{
  "spec": "sak-package-signature/v1",
  "algorithm": "ed25519",
  "sha256": "6d4239fe3796a1d914149590759978cda11a4776c00dcbfc2aa453f1a70bd3f4",
  "signature": "4JfLtacPB1FiRzS1RXdNBKQbiC3CvREzd6njBiTGdeFF2lwQWmv3YHddSqDpowrGrCZ90BxnHYalWsPLx/h4CA==",
  "signing_key_id": "0aff169ecb84607d",
  "signed_at": "2026-08-24T00:29:30.405Z",
  "slug": "pl-renewal-expansion",
  "version": "1.0.0",
  "filename": "pl-renewal-expansion-agent-plugin.zip",
  "bytes": 4213,
  "content_digest": "798d37a60d2a1b17d642d006062a7af8b9fe7fc183fadabc99f4a0dc94119f7a",
  "content_signature": "dxMcS7LjLmzLOKGAPXM1TTkOo5miTeyttDvDJvVB4UWi953iUH1kYFXSuw516Ql/kMfDocntL55jH9Z52FcnBg==",
  "files": [
    {
      "path": "mcp.json",
      "sha256": "a4ec0149cccb566b6c4b6d8413290229819ff2adcfa9eb5387c3f91d31103a57"
    },
    {
      "path": "plugin.json",
      "sha256": "8126bb9072ff233cb256e16301c7d113d7476a79055a254bc37dbf0fbddc09c5"
    },
    {
      "path": "skills/pl-renewal-expansion/SKILL.md",
      "sha256": "db740fb35cab17ef1ebffe717642078d96ff36d231de5eb03dd46607bf6b544d"
    },
    {
      "path": "skills/pl-renewal-expansion/references/examples.md",
      "sha256": "9726c5def208c03bfa335e734c3c096fb0685ce89fd2097c9d2f4a4e19890e48"
    }
  ],
  "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]"
  }
}