{
  "spec": "sak-package-signature/v1",
  "algorithm": "ed25519",
  "sha256": "745a345755d55cdb48e55fac31978b2f60ac92aa6934a62e59c1e68dd6a04a5a",
  "signature": "nO6/+QfjQEY9RPw7YKL0m2pAmN6Li3luYPyx75N7ROdA/Ta4a/wDcHfx2buOyw/EgSX5agrFZN0cXx6rg80aCg==",
  "signing_key_id": "0aff169ecb84607d",
  "signed_at": "2026-08-24T02:02:22.926Z",
  "slug": "pdf-form-filler",
  "version": "0.1.0",
  "filename": "pdf-form-filler-agent-plugin.zip",
  "bytes": 3152,
  "content_digest": "50851502c7301bbcaad04e732b0d73422608d24499af7ab107a45d0b21aa81b1",
  "content_signature": "FtQl8PLIi5Pbu1OalI8gTDurFC0lMTwMwlXqYktABoIvE3DYLvXjQdx8h0vo6RCd+NWNI6Nh/whhxKVq2E2jDQ==",
  "files": [
    {
      "path": "mcp.json",
      "sha256": "a4ec0149cccb566b6c4b6d8413290229819ff2adcfa9eb5387c3f91d31103a57"
    },
    {
      "path": "plugin.json",
      "sha256": "cfdbb5fe94eb91408deecb9f3a76ed3eb4a522ada017a3a370bf5c6394f9acca"
    },
    {
      "path": "skills/pdf-form-filler/SKILL.md",
      "sha256": "db9f8b2a798e41c7bb7edadfe5bacdee24c770aa84575b8ec92fb20718cd5aba"
    }
  ],
  "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]"
  }
}