{
  "spec": "sak-package-signature/v1",
  "algorithm": "ed25519",
  "sha256": "1ec4ecf56f8bfa322e65adb740ddf655d9b5b282db8125363b94219433f63516",
  "signature": "+2Pdnx8R0TPG3VwEi7eeBny6OVgnMCDHAzH7nkJ3hg6+nGuAlm2PKLz+k1CPvj0+kLCiRAqFcUeb8yXWkJMLBw==",
  "signing_key_id": "0aff169ecb84607d",
  "signed_at": "2026-08-24T00:07:19.598Z",
  "slug": "testing-strategies",
  "version": "1.0.0",
  "filename": "testing-strategies-agent-plugin.zip",
  "bytes": 3476,
  "content_digest": "c4adc0436d697e7241e4df7791f8132dd3ed3a623e8604dfc694ab7d5ebb1cb4",
  "content_signature": "zOYsb3iPlmtHfgMVvA3wruVErTiSTAIi8F52e3tsaWOTYEsXs9N2g5TiwbS1BRT7QD/QAeF0SOi4Ht2G6dB2CQ==",
  "files": [
    {
      "path": "mcp.json",
      "sha256": "a4ec0149cccb566b6c4b6d8413290229819ff2adcfa9eb5387c3f91d31103a57"
    },
    {
      "path": "plugin.json",
      "sha256": "7380797be06da8b8dccdc881e60c0baa17fb9141bc9102dba6b257ea83337339"
    },
    {
      "path": "skills/testing-strategies/SKILL.md",
      "sha256": "d9a286b1e9507b7760d79bff590e3d5e0ff9286e87d643d98125cf1852dc6b99"
    }
  ],
  "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]"
  }
}