{
  "spec": "sak-package-signature/v1",
  "algorithm": "ed25519",
  "sha256": "b22145081d33b16d3b36cab51a6c32a6cff8b5b42edc59bbad44a4ded2b42876",
  "signature": "Vl+Mt5dGcOytnYRzJkCXlm9vlHkdieKASiSRXIdaQOycUJgbegRjMx0kyTHKD6H0V5oN7Cd6yjWgnB/d9HhHCw==",
  "signing_key_id": "0aff169ecb84607d",
  "signed_at": "2026-08-24T02:00:15.146Z",
  "slug": "guardrail-electrical-engineering-safety",
  "version": "0.1.0",
  "filename": "guardrail-electrical-engineering-safety-agent-plugin.zip",
  "bytes": 3751,
  "content_digest": "68af992a5542b94eec08ca95b53fbd1d476d9fb0635c77ef150ae51467e217ee",
  "content_signature": "PByz+13YZ9R/b9GsZsg5TXm6eCu3XLhsh4VANcuxiSzyrXJZAfQBQOWwlhxO8cVtlFg91KMbm6/ZyVVLxmhVAQ==",
  "files": [
    {
      "path": "mcp.json",
      "sha256": "a4ec0149cccb566b6c4b6d8413290229819ff2adcfa9eb5387c3f91d31103a57"
    },
    {
      "path": "plugin.json",
      "sha256": "e5613154bbe200dad49507c686978d6599f7b6cd49d275df6d5a26bb0c7d452c"
    },
    {
      "path": "skills/guardrail-electrical-engineering-safety/SKILL.md",
      "sha256": "ffdd391091aee354758bf1a8d2fd800f06b98cdbb648c4187a27be06ab3900f3"
    }
  ],
  "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]"
  }
}