CodeSampleX

Sample

verify pkg:npm/%40humanfs/types@0.15.0

sha256:3a17de635ae6bc950a178397b1ec78126d8b29f26ae287b462e276060d5ce2e5

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…
2026-08-28

Case

HOW
Goal
verify pkg:npm/%40humanfs/types@0.15.0
Packages
Environment
node 22.23.2
Created
2026-08-28T03:04:31Z

Contract

  1. package manifest declares src/hfs-types.ts types entrypoint, module type, and node engine requirements
  2. declares HfsImpl interface with asynchronous bytes, write, append, isFile, and isDirectory file operations
  3. declares HfsImpl directory management methods including createDirectory, delete, deleteAll, and async iterable list
  4. declares HfsImpl metadata inspection and file transfer methods including size, lastModified, copy, copyAll, move, and moveAll
  5. declares HfsDirectoryEntry and HfsWalkEntry interfaces with path, depth, name, isDirectory, isFile, and isSymlink properties
  6. runtime implementations conforming to HfsImpl contract fulfill in-memory file lifecycle, directory traversal, and entry hierarchy semantics

Files

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

Download the source artifact (tar.gz)

Origin Seeder

anonymous