{
  "spec": "sak-package-signature/v1",
  "algorithm": "ed25519",
  "sha256": "31f175a0fb066219a213c1a56f00b17389c2a7c593c56c424e24abde06518600",
  "signature": "hn2nIuY/peT7nbDb6EZcysGXowL8QYGiS/+7UHDgurqBNojHWn1ksttJp4onYEgQWOhDYHUIxgmDRdIGyLAXAw==",
  "signing_key_id": "0aff169ecb84607d",
  "signed_at": "2026-08-24T00:48:41.722Z",
  "slug": "seo-cluster-architect",
  "version": "0.1.0",
  "filename": "seo-cluster-architect-agent-plugin.zip",
  "bytes": 3512,
  "content_digest": "3304955e666ea3d300ad284f74e4e2753acb083cc24a3ec35b8af6393fa5edcf",
  "content_signature": "5oAR5y8Zt5RRQatr+CWom3Dx3fqduXbg+suziiWMzuX1DxeyFHyHr0PccV8HFwr1vvT4LvOChPEshD3SXl+kAQ==",
  "files": [
    {
      "path": "mcp.json",
      "sha256": "a4ec0149cccb566b6c4b6d8413290229819ff2adcfa9eb5387c3f91d31103a57"
    },
    {
      "path": "plugin.json",
      "sha256": "f94c2ce146318faa49b1a9e9e0619e27eba0d641dd1418ea29760c510fe7820c"
    },
    {
      "path": "skills/seo-cluster-architect/SKILL.md",
      "sha256": "c545512eda42cb5c1c38485195ecb8c90e2421c6e13dd6124aff9ed7211aa7ad"
    }
  ],
  "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]"
  }
}