{
  "spec": "sak-package-signature/v1",
  "algorithm": "ed25519",
  "sha256": "34169087186630df44d9bd26681fc6e46dbac2b678a67d7af0b694e72585124e",
  "signature": "+qg/vcPeoEA9sQWClB9BkvP0p2nidySZe3kPov3uSTazL6I+xZJ9jpR6luSPDgjpAhOLDqxBxa3tH0MyuQPIDg==",
  "signing_key_id": "0aff169ecb84607d",
  "signed_at": "2026-08-23T23:43:37.461Z",
  "slug": "guardrail-biotech-biosafety",
  "version": "0.1.0",
  "filename": "guardrail-biotech-biosafety-agent-plugin.zip",
  "bytes": 3534,
  "content_digest": "3dfc9b0bbb8e636f9e2d35e4a0f9b71dacf92c9e981f2cdc162940f7b6026a9e",
  "content_signature": "R04rDCQTpQfw2mj99yk3JmqDM5WYyFJMB/UrGHPamzn9/EJz3amVPounnpsHQNutTCUHnXobppDUSInHWi4FDA==",
  "files": [
    {
      "path": "mcp.json",
      "sha256": "a4ec0149cccb566b6c4b6d8413290229819ff2adcfa9eb5387c3f91d31103a57"
    },
    {
      "path": "plugin.json",
      "sha256": "243249041dbb0f7b1db0cd09310a136c78cd6c2062be1b5c4659d44353a5dfe4"
    },
    {
      "path": "skills/guardrail-biotech-biosafety/SKILL.md",
      "sha256": "532c1b8174bdb98cb48511bee90eba26e260d3277b989aae1fa3f0970e4ee9a0"
    }
  ],
  "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]"
  }
}