{
  "spec": "sak-package-signature/v1",
  "algorithm": "ed25519",
  "sha256": "b4c4efb11de0b9af43735c9815101884af556547b4f6a735bfb109358129918c",
  "signature": "X6D6bZ6jKdZUNHn4bNyQGjxv7odzTbHIVMbH9HwLpnif9i1Qom+akE6ZV2cQ/Udv+0PMFXlq+7lZY+utj3DHAg==",
  "signing_key_id": "0aff169ecb84607d",
  "signed_at": "2026-08-24T00:28:04.423Z",
  "slug": "gx-clay-expert",
  "version": "0.1.0",
  "filename": "gx-clay-expert-agent-plugin.zip",
  "bytes": 4693,
  "content_digest": "dea475fb2180b5c18492a34f2465a8c39c998006122db737f42b516b94abc850",
  "content_signature": "koeyC6vdCH21CVqa/frTKfGc2HlJOpEWmkwV5MrK0Ov9Tu7Ln8Uf04Rh6goCOOrQ43jY7TG2Ocwt75Fs1f9bDg==",
  "files": [
    {
      "path": "mcp.json",
      "sha256": "a4ec0149cccb566b6c4b6d8413290229819ff2adcfa9eb5387c3f91d31103a57"
    },
    {
      "path": "plugin.json",
      "sha256": "7d306a6f59e75501766b1c6778077874c5aaa722fc23e1badc34f5148a767932"
    },
    {
      "path": "skills/gx-clay-expert/SKILL.md",
      "sha256": "26f55edec2a2f5a779c066db41f2aa6df4c006ca54d7681d504cdb79f3ad85fa"
    },
    {
      "path": "skills/gx-clay-expert/references/examples.md",
      "sha256": "66624a5b5822a6ec6363d364d2134fb8e4ff694d4b652cc520d197a867ce6dbc"
    }
  ],
  "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]"
  }
}