CodeSampleX

Sample

verify jest-validate.format in pkg:npm/jest-validate@29.7.0

sha256:9b63587e3e6b13097579b92215dc0f61caed757014c82fc72d193a9d764023bb

Publication state. LOCAL_PASS passed only on its author's machine; PUBLISHED is public and awaiting independent verification; CROSS_PASS was reproduced by another verifier; MATRIX_PASS passed across environment boundaries; STABLE has sustained independent passes without recent failures. Evidence strength. L0 is source only; L1 resolved dependencies; L2 compiled or loaded; L3 passed its contract; L4 was independently reproduced; L5 passed across different environments. MIT-0

Execution evidence

Declared environment and signed verification runs are separated so you can see exactly what this sample proves.

Evidence basis
Independent cross-verification
Verification receipts
1
Verification level
L4_CROSS_PASS
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@1		 2026-08-21

Case

HOW
Goal
verify jest-validate.format in pkg:npm/jest-validate@29.7.0
Packages
Symbols
  • jest-validate.format
Environment
node 22.23.2
Created
2026-08-21T04:58:34Z

Contract

  1. formatValue formats primitive values into compact string representations
  2. formatValue formats null and undefined values correctly
  3. formatValue formats plain objects and arrays with minimal whitespace
  4. formatValue converts functions into their string source representations

Files

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

Download the source artifact (tar.gz)

Origin Seeder

anonymous