{
  "spec": "sak-package-signature/v1",
  "algorithm": "ed25519",
  "sha256": "5e053acb0f79430e2a018ef903188e12f768f4cfded2b0d50f3626f86fa7451c",
  "signature": "eB3wo51mojzpuxHEcbgdFn+HMEuzOxLQXAVQmt1GBLl9gpbRXnhyHjM4xHGSaea32jK2vuC+ZU+8lmKva0G6CQ==",
  "signing_key_id": "0aff169ecb84607d",
  "signed_at": "2026-08-24T00:43:48.560Z",
  "slug": "ip-assignment-checker",
  "version": "0.1.0",
  "filename": "ip-assignment-checker-agent-plugin.zip",
  "bytes": 3516,
  "content_digest": "8ac51c3409f709899e6931956442db6e88254ed88fd35e30178a6b10f9522ff0",
  "content_signature": "OMOSemWNa8POw5EVKeBBiJ/Jj3rZQvmWa5Ij/QEP27MakVLcCK0ez3fI5rzgytD69u4CBfVHgm+rquujzvtzDw==",
  "files": [
    {
      "path": "mcp.json",
      "sha256": "a4ec0149cccb566b6c4b6d8413290229819ff2adcfa9eb5387c3f91d31103a57"
    },
    {
      "path": "plugin.json",
      "sha256": "dfc14dc5ce63da2cc11d8518dd98fcdcd3c9e242a0828f860d54958ddbb052ca"
    },
    {
      "path": "skills/ip-assignment-checker/SKILL.md",
      "sha256": "a325f64138956e5aec424a38d8a89c6750dae1f4530531c86481705413195425"
    }
  ],
  "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]"
  }
}