{
  "spec": "sak-package-signature/v1",
  "algorithm": "ed25519",
  "sha256": "5dcffccff77fef54870e94da58fd493a4e3a9f34901189fb5d1c04dde2d1c2ed",
  "signature": "WhRbJW0NzCN0LoXgdEdjFjHB5Rryowq4yt3X2U9yp7oqmGEeBuz32XJFfb8ZUB3XWwZXVXQCXN8NZWXXPN9+DA==",
  "signing_key_id": "0aff169ecb84607d",
  "signed_at": "2026-08-24T00:27:03.919Z",
  "slug": "brainstorming-divergent",
  "version": "0.1.0",
  "filename": "brainstorming-divergent-agent-plugin.zip",
  "bytes": 3442,
  "content_digest": "7eb7c295c0f2c8d3d3426947f9fc4e25d5982cc7645410f627bd9a3fe580283c",
  "content_signature": "08Sm9BBn+vdYcHtBEGk0ubMKehyXXgGzU7doNifg0ESA7QyEkjK5JR4LcajfQNOVu1Vk57ZqsoxjdWIPj7FNBQ==",
  "files": [
    {
      "path": "mcp.json",
      "sha256": "a4ec0149cccb566b6c4b6d8413290229819ff2adcfa9eb5387c3f91d31103a57"
    },
    {
      "path": "plugin.json",
      "sha256": "df1f704fe121229613f3cb4c017f3fe0243eb793f064bbcfb1d19b71ea499bec"
    },
    {
      "path": "skills/brainstorming-divergent/SKILL.md",
      "sha256": "bbd7904520429737aa374e2a8879d006381f26c932f7ab6323be36ce01708b4f"
    }
  ],
  "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]"
  }
}