{
  "spec": "sak-package-signature/v1",
  "algorithm": "ed25519",
  "sha256": "8bf5ebd802bfa6e9d70073209fb624f231a79115b2af57ab340babf9b3ef3276",
  "signature": "TZUMMG0H6z/GPFUwIa+iSlyXzBSzYnMgybsVJ1Q/Z5uokaG5VRr1kHJCY95OJA8ryBuLt1BMNfXrQluegjKjAQ==",
  "signing_key_id": "0aff169ecb84607d",
  "signed_at": "2026-08-24T01:05:43.132Z",
  "slug": "component-spec-author",
  "version": "0.1.0",
  "filename": "component-spec-author-agent-plugin.zip",
  "bytes": 3529,
  "content_digest": "30e70834882e8206045266f6708ffb6c94c88e9cf19f2646955cfdbeddd84a96",
  "content_signature": "gjvaaqKFrKxFDdWi22IzOkiihmOEozM5PIi+A6k+aUG+k903loGiO3gsF5FI2kUNtIzUKKooYbB8KAVn/kuKBw==",
  "files": [
    {
      "path": "mcp.json",
      "sha256": "a4ec0149cccb566b6c4b6d8413290229819ff2adcfa9eb5387c3f91d31103a57"
    },
    {
      "path": "plugin.json",
      "sha256": "3ccd16b75c8936a22340d22b16f000463d1739a16c1eb4332cf19bf08687cb89"
    },
    {
      "path": "skills/component-spec-author/SKILL.md",
      "sha256": "a1607a7f41d83cec4c6751b8e697819d5a5706c61b3a0f8e1cf1a1732f745bc6"
    }
  ],
  "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]"
  }
}