{
  "spec": "sak-package-signature/v1",
  "algorithm": "ed25519",
  "sha256": "bde5fa45297c4ebedfbcb42bf98f97d48cda98f129a3eda22290ad4c7393704f",
  "signature": "MAmWnRrA+e1QM6iESMnrmxgSzfb7S6IyhwVmQEObkCfC0JFXoQPls06eJB2fq6ByZomt3qhdT3Ljq4pjhZeZCg==",
  "signing_key_id": "0aff169ecb84607d",
  "signed_at": "2026-08-23T23:48:12.465Z",
  "slug": "clean-code-principles",
  "version": "1.0.0",
  "filename": "clean-code-principles-agent-plugin.zip",
  "bytes": 3545,
  "content_digest": "c53b92ee20bcea98856c0e1ed486627acad241786df79796cff11366308d1c51",
  "content_signature": "1ThZBmAJ4xVoiBV9uzvgpTgXDVawU/BLQhbhRZ+Pj2Uhe67OF4O0VZB/Ejr+PWhZZ+k8w0ucZ/Ac5b4IimcqBA==",
  "files": [
    {
      "path": "mcp.json",
      "sha256": "a4ec0149cccb566b6c4b6d8413290229819ff2adcfa9eb5387c3f91d31103a57"
    },
    {
      "path": "plugin.json",
      "sha256": "2f4fa6b8adb1205abcd9298673557974302ebb9d8d4d9076102668d27d96f616"
    },
    {
      "path": "skills/clean-code-principles/SKILL.md",
      "sha256": "0b1a75bbf351024ed4136219a15bf1464bd7487c8ccf2fdc08aba5f91a5e0b63"
    }
  ],
  "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]"
  }
}