": "offline-workstation/python-runtime-profiles" },
    "profiles": {
      "type": "array", "minItems": 1, "uniqueItems": true,
      "items": { "enum": ["cpu-only", "nvidia-cu128"] }
    },
    "verified_at": { "type": "string", "format": "date-time" },
    "verifier_build_sha256": { "type": "string", "pattern": "^[0-9a-f]{64}$" }
  }
}