{
  "spec": "sak-package-signature/v1",
  "algorithm": "ed25519",
  "sha256": "3be894d2a267f0fdf1648d636d8e673dd9fc45eda5cc4588fa6566f09c179163",
  "signature": "9Yh/dlZzCNKiJNYhGOLkcybqykjF2QvU/kCCz5bkn+O1EYoOTAgK9nfwt4kGmJYi7G5gF0x3dZ3Sg8x5CoNjAQ==",
  "signing_key_id": "0aff169ecb84607d",
  "signed_at": "2026-08-24T00:27:34.143Z",
  "slug": "soul-charlie-munger",
  "version": "0.1.0",
  "filename": "soul-charlie-munger-agent-plugin.zip",
  "bytes": 4011,
  "content_digest": "a860fc45fcdaa176349a939dd96c45a4dd70d5627d305d37d45aa2f8364cbb7e",
  "content_signature": "TBB5Nsj+vNzKFkWH0Pff2zJkX3aMi5P5XY7juhoe1d6Ynp+TfPq+t5WtFNTMykDBsqqJaqgBG+OXXw+D5xdJAg==",
  "files": [
    {
      "path": "mcp.json",
      "sha256": "a4ec0149cccb566b6c4b6d8413290229819ff2adcfa9eb5387c3f91d31103a57"
    },
    {
      "path": "plugin.json",
      "sha256": "bedc628f187589a4cefc4f2321c11b5fd84aa5f9ddc890ec3c76cd92a66b001f"
    },
    {
      "path": "skills/soul-charlie-munger/SKILL.md",
      "sha256": "a61798cd9a5770309f5940ed7c652c25093b54e4c99414bc90ee8ff4319686e4"
    }
  ],
  "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]"
  }
}