{
  "spec": "sak-package-signature/v1",
  "algorithm": "ed25519",
  "sha256": "bb9ed5724f4e63fe3e8e544297860c0b311fe6db3dafd4f3fa24d9073dcdb1dd",
  "signature": "gfcQH+QFSEp5Dag6byrKeJOqhzRARmo6BQ7InXmO4iGdDdrZ+vnyNAbEZGsbnNH2DNPXle6qWVlDsQcpc820Dg==",
  "signing_key_id": "0aff169ecb84607d",
  "signed_at": "2026-08-24T00:26:29.101Z",
  "slug": "recipe-scaler",
  "version": "0.1.0",
  "filename": "recipe-scaler-agent-plugin.zip",
  "bytes": 3369,
  "content_digest": "451d542cfdb5576fa2d710d7edbb9a5ae524805f6eb10e330fa2d296877be598",
  "content_signature": "A5pMNCGinKnxqriHxS2crVt6psuo1uHI+dbeHaDFd4Gfug9tfp3Gj5KUOn9yw6SJusOzISSvX9aH1+gfzfMsBw==",
  "files": [
    {
      "path": "mcp.json",
      "sha256": "a4ec0149cccb566b6c4b6d8413290229819ff2adcfa9eb5387c3f91d31103a57"
    },
    {
      "path": "plugin.json",
      "sha256": "f9718a458fc3acd04bba26fea6b1dccb87e9cf110f369a3d35e203c4433b2d8a"
    },
    {
      "path": "skills/recipe-scaler/SKILL.md",
      "sha256": "01972ca4b581bb507890146cd9f340554df82c2dd2607050d39d72605eac6d7c"
    }
  ],
  "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]"
  }
}