{
  "spec": "sak-package-signature/v1",
  "algorithm": "ed25519",
  "sha256": "48392a0b3141f50ce5c533f0d6d9e678a4c41a1827a15b069aa3ff83ab8ddee9",
  "signature": "rLR7Elbbg/qNCpvOrxXmMhyYhk4xp0gvgQ/iXK+HQTOl5nvnY1xS6LrDMynvYuYF4vs8rZSW8yXQ+oDawm7NBw==",
  "signing_key_id": "0aff169ecb84607d",
  "signed_at": "2026-08-24T00:29:10.174Z",
  "slug": "guardrail-accessibility-digital-products",
  "version": "0.1.0",
  "filename": "guardrail-accessibility-digital-products-agent-plugin.zip",
  "bytes": 3731,
  "content_digest": "581e3126ab90fc7e3f04803e14c48c2d56bc2165d7e77f8f86614817ee122683",
  "content_signature": "RzLRGTw7K5we0xybvoocz0ukLFhwUU1v+RMzLRevAqwt3fwsDSCVb6BlX+BgVBYAq+IO/YoqkKabsW//iGUrBg==",
  "files": [
    {
      "path": "mcp.json",
      "sha256": "a4ec0149cccb566b6c4b6d8413290229819ff2adcfa9eb5387c3f91d31103a57"
    },
    {
      "path": "plugin.json",
      "sha256": "4dea567827ad2bf283850930c2014a0122bbefb983b47c6fd1bd544125731ab7"
    },
    {
      "path": "skills/guardrail-accessibility-digital-products/SKILL.md",
      "sha256": "b83c615454011b3d5999c37c2bc043d0f1515a000573add9a0553de8629489e6"
    }
  ],
  "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]"
  }
}