{
  "spec": "sak-package-signature/v1",
  "algorithm": "ed25519",
  "sha256": "d864d673f92860ea0231b814462e8e1a29b41bc43a1646142ed0b5e293e68c1d",
  "signature": "NjYsFsRxpp5ags8KrV36TpruJ4uVbeRmmCHXdmB8B3xLj/zpUOvoVpdNa2XgtDwIHVaixPbkFWZQ47o2mO/2Aw==",
  "signing_key_id": "0aff169ecb84607d",
  "signed_at": "2026-08-24T01:07:37.233Z",
  "slug": "comp-band-builder",
  "version": "0.1.0",
  "filename": "comp-band-builder-agent-plugin.zip",
  "bytes": 3461,
  "content_digest": "0d32b6bd60ec81da6e9109e9b773ad48c9708fb4a1a3413b94d885fe5988e2bc",
  "content_signature": "03jfo8bW9RFgcGHAvvzWPELkYI0J68KVsFVtr5jKqHxfkoO0EnJrzi1VxdUd3l+BGldM3vWsxhwYEfP3XeNVDQ==",
  "files": [
    {
      "path": "mcp.json",
      "sha256": "a4ec0149cccb566b6c4b6d8413290229819ff2adcfa9eb5387c3f91d31103a57"
    },
    {
      "path": "plugin.json",
      "sha256": "2d4c7dfcfd844410a26ca9cc3a6e25ba273ed5455a241b5deaa9fdad31482640"
    },
    {
      "path": "skills/comp-band-builder/SKILL.md",
      "sha256": "284e9b3c37e4884037045403a282896820d27d9f83b860c1a48e14db2ead5918"
    }
  ],
  "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]"
  }
}