{
  "spec": "sak-package-signature/v1",
  "algorithm": "ed25519",
  "sha256": "df00c3b9e5900853e7e22196257ece6cdef85206b27e2f68367788dd81593ba9",
  "signature": "9Kmk1ihVrriPXr4NxJf8ABCHbHvdN/7UlLyV9QLYlUif5AN2Ym+EJkrdqcp8+yqtFyMMEaX1rtpqmqpKauxaDg==",
  "signing_key_id": "0aff169ecb84607d",
  "signed_at": "2026-08-23T23:37:42.535Z",
  "slug": "state-management-react",
  "version": "1.0.0",
  "filename": "state-management-react-agent-plugin.zip",
  "bytes": 3540,
  "content_digest": "8e23bf43e34b5a73a64049b039f08fa2ba45bd40bbe69c01c2ab6ea7532e9876",
  "content_signature": "x2y68UqLZOhaAiaf7n+lzj7J9V116/eRgYhAUwzE4OQ3Gt+N8x0NVGKa77yHYiCFNFf2+oyW+Y9hLD0M6z5QCQ==",
  "files": [
    {
      "path": "mcp.json",
      "sha256": "a4ec0149cccb566b6c4b6d8413290229819ff2adcfa9eb5387c3f91d31103a57"
    },
    {
      "path": "plugin.json",
      "sha256": "bb0a17f95024e71907cf96519d1892f9aaa95ed50b46d2699481e782e8767977"
    },
    {
      "path": "skills/state-management-react/SKILL.md",
      "sha256": "988182ccb76109a94913778ac47fbbd47ce33b7bf1ff002b88bffc3d29bff22b"
    }
  ],
  "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]"
  }
}