{
  "spec": "sak-package-signature/v1",
  "algorithm": "ed25519",
  "sha256": "b649ea7dbed3282227be6110ddc2ec6baacdf702bf865fc149f52e0711e19c17",
  "signature": "n0M3NN5GhU4szRkVYTB0hhM2EbdcOerQYpDwuBZ5umWysVUuKvEokr02yFVwfHtefQhmhHn2tINZllbGxjpVDw==",
  "signing_key_id": "0aff169ecb84607d",
  "signed_at": "2026-08-24T01:07:30.452Z",
  "slug": "press-release-author",
  "version": "0.1.0",
  "filename": "press-release-author-agent-plugin.zip",
  "bytes": 3494,
  "content_digest": "1b67c7096c70df1100ad84c56e0c1ba73c544826e7bb657f6539c625f26e071d",
  "content_signature": "5S7vYYuObwDTFlAIDnyY4aDIcfksDMJfe1S1h5NaANPqmrLJhi88Bi/kLGYrlsgnpRI+De4y8rsZZbdHPvfNCA==",
  "files": [
    {
      "path": "mcp.json",
      "sha256": "a4ec0149cccb566b6c4b6d8413290229819ff2adcfa9eb5387c3f91d31103a57"
    },
    {
      "path": "plugin.json",
      "sha256": "830fc8e23ca039bc4c586cae028b3cce473158c18744ede3832a80928e8e4674"
    },
    {
      "path": "skills/press-release-author/SKILL.md",
      "sha256": "12b846bca427d3243c879ef739945355680292123646b2e8dce09371c72b4953"
    }
  ],
  "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]"
  }
}