{
  "spec": "sak-package-signature/v1",
  "algorithm": "ed25519",
  "sha256": "3f92875b8834b757c858febbd33761208b25856e4cb24295b6eb070b481590bc",
  "signature": "uRI/l2nFBtGXbvdu1nbMtRj9mmMj0PubwjsQLMokvnaADp9jzkH2ROYFz/K0W74jFvw1OgE8I4Wadd2nuLTiBw==",
  "signing_key_id": "0aff169ecb84607d",
  "signed_at": "2026-08-24T00:47:14.628Z",
  "slug": "contract-clause-extractor",
  "version": "0.1.0",
  "filename": "contract-clause-extractor-agent-plugin.zip",
  "bytes": 3411,
  "content_digest": "d18a2ee433fd9c6941246fe424a6dcfbeead93706e25fcb82b23531fe841ac43",
  "content_signature": "wVTg0WNn0Ym1XnBPS0GHkxTMCiPol55jzG6rjMlRgkdt44SLxL8UO1bKrvZfSHjGnAcESiZ9vUNlJFzke3AvBw==",
  "files": [
    {
      "path": "mcp.json",
      "sha256": "a4ec0149cccb566b6c4b6d8413290229819ff2adcfa9eb5387c3f91d31103a57"
    },
    {
      "path": "plugin.json",
      "sha256": "dd743c1fbd2c2e9bab3c4b89540761ea0595ff75ab7e1bc827d6d6f44fbf076e"
    },
    {
      "path": "skills/contract-clause-extractor/SKILL.md",
      "sha256": "b2bea01ef1240abd52996369ecc1761abf4e69b326f92d4be0978818e1345e04"
    }
  ],
  "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]"
  }
}