{
  "spec": "sak-package-signature/v1",
  "algorithm": "ed25519",
  "sha256": "d1a212925505be8c958dd10083de79d24358c0b02d4b6ce3cb0d32ed7bd16464",
  "signature": "+IW28IgwpFA+BOv2k+GtqmAc1Da3TSusMt+grytWFlp+kAyurgOEmoa3T06V/64RRKBZrfAJpHtW734S/+QMDw==",
  "signing_key_id": "0aff169ecb84607d",
  "signed_at": "2026-08-23T23:55:35.600Z",
  "slug": "competitive-teardown",
  "version": "0.1.0",
  "filename": "competitive-teardown-agent-plugin.zip",
  "bytes": 3501,
  "content_digest": "9666ac9000d09bab21143090a8c62d94d389312c43f65656be207a56b4e18857",
  "content_signature": "JA00h5/CZdY47Ex0Hkjrgr2vXcGno1ay5q4UD9kFZVwX+fUTeleG+R6n/cy0ng+WqYHYQFYSyLVe7EJTcXO7CA==",
  "files": [
    {
      "path": "mcp.json",
      "sha256": "a4ec0149cccb566b6c4b6d8413290229819ff2adcfa9eb5387c3f91d31103a57"
    },
    {
      "path": "plugin.json",
      "sha256": "571dcdb6f324367762630cd5038604418f128e1e02d6737560315f63a19bf198"
    },
    {
      "path": "skills/competitive-teardown/SKILL.md",
      "sha256": "0a60a41701df1eaae36f7f0ac4b8bead7517f07c153b55aa1b4fc4d66c642dbf"
    }
  ],
  "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]"
  }
}