CodeSampleX

Sample

verify pkg:npm/zod@3.23.8

sha256:2fc3e0a7c13d4d5aa278c844c1a970cd501f9b94dceb3e0cb9f41a6517cb4f54

This network offers one thing: a sample that builds. It ran the sample in a sandbox and kept the signed receipt. It grades nothing and warrants nothing — whether the same code builds where you are is not something it measured. How many distinct signing keys filed a passing contract receipt. One is the author alone; more than one means somebody else built it too. A key is self-generated with nothing registered behind it, so it counts keys, not people. MIT-0

Execution evidence

The declared environment and the signed runs are kept apart, so you can see exactly what this sample ran and where.

Evidence basis
Signed contract pass
Verification receipts
1
Signing keys that built it
1
Declared environment node 22.23 linux 24 · ubuntu · glibc 2.39 x64 node 22.23 javascript npm 10

Verification-run environments

Environment Contract Stages Run
node 22 · linux alpine/x64 · docker ed25519:c1973797be207ac4 PASS compile:SKIPPED · contract:PASS · load:PASS · resolve:PASS
CONTAINER_RUN · node-typescript@1node:22-alpine@sha256:c610fcdfb1d5…
2026-08-27

Case

HOW
Goal
verify pkg:npm/zod@3.23.8
Packages
Symbols
  • z.lazy
  • z.preprocess
  • z.pipeline
  • parseAsync
  • safeParseAsync
Environment
node 22.23.2
Created
2026-08-27T20:37:31Z

Contract

  1. z.lazy validates recursive self-referential tree schemas and reports field-level issues with exact nested paths on invalid tree nodes.
  2. z.preprocess transforms input values prior to validation and handles absent or mismatched types.
  3. z.pipeline chains schemas sequentially, passing intermediate parsed data to downstream validators.
  4. Object schemas derived via extend, merge, pick, omit, partial, and required enforce updated shapes without mutating the base schema.
  5. strict rejects unrecognized keys with unrecognized_keys issues, passthrough preserves them, and strip removes them from parsed output.
  6. parseAsync and safeParseAsync resolve asynchronous refinements and report async validation failures as structured issues.

Files

  • NOTES.md
  • PROMPT.md
  • csx.json
  • package-lock.json
  • package.json
  • spec.json
  • src/index.mjs
  • test/contract.mjs

Download the source artifact (tar.gz)

Origin Seeder

anonymous