{
  "spec": "sak-package-signature/v1",
  "algorithm": "ed25519",
  "sha256": "4d34970958620d1b06d729440538a8072f957938d1587f3077cf42c147c11812",
  "signature": "waMLWzR+ddwOYZVw+0VcAbekppV5QhXwLNHDf+h6AwNJXX3GoABTDwtDcv1n51A8CosDzKrKiw/cBP4SsRKMAQ==",
  "signing_key_id": "0aff169ecb84607d",
  "signed_at": "2026-08-23T23:55:25.562Z",
  "slug": "icon-system-curator",
  "version": "0.1.0",
  "filename": "icon-system-curator-agent-plugin.zip",
  "bytes": 3517,
  "content_digest": "87b0dde5e97d85f136f32fad1a448ad6f7fccb664daff82df9a14a8ca92432a7",
  "content_signature": "ZUWxNAClVXFJaGRgaInTVFpH7FvkR5KV9PwQRT2A117+89NWZsYSG+yIXD8zwQvGlCYM5IztWo4lTwsTRDsWAg==",
  "files": [
    {
      "path": "mcp.json",
      "sha256": "a4ec0149cccb566b6c4b6d8413290229819ff2adcfa9eb5387c3f91d31103a57"
    },
    {
      "path": "plugin.json",
      "sha256": "d6360938db98fa48468075aa3dc17eebe2a17dc896195964b0a64aaa6f138497"
    },
    {
      "path": "skills/icon-system-curator/SKILL.md",
      "sha256": "28954c8581a133bed98a2648e15acdac5a9e37e8d7f108e7ce4ceb08fd6c397b"
    }
  ],
  "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]"
  }
}