{
  "spec": "sak-package-signature/v1",
  "algorithm": "ed25519",
  "sha256": "9fd1426561c4e4365e9d2989950f1781b1d576f4295289e06e430466a6716881",
  "signature": "CxKyUbE05JGWp2HFm+4bkEa8VEj4oeKtLU4VzjwjqJTtL8vyLhfKdmGPOrGxD8PifTwgssgu/y/VTGcQ+eoJAQ==",
  "signing_key_id": "0aff169ecb84607d",
  "signed_at": "2026-08-23T23:23:39.604Z",
  "slug": "helm-chart-author",
  "version": "0.1.0",
  "filename": "helm-chart-author-agent-plugin.zip",
  "bytes": 3445,
  "content_digest": "755caf8786c0f57000ea736eb438f36e177dc9c38eb1665b5ce6c0c3c02cf684",
  "content_signature": "HiV6bCKpc+DOVDALiiQaFKUvh9xE1MXwnlr5GojmirkY3a0jjFR5APT2n82qhfZVeRXXhqunk+j/VfWYUfclDA==",
  "files": [
    {
      "path": "mcp.json",
      "sha256": "a4ec0149cccb566b6c4b6d8413290229819ff2adcfa9eb5387c3f91d31103a57"
    },
    {
      "path": "plugin.json",
      "sha256": "de48ad9d8faf319bc7b8b6d2e1ffc37bca406836deb00983b33d86fe14754b19"
    },
    {
      "path": "skills/helm-chart-author/SKILL.md",
      "sha256": "38078741b4de8ba4060bf3fe1ddf83f12dea2aa8d35cc36ea5c76e34108e92b9"
    }
  ],
  "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]"
  }
}