{
  "spec": "sak-package-signature/v1",
  "algorithm": "ed25519",
  "sha256": "b9ca2d0e458bd48ea3157d615c9a9423652df87d16a3d5e8061c820db38bbb6b",
  "signature": "u7Ec6u07ZuayJxT2H6XKD+/1S1svTB7tCJOcbj4VVK60X328o6iBbcJ+F5d5tG6FjikU8MsGuC4opbiThflNAg==",
  "signing_key_id": "0aff169ecb84607d",
  "signed_at": "2026-08-24T01:37:38.851Z",
  "slug": "guardrail-food-safety",
  "version": "0.1.0",
  "filename": "guardrail-food-safety-agent-plugin.zip",
  "bytes": 3395,
  "content_digest": "b591c9561c7ef4c6eb5ca0daa2df20b87b84f6c53985f6e67c7a02fd9a914d5d",
  "content_signature": "rp7VplulowxI4yLoIrWnyLZFmKLNZsaJdhPmr4ZOfFj3iRUX0xzOj+vOLZ6qNvTgiwZD3jwXP9g/81UgkgSRAA==",
  "files": [
    {
      "path": "mcp.json",
      "sha256": "a4ec0149cccb566b6c4b6d8413290229819ff2adcfa9eb5387c3f91d31103a57"
    },
    {
      "path": "plugin.json",
      "sha256": "432d92502d81a1e1aea6a1f861e2f79631db55daacee5c3b7528e629ff1cef4b"
    },
    {
      "path": "skills/guardrail-food-safety/SKILL.md",
      "sha256": "a25f8e8dffa070a8129d78ffd1779912b23f3c93325d1436811c39cb29f354d1"
    }
  ],
  "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]"
  }
}