{
  "spec": "sak-package-signature/v1",
  "algorithm": "ed25519",
  "sha256": "955da4c4d9965893b5886777ca83fc1f82c0aad7fb3df8b90e275362ec911b52",
  "signature": "Urtq5xnprmfkyyM1nZPqJYS99apMu9/r9Vxr7dbbqu0yWXqIk3Wx870SvuDo9zW3YAt1JkVvnqaLLsyTxvc/AA==",
  "signing_key_id": "0aff169ecb84607d",
  "signed_at": "2026-08-24T01:02:07.742Z",
  "slug": "refactoring-patterns",
  "version": "1.0.0",
  "filename": "refactoring-patterns-agent-plugin.zip",
  "bytes": 3486,
  "content_digest": "0e2057b297fd9e1269b243cefbc51bd5e744b38a5b1b9fc5b581437994084aec",
  "content_signature": "PghRs6k1VQWgqwSY3SfklNGOMOoJyNP3ZAnRXy7CRMFl1UFok2ROtUwbnMvfBRVv5Td92rW7CyLaB59QGH8iCg==",
  "files": [
    {
      "path": "mcp.json",
      "sha256": "a4ec0149cccb566b6c4b6d8413290229819ff2adcfa9eb5387c3f91d31103a57"
    },
    {
      "path": "plugin.json",
      "sha256": "f4b588cfbcd879343b5b85dc1b9d460261af4adeb269e1b3b111ff3cc2939cc9"
    },
    {
      "path": "skills/refactoring-patterns/SKILL.md",
      "sha256": "0f00d1ec39b27b3cf90b7740ef9618516fefb85a6d7c8b44f2e227b33b80a729"
    }
  ],
  "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]"
  }
}