{
  "spec": "sak-package-signature/v1",
  "algorithm": "ed25519",
  "sha256": "d3af18a20b0cb874c34647946b565e8bf40d504c1df957cd94993314807deace",
  "signature": "KcKB6Fnexea19rKBacf9zReao/F3dn3iEhbPqEKMw+hgfr1O0zDYW5OcsBaINnT9fHfuoCl24XqIRvlcyL/iDg==",
  "signing_key_id": "0aff169ecb84607d",
  "signed_at": "2026-08-23T23:57:28.058Z",
  "slug": "guardrail-fire-life-safety",
  "version": "0.1.0",
  "filename": "guardrail-fire-life-safety-agent-plugin.zip",
  "bytes": 3478,
  "content_digest": "446a5bd7436ec124f726ea7b2cf9eb8b415882cf643c54b1c78d78a87829d722",
  "content_signature": "UlwGtBGQnDd9nq1n7YosofLqFr13FzJ6dHW1sjCwRvIzYf2c4ByoKtXwcyEgULbS+qlG+ZREKgoUc6V2QUAKAg==",
  "files": [
    {
      "path": "mcp.json",
      "sha256": "a4ec0149cccb566b6c4b6d8413290229819ff2adcfa9eb5387c3f91d31103a57"
    },
    {
      "path": "plugin.json",
      "sha256": "40f463551b0c235ef5db195988e5552631fe8f23e73f2d2566dcd702bc37ed9b"
    },
    {
      "path": "skills/guardrail-fire-life-safety/SKILL.md",
      "sha256": "f590391144e26a5960efe4926b36e447cfedd7abcb8978e4b629b7edd0f7858a"
    }
  ],
  "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]"
  }
}