{
  "spec": "sak-package-signature/v1",
  "algorithm": "ed25519",
  "sha256": "f7ca6df0a497d85450bd8315e5d300192e50c32164eefccd4f0502fe6574cdf6",
  "signature": "pgT0pBNbfmC7mQBNJ+xkANSmut2lrET+UI0Hq/eULHMC6phfc5iAi3dk03IKK7HdYWrxq4w7OBVjEP7kujNPBQ==",
  "signing_key_id": "0aff169ecb84607d",
  "signed_at": "2026-08-24T00:29:20.114Z",
  "slug": "plagiarism-screener",
  "version": "0.1.0",
  "filename": "plagiarism-screener-agent-plugin.zip",
  "bytes": 3464,
  "content_digest": "3b9e814535315d8909a4ee859976d64ba31ebfd2d64f6e7e980ae4baee866b12",
  "content_signature": "DUNvmqleStojNKfM67lq7tHxMc65VecHuSxpZ2O4Y3SidcpNmikDVK0+YHrZ4cFhsGTbKz0+KAq4cNMMmoSxDA==",
  "files": [
    {
      "path": "mcp.json",
      "sha256": "a4ec0149cccb566b6c4b6d8413290229819ff2adcfa9eb5387c3f91d31103a57"
    },
    {
      "path": "plugin.json",
      "sha256": "fde3b66831e1b6060e70b66bf902e8e2f092db5919ff571e3d2fdf85377f45ce"
    },
    {
      "path": "skills/plagiarism-screener/SKILL.md",
      "sha256": "7f0e3725be0e1686f7fcfbd45d9969fbe8292ef53b8dc3f806aac7c7a9704715"
    }
  ],
  "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]"
  }
}