{
  "spec": "sak-package-signature/v1",
  "algorithm": "ed25519",
  "sha256": "f3c943bdfb87456aa7781ed88820a1541a1cf2d043d94fbc2808e69e5346bea2",
  "signature": "gM9FUxif3CbmdAf1R/YXcL24VgDEYSbYH1PxGZW1mKYMRdOfIsoAixCf06/0s3GLYzWyb2G1VBZTW9awRylUDg==",
  "signing_key_id": "0aff169ecb84607d",
  "signed_at": "2026-10-08T16:25:44.602Z",
  "slug": "learning-path-designer",
  "version": "0.1.0",
  "filename": "learning-path-designer-agent-plugin.zip",
  "bytes": 3506,
  "content_digest": "9163692c6992ae1714bbbe586f1d020b5c6434690e2319fcb2b1e4f07f4c055f",
  "content_signature": "nb+2UY6oeXTC33g1rsXXMqia1HAP7rCfwmFCSUzW02TQLRx7CMYrR3xg6cxYyQbXHY1/k+fhbfWtkpXzkDihAw==",
  "files": [
    {
      "path": "mcp.json",
      "sha256": "a4ec0149cccb566b6c4b6d8413290229819ff2adcfa9eb5387c3f91d31103a57"
    },
    {
      "path": "plugin.json",
      "sha256": "44768fa4930954c14be38ea1739fce9fccb15e76957c7a25b19db902a29654e8"
    },
    {
      "path": "skills/learning-path-designer/SKILL.md",
      "sha256": "bc51ed3ef3b0a45c37f570181365fd64c4d1fa2cf5b076b72dfa6255b1c05880"
    }
  ],
  "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]"
  }
}