{
  "spec": "sak-package-signature/v1",
  "algorithm": "ed25519",
  "sha256": "78f808663693b44d805bce927014c952e4f59acb8e4d6f36665f632cfbbd7640",
  "signature": "QaJ6LcbFv2byCFNus3pDrAks1WEvTRI9JgfaVmgd/N6MHqPlqaagjYm7UNen8vDrs+HsCn8Q7eRPjpM3jnJ3Bg==",
  "signing_key_id": "0aff169ecb84607d",
  "signed_at": "2026-08-24T00:47:04.393Z",
  "slug": "idea-refiner",
  "version": "1.0.0",
  "filename": "idea-refiner-agent-plugin.zip",
  "bytes": 4910,
  "content_digest": "834ce3f10ffa7fc66a04343b3884d62cffff7e9ab27f15954c6d56e3b60f99d6",
  "content_signature": "Zmj5bNIwpIhy91PWqiQ1CC0F0aYAQaq0u4CU/5jPMxvr6qk3P4zlpOrBWIBilO4M22dy9QMrsKXV/MOOcwfrDg==",
  "files": [
    {
      "path": "mcp.json",
      "sha256": "a4ec0149cccb566b6c4b6d8413290229819ff2adcfa9eb5387c3f91d31103a57"
    },
    {
      "path": "plugin.json",
      "sha256": "2cad2d70ced2b24a785b0463e56fd73ef488eefe8d315b4c475878648b2709c1"
    },
    {
      "path": "skills/idea-refiner/SKILL.md",
      "sha256": "c91a595f9f65ea872d3a696fa981c5a89e965bf514348f26e3061e18a7267782"
    },
    {
      "path": "skills/idea-refiner/references/examples.md",
      "sha256": "9cc5a5114236f75660ba5797c3167498c1c61077c89cb3d3dfc7cb246a662f8a"
    }
  ],
  "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]"
  }
}