{
  "spec": "sak-package-signature/v1",
  "algorithm": "ed25519",
  "sha256": "488b6042d825e896598ebe06119627fcef1178014e1227abc22c5f98a2bb495a",
  "signature": "rgXYxjZGEtfhLPULVtYM7o9GuPzQicNVqE+6dUcXVbcAXpVIh2pg97XGPh9Yjf8cO7C0jMusnzAo43lBCqoYAg==",
  "signing_key_id": "0aff169ecb84607d",
  "signed_at": "2026-08-24T02:02:02.271Z",
  "slug": "sg-linkedin-outbound",
  "version": "0.1.0",
  "filename": "sg-linkedin-outbound-agent-plugin.zip",
  "bytes": 3869,
  "content_digest": "091e1d129b316f4b3d2756d8ab23dd7b7ebc3ec3b4ac6f4ef7c907922af2d699",
  "content_signature": "w7txfSI/jXsGwN0dm+IHgrudfpISXOjTG9Mhh6Rjoy0IacBnyKp1RWTCyKidaHa3IeW0KPY62TbxX6izQkFGCw==",
  "files": [
    {
      "path": "mcp.json",
      "sha256": "a4ec0149cccb566b6c4b6d8413290229819ff2adcfa9eb5387c3f91d31103a57"
    },
    {
      "path": "plugin.json",
      "sha256": "be13f1db240b971275001aa071b123e8f1d45818600fac5ec82e9baeec11c0a9"
    },
    {
      "path": "skills/sg-linkedin-outbound/SKILL.md",
      "sha256": "047f24ffefeb833ea7d651df2e939740b021a22c55bb7d36455ddba5256dab49"
    }
  ],
  "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]"
  }
}