{
  "spec": "sak-package-signature/v1",
  "algorithm": "ed25519",
  "sha256": "dc73b17ea333aa9d33e1ae9227995c37ec4e3d09f9d0ceedc98680f8dd206d59",
  "signature": "/dgfw5/iLynQF+De3JyOGSsN0wlmiBxsVluOMSxus7NU2IqYhKpC9+9oPPEYo3ei5mpSp+io++WmJjuyfnY+CA==",
  "signing_key_id": "0aff169ecb84607d",
  "signed_at": "2026-08-24T02:01:28.362Z",
  "slug": "guardrail-cloud-infrastructure-change",
  "version": "0.1.0",
  "filename": "guardrail-cloud-infrastructure-change-agent-plugin.zip",
  "bytes": 3724,
  "content_digest": "677d96f0e5d4d8150e4c97c8a2858c0080a6448d7b098548110355b697ad3f67",
  "content_signature": "+lIjTvJ3AN3LOOZkN4pw8B5JF1AKFe6O4K/hkLjTYnOL1KUF9va467kimhUf47ZK0Uu5hUx19yrx6nIk8wPzAQ==",
  "files": [
    {
      "path": "mcp.json",
      "sha256": "a4ec0149cccb566b6c4b6d8413290229819ff2adcfa9eb5387c3f91d31103a57"
    },
    {
      "path": "plugin.json",
      "sha256": "bc1adbd91c314c48b1203a5cab7a866436991fc4bb8528f8047c6a40016ce659"
    },
    {
      "path": "skills/guardrail-cloud-infrastructure-change/SKILL.md",
      "sha256": "9dc456f67eed3a414b9a88bbd5b92618b4f397db37e2287190a50c4a6f33b28c"
    }
  ],
  "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]"
  }
}