{
  "spec": "sak-package-signature/v1",
  "algorithm": "ed25519",
  "sha256": "71cb459d10678b4673e556ad0a10405d3152fe7d323ed1856062e1655eac951e",
  "signature": "J+GkKwZWvOcdIAi46uOJ6iOdBgdsr8D20n0AXJJm1x2ya8K2MAcv+C8Gigbv853h926rrGh9ThMFfE2VmICfCA==",
  "signing_key_id": "0aff169ecb84607d",
  "signed_at": "2026-08-24T01:07:59.850Z",
  "slug": "pl-x-ads",
  "version": "1.0.0",
  "filename": "pl-x-ads-agent-plugin.zip",
  "bytes": 4035,
  "content_digest": "aff6d00c07a2b61183484cebdddfca35a2f7f68d8335b333cc3e18630380ea9f",
  "content_signature": "jfYF+0doEcrYIbEsb/Z3/dP+LdXWhDuH820ZbVWFbNgkZMWYit6n29jT31yov0HnxSjdYGp2PRiTV0zvwCp9Dw==",
  "files": [
    {
      "path": "mcp.json",
      "sha256": "a4ec0149cccb566b6c4b6d8413290229819ff2adcfa9eb5387c3f91d31103a57"
    },
    {
      "path": "plugin.json",
      "sha256": "60e0b77e097145d30e5ab92344199376d5f3d49b95c67733280a7f3bba32c6de"
    },
    {
      "path": "skills/pl-x-ads/SKILL.md",
      "sha256": "9781f312fb55f4c3c9bdd2f963e4ab7ff56fbe819218a489c086fafb56b06c1a"
    },
    {
      "path": "skills/pl-x-ads/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]"
  }
}