{
  "spec": "sak-package-signature/v1",
  "algorithm": "ed25519",
  "sha256": "5caed607cb62c880e4fb32f1f835d529b5d58895b99ac3d0ff3186136609941f",
  "signature": "tcggPwxVgxtG9L9a8u8vpGsbH5IcerjZOlwqb1ZOaq1/RGguxecOoeYjCz2kXyvgy0K9TL/Sl+TW3lj//TRoCg==",
  "signing_key_id": "0aff169ecb84607d",
  "signed_at": "2026-08-24T02:03:31.144Z",
  "slug": "od-marketing-psychology",
  "version": "0.1.0",
  "filename": "od-marketing-psychology-agent-plugin.zip",
  "bytes": 4485,
  "content_digest": "6758cd489f3f8f57bcfcd2d2ca3a81d053a3e85006274366f1b945c1ea20e3d1",
  "content_signature": "HJP1DP06djFj+ney+htexMfzmvIM/Gxxq7jpkT7Hz3g+5+E6yUcnX8bSxtk6E/nxPf62p5OAXJsCuJ4eGuTWAA==",
  "files": [
    {
      "path": "mcp.json",
      "sha256": "a4ec0149cccb566b6c4b6d8413290229819ff2adcfa9eb5387c3f91d31103a57"
    },
    {
      "path": "plugin.json",
      "sha256": "3913b652f3f191737a85e00e5969eaaf9a1be925a0032fbf558fd545d5aede98"
    },
    {
      "path": "skills/od-marketing-psychology/SKILL.md",
      "sha256": "ef443dc0ba8354752423f2e55ed0f7961d63fabbb1e1cfd7b9e1bfd4d6786d35"
    },
    {
      "path": "skills/od-marketing-psychology/references/examples.md",
      "sha256": "ae90f4e4efd132c9909a61a6232dc03a35fd37a87110613672a8ebda2623b1c1"
    }
  ],
  "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]"
  }
}