{
  "spec": "sak-package-signature/v1",
  "algorithm": "ed25519",
  "sha256": "d6bee5fcac3dee10e762c4981772620bb1158f033181b6a58acd26938e3f9a27",
  "signature": "Is1VActLQXFgp16nADtoLwOOLM6GY55cxJzGq9g4VNs6YK6NH5dIT0yM7Yradt31PJiWRoAZ54X1m8WzSzsIDQ==",
  "signing_key_id": "0aff169ecb84607d",
  "signed_at": "2026-08-24T00:52:15.606Z",
  "slug": "guardrail-aviation-safety",
  "version": "0.1.0",
  "filename": "guardrail-aviation-safety-agent-plugin.zip",
  "bytes": 3555,
  "content_digest": "dcee5380a3edb81a22880881e6838a1ac07a24b5cfca3e54f20c44ad63009aa3",
  "content_signature": "iI7wsER04bNFznn4YdUq/JKUVQWRhXvdKSmVZPtqIRJ96RnRleDLR4jkX/lMO03mjKi0UYo+JLnZfqqQ6v56Aw==",
  "files": [
    {
      "path": "mcp.json",
      "sha256": "a4ec0149cccb566b6c4b6d8413290229819ff2adcfa9eb5387c3f91d31103a57"
    },
    {
      "path": "plugin.json",
      "sha256": "b755791c6b18a47339d50117db5d84235f7b0b5c730cbb02af417e6e337313a5"
    },
    {
      "path": "skills/guardrail-aviation-safety/SKILL.md",
      "sha256": "f8e0cf19046f369059d362551ca311cfb94e0846d0c4ae3e927e00d1fdcf0b61"
    }
  ],
  "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]"
  }
}