{
  "spec": "sak-package-signature/v1",
  "algorithm": "ed25519",
  "sha256": "46a31c4f616a34dbe93a8caf48ea21183c101f74d36aa8fcb2605fed20bdffc4",
  "signature": "Tdc7xUdjAtTkA0Y6i2NIHWvlGPjLhob++zqvVwsX+OhbnaROYjqQ1MyHej4opJj+A0EeJyOlStoSH6jmXGXxCQ==",
  "signing_key_id": "0aff169ecb84607d",
  "signed_at": "2026-08-23T23:23:34.600Z",
  "slug": "doc-skill-pdf",
  "version": "0.1.0",
  "filename": "doc-skill-pdf-agent-plugin.zip",
  "bytes": 4165,
  "content_digest": "a2a84a88f797f88696f40aca01a57111c1b39fef4cc080565fe763cda6adc967",
  "content_signature": "WgWfsf0LdQqdhAFqaaC2bT5hi1J2Oz608y0kGgdeCpxMc1WvQ7DJTdyEcHZzpIKhDzJuu1S4kb4ukP4bT1lOBg==",
  "files": [
    {
      "path": "mcp.json",
      "sha256": "a4ec0149cccb566b6c4b6d8413290229819ff2adcfa9eb5387c3f91d31103a57"
    },
    {
      "path": "plugin.json",
      "sha256": "69e4b5d9b27d0d8f9333a6badff7505c8c3907e293bb0a389b5c45c407048135"
    },
    {
      "path": "skills/doc-skill-pdf/SKILL.md",
      "sha256": "687cac4bcb81b77c61ee48e51cae75e79600f7bbf463fb057193e2e791213f52"
    },
    {
      "path": "skills/doc-skill-pdf/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]"
  }
}