{
  "spec": "sak-package-signature/v1",
  "algorithm": "ed25519",
  "sha256": "d7afbbd85a2d94ba4c5c6c4dc91308ecafc528924c8c87efd5bf340628bd0cc8",
  "signature": "TOFUUPu/DsTiRaYAuyLOAyuDiIN2TaEDfxuq0XelSi/cEVerbB1WKytYN30eHGJCt+QwyrE7R67/j8dqwxWhCw==",
  "signing_key_id": "0aff169ecb84607d",
  "signed_at": "2026-08-23T23:29:33.534Z",
  "slug": "od-ad-creative",
  "version": "0.1.0",
  "filename": "od-ad-creative-agent-plugin.zip",
  "bytes": 4425,
  "content_digest": "742e411c7f19a028437746c8c12b1914cc0d8ea35bc81965e22003102715da47",
  "content_signature": "kW+lq4UnZjB5bjCRNaUG98MkSAlkTX29wN5Y8sSTGzjcZ7EV1aVPJAlkAXGnWfNiti0YgD7edM1PJutXV7CRDg==",
  "files": [
    {
      "path": "mcp.json",
      "sha256": "a4ec0149cccb566b6c4b6d8413290229819ff2adcfa9eb5387c3f91d31103a57"
    },
    {
      "path": "plugin.json",
      "sha256": "d1c047e3d58e83ab6765b03c8b0e6442237109874055b8867df273b3867a5380"
    },
    {
      "path": "skills/od-ad-creative/SKILL.md",
      "sha256": "fa15f31b5b3005e65d6286b5c86e553eb2a771a4ec97064a174d4b7d7ae84e54"
    },
    {
      "path": "skills/od-ad-creative/references/examples.md",
      "sha256": "45f1c39f84eb6e054b859464793d44f98fab5548ff3b436d693ea06bd6b654c3"
    }
  ],
  "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]"
  }
}