{
  "spec": "sak-package-signature/v1",
  "algorithm": "ed25519",
  "sha256": "3bb0e72fecba48aba00c3369aa9e4db0a73cf259cf2f98ec4d1ca35061cf2cb0",
  "signature": "MsGglwDu8Aud4nQ3hkkJ2esX5eVsLL48jXYZFE52nYoasZpgsKVG5bbVwVpVmBMU2sidV81oP6pbCs3CvoQFBA==",
  "signing_key_id": "0aff169ecb84607d",
  "signed_at": "2026-08-24T01:34:45.332Z",
  "slug": "pl-mutual-action-plan",
  "version": "1.0.0",
  "filename": "pl-mutual-action-plan-agent-plugin.zip",
  "bytes": 4315,
  "content_digest": "0da864b9b3fb3dc20cdcbc0537ac4a257711b7291792923612e57e3828261932",
  "content_signature": "FQxinbqpsgoLVAaEVqbKSWrwIsMMSPdYuE403eJjjLJoJMItVAeo9rlQAUK+e82sshrRvkGxxgAJ7H6ODfleDg==",
  "files": [
    {
      "path": "mcp.json",
      "sha256": "a4ec0149cccb566b6c4b6d8413290229819ff2adcfa9eb5387c3f91d31103a57"
    },
    {
      "path": "plugin.json",
      "sha256": "4ba6ae451a25daf97345b60ab8d979e9784dac1a1c685683bf300b22d7e9c797"
    },
    {
      "path": "skills/pl-mutual-action-plan/SKILL.md",
      "sha256": "5364e754226b247cc5a7d35e7f1ace2eb67c8ff3e9ac59de7e12e514beed7945"
    },
    {
      "path": "skills/pl-mutual-action-plan/references/examples.md",
      "sha256": "9726c5def208c03bfa335e734c3c096fb0685ce89fd2097c9d2f4a4e19890e48"
    }
  ],
  "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]"
  }
}