{
  "spec": "sak-package-signature/v1",
  "algorithm": "ed25519",
  "sha256": "3c8fe66996c183c1edcb4ba36e07763110018a5468d684f1c8ab117300f41621",
  "signature": "USTGaJKcpTtSE9++dFjuM5d6PIdokPpEG6b/NPsr4hwS0uE4QTm/Cyc9OsJfwkWdGo71ZzTyywXpV5ffIRLJDA==",
  "signing_key_id": "0aff169ecb84607d",
  "signed_at": "2026-08-24T00:47:53.791Z",
  "slug": "podcast-show-notes",
  "version": "0.1.0",
  "filename": "podcast-show-notes-agent-plugin.zip",
  "bytes": 3492,
  "content_digest": "e198328c8dbc18ee1a4c89f0a28d3cb3772ddeaaf82dc1fe384c2b1f8aed1257",
  "content_signature": "+TUN2ZpJDN47J1+5ykibx00Gyh4tosdFlatT0UjV69szQ3hJ3g5iaJiSDk24cKCFLGhnEdKwvfkdeMUCgwGcAA==",
  "files": [
    {
      "path": "mcp.json",
      "sha256": "a4ec0149cccb566b6c4b6d8413290229819ff2adcfa9eb5387c3f91d31103a57"
    },
    {
      "path": "plugin.json",
      "sha256": "581ae3ed752f9aa99a8ffe14a4155fe18ee349d36f90bec501072df60b3a9676"
    },
    {
      "path": "skills/podcast-show-notes/SKILL.md",
      "sha256": "9d133a68351b785a786f33e913df77552762a4f155b3f74d579ecdf81a0002f4"
    }
  ],
  "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]"
  }
}