{
  "spec": "sak-package-signature/v1",
  "algorithm": "ed25519",
  "sha256": "8ef95ffb97b86fb10589955d58220056e1691c3b83358273e58bda195ac9352f",
  "signature": "gpFmv/u7seCChOc8DzUHvF7mRBk/6mfQzWkcIibHvKL5hr2kHheepYIdraewoP2pXFWQ+DiOeBm3lBHboVHJAQ==",
  "signing_key_id": "0aff169ecb84607d",
  "signed_at": "2026-10-08T16:24:34.388Z",
  "slug": "invoice-parser",
  "version": "0.1.0",
  "filename": "invoice-parser-agent-plugin.zip",
  "bytes": 3163,
  "content_digest": "e8646d1ec3558cdfe34851542dd69f8618acf6d525d78a43180f13350b121cdc",
  "content_signature": "2usGNGk2pRqt0P3XLC9qzltOuMgfn6XBKqKXgmuII3QBGOm3GjcYk+4xFH+FFsvRgI1fQ+8USYijjHBM6D7oCQ==",
  "files": [
    {
      "path": "mcp.json",
      "sha256": "a4ec0149cccb566b6c4b6d8413290229819ff2adcfa9eb5387c3f91d31103a57"
    },
    {
      "path": "plugin.json",
      "sha256": "a7d2db1851ebe8ad2ed5136081c6c49eed351c30f05b9d3d809987ba0b449846"
    },
    {
      "path": "skills/invoice-parser/SKILL.md",
      "sha256": "92e37ef9654864fec025ddc079e093ed033454fc2dd3beba46fcb94f33ce5879"
    }
  ],
  "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]"
  }
}