{
  "spec": "sak-package-signature/v1",
  "algorithm": "ed25519",
  "sha256": "cd5ab67aaeba2f8ea6b067a6daffdbeaebbd6658ba4b752078e8d0a9b5971b15",
  "signature": "34OF1SBq8VrvG72RMpo8+ELWmSmMX7fkDHF+vglJJjMfa25Zg/LLEpINJZNlIV6fTc11+wV4qUQfkIpgsi/lDQ==",
  "signing_key_id": "0aff169ecb84607d",
  "signed_at": "2026-08-24T01:32:53.849Z",
  "slug": "pl-gtm-launch-90d",
  "version": "1.0.0",
  "filename": "pl-gtm-launch-90d-agent-plugin.zip",
  "bytes": 4262,
  "content_digest": "5c546f553da81c926f6c7e4091c718aa51c30db3dfd2d5474fd8ad24c35e7362",
  "content_signature": "IUN+NExYjpYWkqDZEOZOV9rM8EhrEhAozDTbRSX6UQm5A+rZCQGs/vd1L0vPFhuZLFnhC+JFMua3WSpBiTH3BA==",
  "files": [
    {
      "path": "mcp.json",
      "sha256": "a4ec0149cccb566b6c4b6d8413290229819ff2adcfa9eb5387c3f91d31103a57"
    },
    {
      "path": "plugin.json",
      "sha256": "0b730719ecef7a84a864c2df34f6b50d3baad643d9c995cb0d801caca85faecb"
    },
    {
      "path": "skills/pl-gtm-launch-90d/SKILL.md",
      "sha256": "0da220cbeaedbf47fe4d76c31b8dcdd8bbfb1250f4a4998694c7196a12e30d19"
    },
    {
      "path": "skills/pl-gtm-launch-90d/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]"
  }
}