{
  "spec": "sak-package-signature/v1",
  "algorithm": "ed25519",
  "sha256": "db710a6316a3cfedb033004936156776a5cb2d89a80d812846e2a863d1a1ca36",
  "signature": "PjtfUj6o3DtntnL8EYjgKK7wVVesJkAOs/5xgFas6dUv2pjYKvTRWGJx+z8U6rkUuId14so7CokOt4TKg+zUBA==",
  "signing_key_id": "0aff169ecb84607d",
  "signed_at": "2026-08-23T23:35:11.951Z",
  "slug": "doubt-driven-dev",
  "version": "1.0.0",
  "filename": "doubt-driven-dev-agent-plugin.zip",
  "bytes": 5213,
  "content_digest": "0e836eaae371680403946827da9a545a1eec414ed393c0745ccbe7b8514589f4",
  "content_signature": "wRnrNjLNs6wv5vVulNLacAvuOl5FThXXbW4+EhMmUi0WzICgJNdYtiFRs80Lcjj3HDrANMPbulBQJwJoKnIqDA==",
  "files": [
    {
      "path": "mcp.json",
      "sha256": "a4ec0149cccb566b6c4b6d8413290229819ff2adcfa9eb5387c3f91d31103a57"
    },
    {
      "path": "plugin.json",
      "sha256": "937471b4ed16a2543a4d81a72eb5e5a903d16fba04847e793630ace3c447d525"
    },
    {
      "path": "skills/doubt-driven-dev/SKILL.md",
      "sha256": "4e15c8dde78ed7281d2b5c7cb7bd2b132ab6c8760e02e797b83f39c7436e0539"
    },
    {
      "path": "skills/doubt-driven-dev/references/examples.md",
      "sha256": "17ddb9793053bbf1260b6975076576127126c72a0fcbb1056be110c9ce641ed1"
    }
  ],
  "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]"
  }
}