{
  "spec": "sak-package-signature/v1",
  "algorithm": "ed25519",
  "sha256": "8bac147fcc1b6aed913d001f9c1198bd65dceb04d6ace2994eaf3f7167171100",
  "signature": "FLjiqdKlcBbLIeugLKClQGnZDKcUUHbtNnF6fR4AryI3sIllhqzVX0z4/ecrodKQdo5mnbLr/fOzZXxGUpjQAw==",
  "signing_key_id": "0aff169ecb84607d",
  "signed_at": "2026-08-24T00:23:48.382Z",
  "slug": "sg-ab-testing",
  "version": "0.1.0",
  "filename": "sg-ab-testing-agent-plugin.zip",
  "bytes": 3833,
  "content_digest": "dbdd1aede73efd161ea4c8eaf73658e03111772c1c8651ccac8dba5a73e3f072",
  "content_signature": "88IX3cp0HBkUGwpKJWDXo5QzLORxlHWOcRAIU/SdiI4BwLBQxj+suQO+RPNvyShlSn2gIP+XhfMWQ42FKKtNBw==",
  "files": [
    {
      "path": "mcp.json",
      "sha256": "a4ec0149cccb566b6c4b6d8413290229819ff2adcfa9eb5387c3f91d31103a57"
    },
    {
      "path": "plugin.json",
      "sha256": "2f21eaa98eb85578cc3c8a88c00a5ee83701e67c0e889b4f7373c9841b657bba"
    },
    {
      "path": "skills/sg-ab-testing/SKILL.md",
      "sha256": "41bae9848d7209bb2e102c83e1dee25541ddb14d262ffe36c6b00a357edcfd6d"
    }
  ],
  "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]"
  }
}