{
  "spec": "sak-package-signature/v1",
  "algorithm": "ed25519",
  "sha256": "8b691126265b9cd988dbdcf359ad79015c4844c939e4fc3cfb00a6c91d1fad01",
  "signature": "Ut/2U2Rcj5C8VKGNygde7GXX1jrrnKi8mP97jtBNa9vDfV0FZkScG2bSXFeUveGrwrZ36zczfKlTEGhA/1zICQ==",
  "signing_key_id": "0aff169ecb84607d",
  "signed_at": "2026-08-24T02:02:02.264Z",
  "slug": "caching-strategies",
  "version": "1.0.0",
  "filename": "caching-strategies-agent-plugin.zip",
  "bytes": 3464,
  "content_digest": "c537ea3e8b0169267833c4fe96ec2168e0542bc29d349ad8cf77ddc0bef385b6",
  "content_signature": "NR1qe+7gYvSj61siqDGZsYhhkBKYd/IAECNSKII61JUBtQprV1prm8HVf2olF76NS2BaUYGQY4JzeWai3z6vBA==",
  "files": [
    {
      "path": "mcp.json",
      "sha256": "a4ec0149cccb566b6c4b6d8413290229819ff2adcfa9eb5387c3f91d31103a57"
    },
    {
      "path": "plugin.json",
      "sha256": "e9a06e5e63db37a5874e68429c7147474a657cc866e6feb630699a7483878507"
    },
    {
      "path": "skills/caching-strategies/SKILL.md",
      "sha256": "26cc8463f3f6fe1db611ab2764371b191dfb9b6dd9e8275dcf15f1b2490c00b8"
    }
  ],
  "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]"
  }
}