{
  "spec": "sak-package-signature/v1",
  "algorithm": "ed25519",
  "sha256": "f8549701da3d0e936a7a651d4a25683395411ce504f2899fae398d3f8faf5a48",
  "signature": "XYJcbd0yr+/5EJL54LV0EIpdN2HEWnqKjb6ioqQHUb1x+gw4Rs/ARfDhWVNpTSaDmwiT0gxSlkQnq4+gVOUPDQ==",
  "signing_key_id": "0aff169ecb84607d",
  "signed_at": "2026-08-24T01:57:02.446Z",
  "slug": "pl-qbr",
  "version": "1.0.0",
  "filename": "pl-qbr-agent-plugin.zip",
  "bytes": 3928,
  "content_digest": "3288d66122d533e80269117d6921ba9f70ccc3d8ee5798ab2a1d69b39b631166",
  "content_signature": "WBdAF6eUCc5O7qbMDD3BmLx6AMJSLAM/hl+w5pe2k1Vq19AD/DTKvLtR50x2oeag9giAoBL+S9HF5xJLcb9qBw==",
  "files": [
    {
      "path": "mcp.json",
      "sha256": "a4ec0149cccb566b6c4b6d8413290229819ff2adcfa9eb5387c3f91d31103a57"
    },
    {
      "path": "plugin.json",
      "sha256": "5bcb3ecd6681f0635460b68c078c5b7e57f9a74866d1614027c82215184f004b"
    },
    {
      "path": "skills/pl-qbr/SKILL.md",
      "sha256": "e38d04f0fe6792d848800622ce7a14bc86125fc0e30eb82c37b02f54ef4eea92"
    },
    {
      "path": "skills/pl-qbr/references/examples.md",
      "sha256": "9726c5def208c03bfa335e734c3c096fb0685ce89fd2097c9d2f4a4e19890e48"
    }
  ],
  "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]"
  }
}