{
  "spec": "sak-package-signature/v1",
  "algorithm": "ed25519",
  "sha256": "b9f0aaaf83b48e12be563951937cd3eb898082779fa318bb07981ffc3920e848",
  "signature": "iu2OUmLwKBzGiS0lu7+8vN7KZBX8Om8lxH7UOfgsKzRcbBgwl+zU7XaLz3mF1c5yjU3qd0E4ioDFo9hBjUN+AA==",
  "signing_key_id": "0aff169ecb84607d",
  "signed_at": "2026-08-23T23:53:42.371Z",
  "slug": "ar-collections-agent",
  "version": "0.1.0",
  "filename": "ar-collections-agent-agent-plugin.zip",
  "bytes": 3520,
  "content_digest": "ee2f857a7e0dee5afba357c9d6631436509b2854bac3e1635ad73db4b09a02e8",
  "content_signature": "MOWJy/hxojIIq38IoGYKk/jMTJ5XJEue+MB3QP5qPC9XvIRoFFL0WNfTU678Sk83IvWLoXM4kkj/FBYUZ5PIDQ==",
  "files": [
    {
      "path": "mcp.json",
      "sha256": "a4ec0149cccb566b6c4b6d8413290229819ff2adcfa9eb5387c3f91d31103a57"
    },
    {
      "path": "plugin.json",
      "sha256": "374666006c27b053cba3755bcd289d8e1ca2ac95330e50653904491de8ab4018"
    },
    {
      "path": "skills/ar-collections-agent/SKILL.md",
      "sha256": "4debb27aa5cf6f59ca23ea38bccbc0b65d394494a65e025dfe7b93c7dbecbb69"
    }
  ],
  "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]"
  }
}