{
  "spec": "sak-package-signature/v1",
  "algorithm": "ed25519",
  "sha256": "030aed1700646961816de7bcf5a3e3daef13057d88e77929acb5f5d62df63e4b",
  "signature": "rnoUj1yKKjgcqQi0uWpbph7CswWdtAxLTy+dThaZGpeXUdG/+L06p72rr7GAI/Ik+B08ZDa9cUXS2nDdTpFAAQ==",
  "signing_key_id": "0aff169ecb84607d",
  "signed_at": "2026-08-24T01:07:37.227Z",
  "slug": "llm-from-scratch",
  "version": "0.1.0",
  "filename": "llm-from-scratch-agent-plugin.zip",
  "bytes": 3249,
  "content_digest": "b70fd4f952b08f47f0ecd9ea6eeb7c8c1396586c6c931a180cfecb7f88be2ac7",
  "content_signature": "IViNwImHaT/vRXt8SXKkF3JU03jl0EAOLxDOIpALDGGga+N1Rc/oDSoEElSiKcoHjl2EVdch9Lcu4WxDlLM0DQ==",
  "files": [
    {
      "path": "mcp.json",
      "sha256": "a4ec0149cccb566b6c4b6d8413290229819ff2adcfa9eb5387c3f91d31103a57"
    },
    {
      "path": "plugin.json",
      "sha256": "8509fc1929feaf87f33e3dc53e361d979da8ab2480a40c3544ef43b17c5d966d"
    },
    {
      "path": "skills/llm-from-scratch/SKILL.md",
      "sha256": "c241114523c73b7bafd0b0c4b33cdec8177b76544eb23ccdadbd4fd6f0c4047f"
    }
  ],
  "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]"
  }
}