{
  "spec": "sak-package-signature/v1",
  "algorithm": "ed25519",
  "sha256": "61258a3c9b0bf0044ef1f4c9d7cb1820dcf78c8406fdaf2ded25330621950f95",
  "signature": "t7mYTkL0GXTTP3KoaiMwEa3wwU/kBptvVBHTec1BzkL2bv70o1w+m5PUlSU6gRaqG1xwCXapLS5D3ucWO+BvAg==",
  "signing_key_id": "0aff169ecb84607d",
  "signed_at": "2026-08-24T00:41:23.370Z",
  "slug": "nextjs-patterns",
  "version": "1.0.0",
  "filename": "nextjs-patterns-agent-plugin.zip",
  "bytes": 3485,
  "content_digest": "87474ec631a676109d19433ea835e53ddd5569f01ec8a3a2fefa8e86ef408df7",
  "content_signature": "ih/QTlazj+7MgHRxjFq5mOGBbBqR53rvPIUiKCEml8j4peafUerjNHmPxvoScUNwL/kYsv70t2n3TGpIrn39CQ==",
  "files": [
    {
      "path": "mcp.json",
      "sha256": "a4ec0149cccb566b6c4b6d8413290229819ff2adcfa9eb5387c3f91d31103a57"
    },
    {
      "path": "plugin.json",
      "sha256": "05bba0834ab7ec25afe6b6930edcf1bd3d463d155e62c659555867c97bcd1a5c"
    },
    {
      "path": "skills/nextjs-patterns/SKILL.md",
      "sha256": "dcaf5c2bb208c085b86c86561d5153ac2ee5eae801cac2775d31bda7a5a7c7dc"
    }
  ],
  "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]"
  }
}