{
  "spec": "sak-package-signature/v1",
  "algorithm": "ed25519",
  "sha256": "a9591c2b6961fcc6ed32360f4f025932b8ba7bb31536adc1c2bc13f46f5b848f",
  "signature": "yJv3utuHVIteWbVya1Ogb3EqIsKoawiT3U1J0PChZKXCB4/wC10VdeQ+ug6KUAJfhe4NT2o5kP/IpyvnG0FIBw==",
  "signing_key_id": "0aff169ecb84607d",
  "signed_at": "2026-08-24T02:01:28.714Z",
  "slug": "pl-social-launch-week",
  "version": "1.0.0",
  "filename": "pl-social-launch-week-agent-plugin.zip",
  "bytes": 4248,
  "content_digest": "618555a03763d6cd8518e3060896ea9a4e17c93e7e6e124b8a5e9c04efd884c9",
  "content_signature": "xI/AySpA/QCF+zR+e0QIzrc9Vqeml4iYxPStBscl6Zzm+mS/g2hGi87d/B3PD+H0X0TPMzJr+NVISSdLPTyKCQ==",
  "files": [
    {
      "path": "mcp.json",
      "sha256": "a4ec0149cccb566b6c4b6d8413290229819ff2adcfa9eb5387c3f91d31103a57"
    },
    {
      "path": "plugin.json",
      "sha256": "9db10db27bea3b43c1c12a2722a23837408c9f9d0619439670640963be0920bb"
    },
    {
      "path": "skills/pl-social-launch-week/SKILL.md",
      "sha256": "ab59c0aa77029080ab38dd74fbccff4ef402ac01cee8e3624c4a4515d43ce910"
    },
    {
      "path": "skills/pl-social-launch-week/references/examples.md",
      "sha256": "9726c5def208c03bfa335e734c3c096fb0685ce89fd2097c9d2f4a4e19890e48"
    }
  ],
  "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]"
  }
}