{
  "spec": "sak-package-signature/v1",
  "algorithm": "ed25519",
  "sha256": "c3d7ffb8ed495c19c5332e609ca7d28bf11292365c8aa3955ca0c624a34b61da",
  "signature": "srdBqQAj7Rkn7/J0szEZgylXnsdUAh6A7yis3Am6pUlDl4ivkMLGGa91jXJcvq9SakHUwkpezSAILjzhDcB8BA==",
  "signing_key_id": "0aff169ecb84607d",
  "signed_at": "2026-08-24T01:03:29.630Z",
  "slug": "test-strategy",
  "version": "1.0.0",
  "filename": "test-strategy-agent-plugin.zip",
  "bytes": 3403,
  "content_digest": "903a83d37931277ed0019156f42f4c69006d2b8a5d7fd27e528ab59b6a34d3bf",
  "content_signature": "Sv4wyLMUKfVjYN7wEJc8A3ioic0CeSSWYI8cmgoXcp2NjNEEf4YljO9c6HO+gevN01iQzvLQ9e6K7B8k1bCwDQ==",
  "files": [
    {
      "path": "mcp.json",
      "sha256": "a4ec0149cccb566b6c4b6d8413290229819ff2adcfa9eb5387c3f91d31103a57"
    },
    {
      "path": "plugin.json",
      "sha256": "074805aa12f1cfa5220f5c36e87859fcc649132d39d3937e67fcd9fd5ceb4d64"
    },
    {
      "path": "skills/test-strategy/SKILL.md",
      "sha256": "14c536b9105ec4744d3826c423c32ced91ca33f11aced207bb82faafbf4eb0d2"
    }
  ],
  "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]"
  }
}