{
  "spec": "sak-package-signature/v1",
  "algorithm": "ed25519",
  "sha256": "11442cfe4b65fd7cecf7319ea4848318dfefa0c1e66cc9fc7be1c27956430eff",
  "signature": "hn/HLaPpoFfZXyY4nQNPeRftfFq22b+5CCn6iWHSz2HBdyazZpO3+GAhQGPL1yIyfxnD4vvRAIo90H5/kgOGBw==",
  "signing_key_id": "0aff169ecb84607d",
  "signed_at": "2026-08-24T00:50:45.587Z",
  "slug": "clinical-trial-matcher",
  "version": "0.1.0",
  "filename": "clinical-trial-matcher-agent-plugin.zip",
  "bytes": 3575,
  "content_digest": "6224687de1c8f497988b9d67af5d1985ef7a78812c3404a79b8db6fd5287ff33",
  "content_signature": "3tCKZeOvb/ILZXc7hj0or/aS5Z3VNAsiJX0pEOd2Q0B9C2pU1kvZNg7CwWVq3Z9656kJJ/NOBC5QgRmWhbJLBg==",
  "files": [
    {
      "path": "mcp.json",
      "sha256": "a4ec0149cccb566b6c4b6d8413290229819ff2adcfa9eb5387c3f91d31103a57"
    },
    {
      "path": "plugin.json",
      "sha256": "40822458a5b48f54e725b0eb79affca8ffb196459839b79589899edf2fb63031"
    },
    {
      "path": "skills/clinical-trial-matcher/SKILL.md",
      "sha256": "d4c9c5dbc0838dc7435d289df1abbb107283fdcd14e4f2dc6c39027313b25627"
    }
  ],
  "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]"
  }
}