{
  "spec": "sak-package-signature/v1",
  "algorithm": "ed25519",
  "sha256": "8fe0fbdf884c4eb452359689bffc58520e651393fe1c1e43078b5571486ed8b1",
  "signature": "Kj1UhMFuuf/NFx7I/p838iom2tn8dzbiWACmImjYfAkRTpbA3GvcTWBv3ly6+yEw0NPChJclHgq8DkZNkW7dAA==",
  "signing_key_id": "0aff169ecb84607d",
  "signed_at": "2026-10-08T16:25:44.820Z",
  "slug": "notion-sync",
  "version": "0.1.0",
  "filename": "notion-sync-agent-plugin.zip",
  "bytes": 3094,
  "content_digest": "6f5f7e5536b04f384ea47d7af434e54bf31455bc7ddc5591d32c0041d4e78f49",
  "content_signature": "tnBxilLCDm4YKdtyNvemVOR/FBmTDyo2gXrjkN+5bDo7jAJSbggmSst0cD2JcLuTiyeR7gsHxtVhDc517sUUBg==",
  "files": [
    {
      "path": "mcp.json",
      "sha256": "a4ec0149cccb566b6c4b6d8413290229819ff2adcfa9eb5387c3f91d31103a57"
    },
    {
      "path": "plugin.json",
      "sha256": "97d020362cc7ac29f70de4f997fa8a18d57bbdfbb15a19d31ab749f637a9c063"
    },
    {
      "path": "skills/notion-sync/SKILL.md",
      "sha256": "3132ca8e41763f2ebcebf8560ed33dbe3d50dfb8758db397dd27712a52e59e0f"
    }
  ],
  "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]"
  }
}