{
  "spec": "sak-package-signature/v1",
  "algorithm": "ed25519",
  "sha256": "31b9d6930c0ccd790b15cd5e74778247e57c0c8f29a5ebcf2d76b8bf79742196",
  "signature": "yOGvJzLfUX5wRFC24uGe2L8sRC7nlsl+XdxNZbfbJ1cABr+5Xp3vaJL9xzqNDEtL8pAbvtpHmsvVRgK9o6GuDw==",
  "signing_key_id": "0aff169ecb84607d",
  "signed_at": "2026-08-23T23:22:11.418Z",
  "slug": "nodejs-patterns",
  "version": "1.0.0",
  "filename": "nodejs-patterns-agent-plugin.zip",
  "bytes": 3440,
  "content_digest": "6ea5ad22a1161b591080657b747e9396fce23177737bba43d05e7ba098e2c751",
  "content_signature": "IkJAPndKMfixXf5lTJ9RT/i7nUMhd1mPKS0Qa95KR+4gwLYHBMtO8LWAYDIocLgGe7ciTX9/8e6/UpAfHRClAw==",
  "files": [
    {
      "path": "mcp.json",
      "sha256": "a4ec0149cccb566b6c4b6d8413290229819ff2adcfa9eb5387c3f91d31103a57"
    },
    {
      "path": "plugin.json",
      "sha256": "f9d288b0dddfa5e3a35d2fdd9db7c7efe55d00685bad460fceb0ed2b60c977c5"
    },
    {
      "path": "skills/nodejs-patterns/SKILL.md",
      "sha256": "77450b268092b1c2e57cad10055b00a0de968a68c3fb911bc53651f142364566"
    }
  ],
  "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]"
  }
}