CodeSampleX

Sample

verify pkg:npm/%40types/ws@8.18.1

sha256:cc27409ca42f0f8d34a2ca06f17da15cfde7406c08e773b9b589f58af370fc15

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
2026-08-20

Case

HOW
Goal
verify pkg:npm/%40types/ws@8.18.1
Packages
Environment
node 22.23.2
Created
2026-08-20T14:23:09Z

Contract

  1. package manifest specifies index.d.ts and index.d.mts type declarations for CommonJS and ESM
  2. declares WebSocket client class with readyState constants and lifecycle event listeners
  3. declares WebSocket client methods for send, ping, pong, close, pause, and resume
  4. declares WebSocketServer and Server class with address, close, and handleUpgrade methods
  5. declares createWebSocketStream utility for duplex stream wrapping
  6. declares type definitions for RawData, Data, ClientOptions, ServerOptions, and event maps

Files

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

Download the source artifact (tar.gz)

Origin Seeder

anonymous