{
  "spec": "sak-package-signature/v1",
  "algorithm": "ed25519",
  "sha256": "6c18cd6674135eb58a58991a7e8644818481b9ab815b6b0b44ca06fc222034cb",
  "signature": "Sb9RP2//w9fftwOakC3CorA2kgQHBCaJlhBWPk9haZy/uUw2MRT7VbiZoeJesBltUQLt0vw4PH0NUwkZRrgsBg==",
  "signing_key_id": "0aff169ecb84607d",
  "signed_at": "2026-08-24T00:49:54.467Z",
  "slug": "guardrail-radiology-imaging-safety",
  "version": "0.1.0",
  "filename": "guardrail-radiology-imaging-safety-agent-plugin.zip",
  "bytes": 3659,
  "content_digest": "e30ead3dfb1c59f0052df3b75b8142ab8a3d42ef0b4e9b810f5cbff5b1767c48",
  "content_signature": "oUeajyhZL2clZDDIO3OGjB6O9c2zSHamXWsDYMfxTFZBUgkjV/71BUqOzsIHfYJyLxoybjsJ04iZzKR0N7zEAg==",
  "files": [
    {
      "path": "mcp.json",
      "sha256": "a4ec0149cccb566b6c4b6d8413290229819ff2adcfa9eb5387c3f91d31103a57"
    },
    {
      "path": "plugin.json",
      "sha256": "58ec42835d687fff8de94627aad1688ac4857a7eb6403d970bc733798e2e17fa"
    },
    {
      "path": "skills/guardrail-radiology-imaging-safety/SKILL.md",
      "sha256": "07dc01b5cd4ee2a9ed5793a949d739738cbee5cc2059ec42e09f68ee5b8d5353"
    }
  ],
  "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]"
  }
}