{
  "spec": "sak-package-signature/v1",
  "algorithm": "ed25519",
  "sha256": "5a74b1c9e449fa3959c73702e46b27b46265ac0662edeb52e7bb5ae4e98f8e7c",
  "signature": "UUxVWHenaWnzxaCoQS4HRoIbbZ+3YxJCRfQTHZsRl9yKDBHcVFgw/1bh0JsIMCHeObC738A2/oxfGIRir0YIDA==",
  "signing_key_id": "0aff169ecb84607d",
  "signed_at": "2026-10-08T16:24:34.649Z",
  "slug": "linear-pm",
  "version": "0.1.0",
  "filename": "linear-pm-agent-plugin.zip",
  "bytes": 3132,
  "content_digest": "19eef4b42c8ca0c70063fad83681917556b9c78dd867daf9c02dc67f034dc135",
  "content_signature": "LxvKCmCwXTyTrH/Cv8YfVHnat+6OiIYcwYTpJEZ8jiZp12Dxy27wp9izh3XR5Mm7hfGh99EdQr3iCvNCPWT/AQ==",
  "files": [
    {
      "path": "mcp.json",
      "sha256": "a4ec0149cccb566b6c4b6d8413290229819ff2adcfa9eb5387c3f91d31103a57"
    },
    {
      "path": "plugin.json",
      "sha256": "b5e7cfcfb7f3857f53e472f74bdf8515ec058d4936787b38c936cad298bb3057"
    },
    {
      "path": "skills/linear-pm/SKILL.md",
      "sha256": "4fefcad2dc48802334a8660b7b8b9729a8c1079a2411714b8fe08fc9d38e14f6"
    }
  ],
  "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]"
  }
}