{
  "spec": "sak-package-signature/v1",
  "algorithm": "ed25519",
  "sha256": "b9aac1cdc3c35865d97cfea21dedde032cac32597cd962bdce2465c4939fe737",
  "signature": "/Pjyv4Y2Zb7aYveArprEBxdrCnmeAxuex2xwqET4BK/jHgNvj4RT3UjfEHoEiol8IqUMrhX/TG1sJ52NAgOABA==",
  "signing_key_id": "0aff169ecb84607d",
  "signed_at": "2026-08-24T01:37:43.839Z",
  "slug": "viral-short-video-writer",
  "version": "0.1.0",
  "filename": "viral-short-video-writer-agent-plugin.zip",
  "bytes": 4374,
  "content_digest": "acef2e27c261fdb6353676cfcfc264425ce067ec63faaeeab89f269411df85af",
  "content_signature": "WVCCC2BjRkodTmn0ou4AIU8HxWsQBpKopMbyQkm0jScsRst19iu2z3L4/pnxC/aWArRsqDuzYfxqyQgL8r0lCA==",
  "files": [
    {
      "path": "mcp.json",
      "sha256": "a4ec0149cccb566b6c4b6d8413290229819ff2adcfa9eb5387c3f91d31103a57"
    },
    {
      "path": "plugin.json",
      "sha256": "58b8827d93959ba9e74de8f9b75f91c1e1510dfea331e303c547306c2aa635cf"
    },
    {
      "path": "skills/viral-short-video-writer/SKILL.md",
      "sha256": "4832f116ebf9230e6991632143803803fdf2662b2a95a86e2f37d3f1b54fadaa"
    },
    {
      "path": "skills/viral-short-video-writer/references/examples.md",
      "sha256": "3cfa3b7543f304f9252c447d654469b5ea7d4419a39bf41a6c0bf2832e967ec8"
    }
  ],
  "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]"
  }
}