{
  "spec": "sak-package-signature/v1",
  "algorithm": "ed25519",
  "sha256": "5283e97b96fc332e4659482f0164ed8f115388672b42f06b0fc1fc28a1f6e59f",
  "signature": "e2GPLbRncVroEpnbp82SMedaKbWrh/xsWbQlMezuShkrKc+KLm/6jR6s4diYebNbIvGbFtVhPEZCUZQpLpqVCA==",
  "signing_key_id": "0aff169ecb84607d",
  "signed_at": "2026-08-24T01:07:37.984Z",
  "slug": "warehouse-cost-optimizer",
  "version": "0.1.0",
  "filename": "warehouse-cost-optimizer-agent-plugin.zip",
  "bytes": 3593,
  "content_digest": "144c2e8d443d07ff64f1b548d99748419c4d85af534faa3e02baa3ba4f474263",
  "content_signature": "oadpmTUrPOTyqhIkErjQ2IV/CpQtv09fdNnHGTU7+Z0nJhpmdTMtwpk0but8UkY2PzcNPMmI1JsLWxRwitPaCg==",
  "files": [
    {
      "path": "mcp.json",
      "sha256": "a4ec0149cccb566b6c4b6d8413290229819ff2adcfa9eb5387c3f91d31103a57"
    },
    {
      "path": "plugin.json",
      "sha256": "f6df917f92db7a34c0944a2ff02f376ecb89eb6bd8d3165befddde74091dd453"
    },
    {
      "path": "skills/warehouse-cost-optimizer/SKILL.md",
      "sha256": "04414f268c2269f4a3dcb8a98bfc1ffab418e50913473d26debe0362290db9cf"
    }
  ],
  "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]"
  }
}