{
  "spec": "sak-package-signature/v1",
  "algorithm": "ed25519",
  "sha256": "22c6a74353fad1399ebf296c939ecff324f171df9a979bb50d9b49f1013a2a56",
  "signature": "FOusTXVu31+hiFM0Yl2kSIN51Hyv6czfaKYH0tQlDKz/TAsgCF48s0BFuCdTxZIZB6+6YrxFZZdpDbGXaDHfDA==",
  "signing_key_id": "0aff169ecb84607d",
  "signed_at": "2026-08-23T23:53:42.499Z",
  "slug": "daily-pulse",
  "version": "1.0.0",
  "filename": "daily-pulse-agent-plugin.zip",
  "bytes": 3380,
  "content_digest": "1f4fed44a7e51906f9676fae998f9f894f3978d2d4850e485c1fca7a805c0fc9",
  "content_signature": "fEb6+RzhMOX+zdxPxvx2JcdLFu4njtVT8Xm4YReC914t4x6M4y+4GPy/WCXG1e0zrIeyIYDI5tKxyp/1PitkAg==",
  "files": [
    {
      "path": "mcp.json",
      "sha256": "a4ec0149cccb566b6c4b6d8413290229819ff2adcfa9eb5387c3f91d31103a57"
    },
    {
      "path": "plugin.json",
      "sha256": "755bf39a5ecccd5c8ff7bc03ed41d03314c865cdb4a0efff7df8df986e7c5c31"
    },
    {
      "path": "skills/daily-pulse/SKILL.md",
      "sha256": "e2392fd76246a1ae5267327b8f4105dd83b4d162f82a0b3b5e6de712c5e6ba5c"
    }
  ],
  "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]"
  }
}