{
  "spec": "sak-package-signature/v1",
  "algorithm": "ed25519",
  "sha256": "43b668882ce65c5bc7133b56aca5e28ffd3d71b0e9540fd90befa350878dba95",
  "signature": "Gnv7lomZo4YzrPcisPPUZk7yFYs62mS3Ym2HrD+juz3Q8YGXFoTE6M3eOP9n9YMG8T/yAEnYrn361olLsohDDw==",
  "signing_key_id": "0aff169ecb84607d",
  "signed_at": "2026-08-24T00:50:55.914Z",
  "slug": "soul-warren-buffett",
  "version": "0.1.0",
  "filename": "soul-warren-buffett-agent-plugin.zip",
  "bytes": 4071,
  "content_digest": "862b3cf4d33df98a68f624905fb3fbb22e602beab6878373696cc20f04e60e2c",
  "content_signature": "qgYwAex6/gIXj5J/ws83B5tCxTecWBatncJ7XdMivlqmH/X05mrbHuLLyXZ79fKByBcLHP71fjOO9iX7oDx5Bw==",
  "files": [
    {
      "path": "mcp.json",
      "sha256": "a4ec0149cccb566b6c4b6d8413290229819ff2adcfa9eb5387c3f91d31103a57"
    },
    {
      "path": "plugin.json",
      "sha256": "d3b27f40df51c7d38cdcc7483b76482de83b128f3edbd21c4cfb17be8a4a7152"
    },
    {
      "path": "skills/soul-warren-buffett/SKILL.md",
      "sha256": "ddd5922cdce62d646a8b07ef78e9ae3de1824496c9648cc08d69e4ab20b19261"
    }
  ],
  "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]"
  }
}