{
  "spec": "sak-package-signature/v1",
  "algorithm": "ed25519",
  "sha256": "7ce9ab7f1163daf720f3df0a2d53006ebf0ced9282344f3def21359ff7911d07",
  "signature": "y3hRpNvdt3LmSW7L40MWEKYhfKj3y0bH2Rwnz4tUqAOk4DLRzLfxfASLsHo3pjKx3SrWTMYZ61ccCKcqTEhsBg==",
  "signing_key_id": "0aff169ecb84607d",
  "signed_at": "2026-08-24T02:02:18.586Z",
  "slug": "od-color-expert",
  "version": "0.1.0",
  "filename": "od-color-expert-agent-plugin.zip",
  "bytes": 4529,
  "content_digest": "92d0792262f4c9e05e91360ede48d5e52c57bc8afdda4b41e42ad09cebe4c3fb",
  "content_signature": "wCZpd4hw+/7C7DD1IUWbLtrC2mtg76vInaQrXoe7COWLh6PVQ8F/UzNnlL4sloRjw01qPeZplrleK62U2kcjCw==",
  "files": [
    {
      "path": "mcp.json",
      "sha256": "a4ec0149cccb566b6c4b6d8413290229819ff2adcfa9eb5387c3f91d31103a57"
    },
    {
      "path": "plugin.json",
      "sha256": "e8eb7ec1ebc12632205d5ccdab0fe81febc9c0efe9938771f04065828ef508f5"
    },
    {
      "path": "skills/od-color-expert/SKILL.md",
      "sha256": "cff39ed34aa28a86971b9c40ab583060486579a3b05652f52718bb5be2f2a9c1"
    },
    {
      "path": "skills/od-color-expert/references/examples.md",
      "sha256": "5072e978388875c5626bdaa63c3f10c21d91791c0fe37a8fef2c83da078f0351"
    }
  ],
  "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]"
  }
}