{
  "spec": "sak-package-signature/v1",
  "algorithm": "ed25519",
  "sha256": "d997f22f36e23850ea21ca19d289fbbf0910527fe209e594194dadfaa9080278",
  "signature": "S8wzC8grM4hcA6jgbm3WsQ4xBjWqVPghbmR75PBd3gNj7OWnGzo/MMAGZzuln2KQUkrNOXje51VhAkF02m9XCw==",
  "signing_key_id": "0aff169ecb84607d",
  "signed_at": "2026-08-24T02:04:20.203Z",
  "slug": "pl-linkedin-thought-leadership",
  "version": "1.0.0",
  "filename": "pl-linkedin-thought-leadership-agent-plugin.zip",
  "bytes": 4565,
  "content_digest": "73d74981cec51361980277e8ccf16b0c67db635296f9db0d4e0ec425593d5995",
  "content_signature": "4GNA21AO7orzVckstBnBakv4X5uu1ewgbePW/bMX9zU0mmNIgxH5i1jTK705rrcClriLu2zdTmkAYLO2FHAcDg==",
  "files": [
    {
      "path": "mcp.json",
      "sha256": "a4ec0149cccb566b6c4b6d8413290229819ff2adcfa9eb5387c3f91d31103a57"
    },
    {
      "path": "plugin.json",
      "sha256": "851f827069a3fa3bdbe78c8ef64328f2b7c6f32ff522b10351d9e36f49ed98a6"
    },
    {
      "path": "skills/pl-linkedin-thought-leadership/SKILL.md",
      "sha256": "4c0379d1e8514dda1d1013c89bf36f4f790d403aeeb8f345609545848a83ca9e"
    },
    {
      "path": "skills/pl-linkedin-thought-leadership/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]"
  }
}