{
  "spec": "sak-package-signature/v1",
  "algorithm": "ed25519",
  "sha256": "2f43ce75434a85099089ca3d684ffb3462438fae3b9d1f5a3a3a44bd0e5139ea",
  "signature": "r1kscpanAkBjtPUzd3XdxxmvXQNJGRtClvccp1g5a95yO+Eq8GK5dtRx0+R5nuluUPkIPuhBhe0qv/noJeyBDQ==",
  "signing_key_id": "0aff169ecb84607d",
  "signed_at": "2026-08-24T01:57:02.510Z",
  "slug": "doc-skill-pptx",
  "version": "0.1.0",
  "filename": "doc-skill-pptx-agent-plugin.zip",
  "bytes": 4124,
  "content_digest": "872c86717d8d52fe629b39d393bf792d1f46614f87971130e18c77fa2f0d203b",
  "content_signature": "Pr5v+0C6Gb5+Eh0Kn7muOItrrpoQHWsQz6xfyqQ1wgK3EN9hvrxmY/yHkebW0Dd7oUqaBDCTYUjazIGqiZNBDg==",
  "files": [
    {
      "path": "mcp.json",
      "sha256": "a4ec0149cccb566b6c4b6d8413290229819ff2adcfa9eb5387c3f91d31103a57"
    },
    {
      "path": "plugin.json",
      "sha256": "d7882e9fce49e30108d715c8f7ff1c9c5007bcc94d67ca7c21ea250bab0ee8e9"
    },
    {
      "path": "skills/doc-skill-pptx/SKILL.md",
      "sha256": "2b67993fc6af0d9b6460fd3d8e34f1bf4f9dfcdc6654969e1b6a9a2a6d9787df"
    },
    {
      "path": "skills/doc-skill-pptx/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]"
  }
}