{
  "spec": "sak-package-signature/v1",
  "algorithm": "ed25519",
  "sha256": "a7bf3f4de42067d4079fecf44de03c2a3b4d5d972241298d85244e13aa70d9e1",
  "signature": "z0o9FVXiombfVMrPnVS+GTPpMH8Z7Mjulyy4yowPb578+1uk0xfJFEDXGklbicrxexaEyBMoa/a6JHuWAAyqDA==",
  "signing_key_id": "0aff169ecb84607d",
  "signed_at": "2026-08-23T23:29:13.545Z",
  "slug": "im-demand-forecasting",
  "version": "0.1.0",
  "filename": "im-demand-forecasting-agent-plugin.zip",
  "bytes": 3915,
  "content_digest": "bec6e337a00f5c0de4571dcf124b85db8a659f7645fe714d8e1ee14b5fb5f699",
  "content_signature": "3OS15MFHYW0VapAxplQPjH03yaUhNCpLCAVIM1KCi/ynwwJpPRav96TX/KX5FgQOHw8VvHgqV8J5grGHZsiODA==",
  "files": [
    {
      "path": "mcp.json",
      "sha256": "a4ec0149cccb566b6c4b6d8413290229819ff2adcfa9eb5387c3f91d31103a57"
    },
    {
      "path": "plugin.json",
      "sha256": "c5922af6c28eeaa89fa9ca76560b838a5158a5ba6e138f1e97ccab1a9ee9da12"
    },
    {
      "path": "skills/im-demand-forecasting/SKILL.md",
      "sha256": "bd8250ea81de198502daa7bbaaf87ac1e31e751e8c839cfdc68928450ef9e33b"
    }
  ],
  "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]"
  }
}