{
  "spec": "sak-package-signature/v1",
  "algorithm": "ed25519",
  "sha256": "88fbe31cfcbef5271e34112376bb341760aaf1d3c94525612033607f6e32aa00",
  "signature": "JyLwjBPvM8MFu4siXEKpWCbmY2RfBQ5NfRN86tlXLjbGeB7/nLvKGTsjh7yUMSIoxq2VbrdEYw1r2lp75WwZDQ==",
  "signing_key_id": "0aff169ecb84607d",
  "signed_at": "2026-08-24T00:18:44.326Z",
  "slug": "streaming-data",
  "version": "1.0.0",
  "filename": "streaming-data-agent-plugin.zip",
  "bytes": 3343,
  "content_digest": "31c0efd1b7330605b9ad673e4f8ce6064bc5fb64d9d7acd35bbd1891429c4985",
  "content_signature": "DknFQ2juB/WDvwvWO3p3ycRMQKHXwUKFXhMpB8DVHj7aZK9Y73axXc/bluVML5vKzWvCZN/FSXViqFHszWphAg==",
  "files": [
    {
      "path": "mcp.json",
      "sha256": "a4ec0149cccb566b6c4b6d8413290229819ff2adcfa9eb5387c3f91d31103a57"
    },
    {
      "path": "plugin.json",
      "sha256": "fc4fb12cb710599afb6f2a56628179b965eccca91e0fd9a19359e7bfa570b814"
    },
    {
      "path": "skills/streaming-data/SKILL.md",
      "sha256": "2eb94da137df8809c1b11161418f69fb8a9d0fb8ba623f329fa87f526be42e52"
    }
  ],
  "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]"
  }
}