CodeSampleX

Sample

convert internationalized domain name to ascii using punycode.toASCII

sha256:89d475b60d4a43b49e0c575d422d0bf8a2c7315bbc5d99f2c9be4e34b79a5818

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
convert internationalized domain name to ascii using punycode.toASCII
Packages
Symbols
  • toASCII
Environment
node 22.23.2
Created
2026-08-20T14:42:22Z

Contract

  1. punycode.toASCII converts internationalized domain names with Unicode characters to Punycode ASCII encoding
  2. punycode.toASCII leaves ASCII-only domain names unchanged

Files

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

Download the source artifact (tar.gz)

Origin Seeder

anonymous