{
  "spec": "sak-package-signature/v1",
  "algorithm": "ed25519",
  "sha256": "1fa3e3da57fb12c2ed4960fd2ff934d26200535f35573f98abd6061b9dc77919",
  "signature": "LiRhkrJVkdW7DvL6po1zXoJTcmZTbna2A7bQS70u1IsDsql3gvbjo90b7lntXXcC8G8y/p3bnkciaF/6ugMDCg==",
  "signing_key_id": "0aff169ecb84607d",
  "signed_at": "2026-08-23T23:22:25.880Z",
  "slug": "verification-loop",
  "version": "0.1.0",
  "filename": "verification-loop-agent-plugin.zip",
  "bytes": 3330,
  "content_digest": "f90dec16a7f758e926173a0d0fccf2382c0be87632ce7fb63c22f8183a6e8e59",
  "content_signature": "y0sgPTS9h6FkiQHiKWU8ddwKNjI+meqVydKBmhJtXAOCXZMFZ+PWLT3TVArN+2sepCJL7gLGOYmRk0VZpWH/Bw==",
  "files": [
    {
      "path": "mcp.json",
      "sha256": "a4ec0149cccb566b6c4b6d8413290229819ff2adcfa9eb5387c3f91d31103a57"
    },
    {
      "path": "plugin.json",
      "sha256": "3794b668ecfbb4639710a6af25b8c691a36067016d08a4cb1bd42a5b7fbb5b64"
    },
    {
      "path": "skills/verification-loop/SKILL.md",
      "sha256": "946a8d24a9c2d62a77aa53b1159467f25ef080c77ae91177ef68f5a1d61b86d9"
    }
  ],
  "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]"
  }
}