{
  "spec": "sak-package-signature/v1",
  "algorithm": "ed25519",
  "sha256": "f0196fbf3afc504c8cfd84402eb2b63cf11a74660074d869db462c2afbe4b22a",
  "signature": "vMqVeMTTOD76vDAMq1MVs8ZDus/aYVrkDakmP8rFYZ/Gm4YlzCLYcNdwsaOwBc32HHLLBIunKulEU5BYbIbrCA==",
  "signing_key_id": "0aff169ecb84607d",
  "signed_at": "2026-08-24T02:02:52.245Z",
  "slug": "guardrail-journalism-defamation",
  "version": "0.1.0",
  "filename": "guardrail-journalism-defamation-agent-plugin.zip",
  "bytes": 3619,
  "content_digest": "44e2eaed80f090675f631a461934d079528ee8394f90ed6f0813d7656caf290e",
  "content_signature": "68rPK/CxbJEEKXmr9wa5yOrcggHSV2BljApIi/pcVWMXXmOJJFAmm2GfjLhsOfil5Cl1SCz9UTERuu1q6l5DBg==",
  "files": [
    {
      "path": "mcp.json",
      "sha256": "a4ec0149cccb566b6c4b6d8413290229819ff2adcfa9eb5387c3f91d31103a57"
    },
    {
      "path": "plugin.json",
      "sha256": "31705900dbc88df21df7ca5f70d22deab444460b4e4ac27000d65f7d1e34e26e"
    },
    {
      "path": "skills/guardrail-journalism-defamation/SKILL.md",
      "sha256": "e34edd55252941060a291156919e968b52a76c2a8a03bd77f622c3e02ee81ebb"
    }
  ],
  "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]"
  }
}