{
  "spec": "sak-package-signature/v1",
  "algorithm": "ed25519",
  "sha256": "250280f5098dacf1f9e64ae8b443f0c79affd9dee8e02ad6255c043a2a8403fc",
  "signature": "rXhrVmj/aBmVuwgAAnXpOmsiNknW4Z8cfugJE5HqANLjXJS93tMWHJTKucaZNPKOD65g8LUaCqZujj//3/3MDA==",
  "signing_key_id": "0aff169ecb84607d",
  "signed_at": "2026-08-24T02:04:10.710Z",
  "slug": "video-storyboard-author",
  "version": "0.1.0",
  "filename": "video-storyboard-author-agent-plugin.zip",
  "bytes": 3555,
  "content_digest": "0a87f33fe38d39f92759414cfe05b95c2909dbc41f3c0e317f53d975cad75d15",
  "content_signature": "Urvxo8YGyTvkEPRNNQnB8jH31A6jF3Tq96odJuGANet7AGRfrFTcusIkbJzSYMPqdBCdAVDHFOYhPlBWJe5rCg==",
  "files": [
    {
      "path": "mcp.json",
      "sha256": "a4ec0149cccb566b6c4b6d8413290229819ff2adcfa9eb5387c3f91d31103a57"
    },
    {
      "path": "plugin.json",
      "sha256": "3a4b4cf153e4591e468a77e66733541fbe24efd6e725502d55d99eb19a1e97de"
    },
    {
      "path": "skills/video-storyboard-author/SKILL.md",
      "sha256": "30f138f22b28ce1a2f575d8972494977dad5b08489e2061f18718868c5e14f42"
    }
  ],
  "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]"
  }
}