{
  "spec": "sak-package-signature/v1",
  "algorithm": "ed25519",
  "sha256": "ea9789d1d3da778b54940cefdb28bfa62c1784ef88dd011c3a9e37d83f2ff327",
  "signature": "ShlXV8LmGVJrJFPZA9UNJ4kzc34ok37s5+uvk7C7XqZtIdUUBeiMcj1YZ+PSitpd8SFKq8R+9Gby/4n3IkueAw==",
  "signing_key_id": "0aff169ecb84607d",
  "signed_at": "2026-08-23T23:34:05.904Z",
  "slug": "git-workflow",
  "version": "1.0.0",
  "filename": "git-workflow-agent-plugin.zip",
  "bytes": 3989,
  "content_digest": "40f8ed474c9bd919c1ed1670c4871991b259df2fcd55683368d98d87c7fb2b33",
  "content_signature": "YsrMzkRy6W17CUx1sFh7bwgd2xC37/6B+RrM94RpwpU0BNXzMcd7kOF/qGDnrQhdVtAElFb+IFVVceg8v4tQBg==",
  "files": [
    {
      "path": "mcp.json",
      "sha256": "a4ec0149cccb566b6c4b6d8413290229819ff2adcfa9eb5387c3f91d31103a57"
    },
    {
      "path": "plugin.json",
      "sha256": "b3c794e5afde08e093bdc9c2aee607a986eb2e44bf0565b20c64c1292a0bb45d"
    },
    {
      "path": "skills/git-workflow/SKILL.md",
      "sha256": "a47831e9e47c3817fff53b7e3d2c00c1121d28e75ea9e599ed142d773a5c149b"
    }
  ],
  "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]"
  }
}