{
  "spec": "sak-package-signature/v1",
  "algorithm": "ed25519",
  "sha256": "9e7bc244e59a90500a47fa00b85fc36575835edfbbf2a0e5f7fbd6d8e0967152",
  "signature": "pHsvNWSdpzpbEvmXChJ8x26EbOqkgQArvFjO+TY+rlWuhuaw2AE9G8jF06DNlkuSsBIdZWxMbemigezMKIQUAA==",
  "signing_key_id": "0aff169ecb84607d",
  "signed_at": "2026-08-24T01:35:20.810Z",
  "slug": "ap-invoice-matcher",
  "version": "0.1.0",
  "filename": "ap-invoice-matcher-agent-plugin.zip",
  "bytes": 3452,
  "content_digest": "01868fbf6a9f139c1ef09fe1fbe15daedb110a2b18f5f81791823d93c2c35f91",
  "content_signature": "EC06UGPrbfopDB9HRa7JbtoTUckJFMKZKYbYFCkFkh+bzppBaNpRz47x7pmQkCsgBAJyUIfX8ZKX5Xaw0sZiCA==",
  "files": [
    {
      "path": "mcp.json",
      "sha256": "a4ec0149cccb566b6c4b6d8413290229819ff2adcfa9eb5387c3f91d31103a57"
    },
    {
      "path": "plugin.json",
      "sha256": "09c942ae0e33eb72f499dd29c2516c9c7a81707ccdf713ff221f331fa4ab713b"
    },
    {
      "path": "skills/ap-invoice-matcher/SKILL.md",
      "sha256": "da661040acc59fb043eea293208e0afc6e393eb91a19a8fbf357112d7034ef21"
    }
  ],
  "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]"
  }
}