{
  "spec": "sak-package-signature/v1",
  "algorithm": "ed25519",
  "sha256": "88da35661d15942921567bc93336178a8f452d03519ea5f5ef008c3e33cdf0ee",
  "signature": "gy+k/Uzr7xl/a2BydHkOyPq1lfa5oToO6cRYpgMU09HCW73pRSjTycFDsXD50ze7YhgB7N30RqRGhFiWkHumBA==",
  "signing_key_id": "0aff169ecb84607d",
  "signed_at": "2026-08-24T00:25:01.304Z",
  "slug": "meta-ads-optimizer",
  "version": "0.1.0",
  "filename": "meta-ads-optimizer-agent-plugin.zip",
  "bytes": 4287,
  "content_digest": "062404fcb976f9068de23313063bfda90b032a549254a54d2d14736991302bfa",
  "content_signature": "tpkm9dUtwPbVGbydj3BUMaNBfsTATQNTQoMOPdLb+6L4/tk8ZUh8bqGk0Eug7IspCw0yeAKvIhUFSu4Prkr/Aw==",
  "files": [
    {
      "path": "mcp.json",
      "sha256": "a4ec0149cccb566b6c4b6d8413290229819ff2adcfa9eb5387c3f91d31103a57"
    },
    {
      "path": "plugin.json",
      "sha256": "466e2505ac5ada4f3fe4ea145d8f55fd9b4a406e0e1373874120fa29142e9444"
    },
    {
      "path": "skills/meta-ads-optimizer/SKILL.md",
      "sha256": "73ec6a516d5b21f661537c743758f6d5f3df5f796eb3e5e733738190a3354722"
    },
    {
      "path": "skills/meta-ads-optimizer/references/examples.md",
      "sha256": "3cfa3b7543f304f9252c447d654469b5ea7d4419a39bf41a6c0bf2832e967ec8"
    }
  ],
  "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]"
  }
}