{
  "spec": "sak-package-signature/v1",
  "algorithm": "ed25519",
  "sha256": "1da65b0f81f42c6cdbc45fddbcbb68bc1fa94e08def3842088012a84918de6a0",
  "signature": "e4z4nlrsSUOH4CMQgGfP8xL5Oqc0i27Qf3mS1cg+qE9w/4oGL0H3Q+f+o7v1G5s1+cMs9nJ7eXBZXk9M7JBTBQ==",
  "signing_key_id": "0aff169ecb84607d",
  "signed_at": "2026-08-24T01:07:58.053Z",
  "slug": "retail-pricing-optimizer",
  "version": "0.1.0",
  "filename": "retail-pricing-optimizer-agent-plugin.zip",
  "bytes": 3571,
  "content_digest": "b952a270a5fc47c5ae3d1e67212bd4eae79e7a2ddeaa4ccc603e3576be6cb030",
  "content_signature": "wdtwAJqYW8LWnGHFn613rBTLWBmTJmWDDgIm3r0vUbKsL8Z+qKZXaY8DML31w7kFWqw3DfPmzMUppMHmiNHqDA==",
  "files": [
    {
      "path": "mcp.json",
      "sha256": "a4ec0149cccb566b6c4b6d8413290229819ff2adcfa9eb5387c3f91d31103a57"
    },
    {
      "path": "plugin.json",
      "sha256": "a7e579912e67821787a8b7721bc4b39e6940815eff4add4e05ffb1fbfe8717d6"
    },
    {
      "path": "skills/retail-pricing-optimizer/SKILL.md",
      "sha256": "8c2aaa03a862caf21666f9421fceb3749db2ce0eb1967b2f128ce10520ef83de"
    }
  ],
  "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]"
  }
}