{
  "spec": "sak-package-signature/v1",
  "algorithm": "ed25519",
  "sha256": "985ab48a49b8884a7912d6abf6f4369a597ea98ccc8fc33335cb3c3fb1a3f727",
  "signature": "OZxvgM+V3Oj2f9wcPZz9oJDabGUxEC8pOX320VGScqseeUuUcV06YqAujUAXCEHTvQCLip0QylK3danweB63BQ==",
  "signing_key_id": "0aff169ecb84607d",
  "signed_at": "2026-08-23T23:53:42.728Z",
  "slug": "od-creative-director",
  "version": "0.1.0",
  "filename": "od-creative-director-agent-plugin.zip",
  "bytes": 4575,
  "content_digest": "0100f73b218de7b5f8d4f5c266093c10a42d16eb1fe79d24a698880c13930850",
  "content_signature": "dIBSvJWkDpWSSLYvCE97Ci/ua9ZcDkeNkL7nf1i95w0gmFJYA2aiR7fMGVQlASdkSxzPYXrvErGvGZXl2wiIDw==",
  "files": [
    {
      "path": "mcp.json",
      "sha256": "a4ec0149cccb566b6c4b6d8413290229819ff2adcfa9eb5387c3f91d31103a57"
    },
    {
      "path": "plugin.json",
      "sha256": "5864a552bccea3a99fb80894fbc49814e9328db254c10392ec8e3a2fcd3f8563"
    },
    {
      "path": "skills/od-creative-director/SKILL.md",
      "sha256": "aad8b994122bce05d4e7e1f49ed382232e198f571b257f9e90ab887b95590425"
    },
    {
      "path": "skills/od-creative-director/references/examples.md",
      "sha256": "4baff9db352a29d4bf83cf3191a964bf4f4962a0a22300f3c72b42da256fd588"
    }
  ],
  "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]"
  }
}