{
  "spec": "sak-package-signature/v1",
  "algorithm": "ed25519",
  "sha256": "54cf3caec64a1ddfb6b1287019bae39676fe8ac179e4e9c8834eee60c861ce5f",
  "signature": "D57OSg/X08lKEcYv87azFBHufdcGs+nrqclFZ/+mVJEWqyNTFYvyqepjQLpfCFMB/PJviwdlqrxYYG7x7tSpDw==",
  "signing_key_id": "0aff169ecb84607d",
  "signed_at": "2026-08-24T01:09:18.980Z",
  "slug": "retail-shelf-auditor",
  "version": "0.1.0",
  "filename": "retail-shelf-auditor-agent-plugin.zip",
  "bytes": 3469,
  "content_digest": "1abda5b25aca6d89610a1c8912a2032899a81ddf0fe106990b9290bc6f237473",
  "content_signature": "/+lPA7FonuapN3Z9DwPZPO7yNC2AmzicER9qovc3SNlVeD6iY9ShdUyhyIDRcxJapdDPzwhct3M/C6hHdcQvDg==",
  "files": [
    {
      "path": "mcp.json",
      "sha256": "a4ec0149cccb566b6c4b6d8413290229819ff2adcfa9eb5387c3f91d31103a57"
    },
    {
      "path": "plugin.json",
      "sha256": "5206632591354df870f8451ea358ee10382b4f69e0b56a4f26ef0d3c7fe536c0"
    },
    {
      "path": "skills/retail-shelf-auditor/SKILL.md",
      "sha256": "311647a5332cb769c51ac6de1fda77f8b9e275f256c92eb566ed09599ac269d6"
    }
  ],
  "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]"
  }
}