{
  "spec": "sak-package-signature/v1",
  "algorithm": "ed25519",
  "sha256": "95ecabf067fed3c7e30f445c0f6e328f4c2529ade79a046ede79ace7b4fadc1e",
  "signature": "JG/aVvfbMW7x5Cr1nhahGnIzpY6x7mFKeCZsvF8rr9X5erCJL2Qlw2LsCO4P6JZpglcJbVcUBsWb6g1jV4Y5Cw==",
  "signing_key_id": "0aff169ecb84607d",
  "signed_at": "2026-08-23T23:54:25.487Z",
  "slug": "od-brand-guidelines",
  "version": "0.1.0",
  "filename": "od-brand-guidelines-agent-plugin.zip",
  "bytes": 4359,
  "content_digest": "eb362add70e70eb180ddb4b8c8f7931388ba58f0ef79c0d515574141f582052c",
  "content_signature": "RPst542TfvnlQkOD+8NKoOvSivCZd0SAJGbQNuyDVY+esjbE3mIJ3vNHXurGhKVhbwvNBBgHYax2sSpEVCg8Ag==",
  "files": [
    {
      "path": "mcp.json",
      "sha256": "a4ec0149cccb566b6c4b6d8413290229819ff2adcfa9eb5387c3f91d31103a57"
    },
    {
      "path": "plugin.json",
      "sha256": "160c2113ff56881744fdaa34522f59a3090dba3fa87c3a53b787e986d6d0e7e1"
    },
    {
      "path": "skills/od-brand-guidelines/SKILL.md",
      "sha256": "ee3d7fb34668707d35d6e8fa4c6b1bbd2b92086c96306f97c82d92d061f08f5a"
    },
    {
      "path": "skills/od-brand-guidelines/references/examples.md",
      "sha256": "1575c2da2f0ebd74c6b4d362d8896ed4b3e93a564acbfbca89da634f0abc16b6"
    }
  ],
  "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]"
  }
}