{
  "spec": "sak-package-signature/v1",
  "algorithm": "ed25519",
  "sha256": "96110948ac5ebc23be42c633a94727b70bdcbda5a0135f06878f31e8aec48c6e",
  "signature": "Q55fh4Ff9w3u3iBwTv4Vo46yoc+K/M+SKefVOM2ORkwPWjNXyqroSThChzlD1AFcohvtTLkSgXHWrAZI/oBcAg==",
  "signing_key_id": "0aff169ecb84607d",
  "signed_at": "2026-08-24T01:05:43.192Z",
  "slug": "android-kotlin-patterns",
  "version": "1.0.0",
  "filename": "android-kotlin-patterns-agent-plugin.zip",
  "bytes": 3490,
  "content_digest": "3e23b1c2877127d9ae16bbeee810ed7c872e99de1de08393f8bc2a4e9c126245",
  "content_signature": "gEwQ9swPoJZQBZG2iOPMtG3Ta4aAo6a2AGTZ0/knuhHJrItjAQaK7D2Ihm2LZ69j3yID1Mdc2DcoKuHIu52fAg==",
  "files": [
    {
      "path": "mcp.json",
      "sha256": "a4ec0149cccb566b6c4b6d8413290229819ff2adcfa9eb5387c3f91d31103a57"
    },
    {
      "path": "plugin.json",
      "sha256": "9f13c95b58d8930ecaa8dad23bc05982a26d894e7f030f71aadbb6d08c914173"
    },
    {
      "path": "skills/android-kotlin-patterns/SKILL.md",
      "sha256": "9980c9c10d602449228bb00dfed9b1af7f0d0291be71b6bc364c8da7f3c77f14"
    }
  ],
  "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]"
  }
}