CodeSampleX

Sample

verify pkg:npm/png-to-ico@2.1.8

sha256:864a080460dfccb4350e1972e33bc5c8fd41671d8cffaa4f4b303d8b0661773e

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 linux 24 · ubuntu · glibc 2.39 x64 npm

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 pkg:npm/png-to-ico@2.1.8
Packages
Created
2026-08-21T14:42:35Z

Contract

  1. pngToIco converts a PNG buffer into a Windows ICO format buffer with valid headers
  2. pngToIco converts a PNG image file path into a Windows ICO format buffer
  3. pngToIco converts an array of PNG images into a multi-resolution Windows ICO buffer
  4. pngToIco rejects with an error when given invalid image data or a non-existent file path

Files

  • 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