{
  "spec": "sak-package-signature/v1",
  "algorithm": "ed25519",
  "sha256": "96ae45059dc0245c97cfa6e7f2352904c0be407475ed2a63a74f0935c7a115f5",
  "signature": "zt9C7SAX0CesTitSy1lNtv1GE3tWC+bPVSkf2VqBcB1IGYojsxOyLTTC88ZTd0kC6O0MjuHCfgH4Rc6IPLreCA==",
  "signing_key_id": "0aff169ecb84607d",
  "signed_at": "2026-08-24T01:57:34.441Z",
  "slug": "sd-iconography",
  "version": "0.1.0",
  "filename": "sd-iconography-agent-plugin.zip",
  "bytes": 3781,
  "content_digest": "eedb860e221ee20f7fac8e5069c6536fbbcfba2d65b1ac4f24bd58d1305fe634",
  "content_signature": "II0NJdsqziINoGD3xmb0sVUduRSqQ/+8xZuz/fF45qaXW2Ln/RiMvHsNj/9B+UPy04giMVQP+IIoWvu69HbZDA==",
  "files": [
    {
      "path": "mcp.json",
      "sha256": "a4ec0149cccb566b6c4b6d8413290229819ff2adcfa9eb5387c3f91d31103a57"
    },
    {
      "path": "plugin.json",
      "sha256": "f63ef3067c4f4298baea58bf76deaa7726586b935380fa8440ac508f9e56db95"
    },
    {
      "path": "skills/sd-iconography/SKILL.md",
      "sha256": "3c32bed9090aeb4836783333803d802e053082e5b8abcf313c2d7363b56af12c"
    }
  ],
  "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]"
  }
}