{
  "spec": "sak-package-signature/v1",
  "algorithm": "ed25519",
  "sha256": "56b53a1516561ea2b3b81d703122c357c7fc0c33897fcdb9440d6e7fad240433",
  "signature": "TbdN9qy4rdLK6nqPycSMS6/3nqtqdKhW1pJEJABcHnKUWcp0T6Tig6vt3+IbKeTdW4B+44cKXgV+tumi+s6LAg==",
  "signing_key_id": "0aff169ecb84607d",
  "signed_at": "2026-08-24T00:51:00.605Z",
  "slug": "pl-sales-demo",
  "version": "1.0.0",
  "filename": "pl-sales-demo-agent-plugin.zip",
  "bytes": 4117,
  "content_digest": "8d76230c734e04d265a8509315697085be8bf9b008ead5e745508321ad79ecd2",
  "content_signature": "1Vs0xSzSoVEljI1HGN40aJGtXwylrfID9OLoEDzWmKR9ZHHiP98P9Ho4WsEX2JSTr1YyNGRxAoz87dOAPdEzAQ==",
  "files": [
    {
      "path": "mcp.json",
      "sha256": "a4ec0149cccb566b6c4b6d8413290229819ff2adcfa9eb5387c3f91d31103a57"
    },
    {
      "path": "plugin.json",
      "sha256": "4d5b7c05d2928cea2a0577d3842fb542f506894b0fb8d6b07054fbd7ef0f540b"
    },
    {
      "path": "skills/pl-sales-demo/SKILL.md",
      "sha256": "cc8878141f146d383240adf6a93fb6bdab39d3bb97e1382539b6a5fb8670acb7"
    },
    {
      "path": "skills/pl-sales-demo/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]"
  }
}