{
  "spec": "sak-package-signature/v1",
  "algorithm": "ed25519",
  "sha256": "18775b7782fb8bb538833b6dc1b95b1fcccd96355facd6cf58e665a7f86f54d1",
  "signature": "dvMnJL6Aam5Tri2B/56Tm//QvCDl5bu1RYqZdHtTDHe9/eGDCcCB4dypvBCMJg3sBlL7a5gztmPqDYNOF1A2Bg==",
  "signing_key_id": "0aff169ecb84607d",
  "signed_at": "2026-08-24T00:47:18.180Z",
  "slug": "markdown-to-pdf",
  "version": "0.1.0",
  "filename": "markdown-to-pdf-agent-plugin.zip",
  "bytes": 3226,
  "content_digest": "c3e0ebf60109938af835c81165cd9ac39f292f35a49d8ea2afd3c3dcea33a577",
  "content_signature": "C6E6gbro6zSfNMW5g6zDvS8X6EQoQfrOX74SOhYOXg3y+n47ThdIr/9+NQwl737XlHez3FxNWwFrzC3L3GmzDQ==",
  "files": [
    {
      "path": "mcp.json",
      "sha256": "a4ec0149cccb566b6c4b6d8413290229819ff2adcfa9eb5387c3f91d31103a57"
    },
    {
      "path": "plugin.json",
      "sha256": "a9fff64fd1a4a12f879fb601e11c5897b4191811d1344e1e235667fdb8d18b9d"
    },
    {
      "path": "skills/markdown-to-pdf/SKILL.md",
      "sha256": "fabc31349b30a57ef57411a885c29dd271398d66e4ff72c10ebb4a5039c67f2b"
    }
  ],
  "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]"
  }
}