{
  "spec": "sak-package-signature/v1",
  "algorithm": "ed25519",
  "sha256": "ce06fff7d2c4f2aeda34b0e72acb262f1c7ece9db054e354a32bb11f6724ef09",
  "signature": "87saNIN2vxod5JAt9Bxl5HffagHX0rJXDKn7UPPFNsFCPGBFaKu3Dk9A79BSJHBcU+YoZdVeSJeRaJBZ1nIlDA==",
  "signing_key_id": "0aff169ecb84607d",
  "signed_at": "2026-08-24T01:37:23.871Z",
  "slug": "guardrail-medical-device-advice",
  "version": "0.1.0",
  "filename": "guardrail-medical-device-advice-agent-plugin.zip",
  "bytes": 3687,
  "content_digest": "526d14ded5f779ae381c734c11f7924855b28529d0594577c6cb593e2df40c6d",
  "content_signature": "RWIv7egwNcBk6BLC9JfE8OAskVGncetTaH3yGhaxKUt/1tbAW13UezNZGZHbW28jNOGPo5f4qr/84ujkti45Cg==",
  "files": [
    {
      "path": "mcp.json",
      "sha256": "a4ec0149cccb566b6c4b6d8413290229819ff2adcfa9eb5387c3f91d31103a57"
    },
    {
      "path": "plugin.json",
      "sha256": "549298e3ab293fd2711acc6b28fc84f9aed9f79dfd46e8c5359f94668aedfc9f"
    },
    {
      "path": "skills/guardrail-medical-device-advice/SKILL.md",
      "sha256": "726d15954d6595c0c93c37e80bba0cf26013b285aac8bb4b90a9848ab15252b5"
    }
  ],
  "verify": {
    "public_key_url": "https://superagentskill.com/api/public/signing-key.pem",
    "instructions": "sha256 the downloaded .zip, compare with `sha256`, then verify the base64 `signature` as an Ed25519 signature over the ascii sha256 hex string using the public key. An extracted or repacked copy can still be verified via `content_digest` / `content_signature`. Helper: node scripts/verify-package-signature.mjs <file.zip> <signature.json> [public-key.pem]"
  }
}