CodeSampleX

Sample

verify pkg:pypi/charset-normalizer@3.4.7

sha256:1138b526fd037ae1e2e129c918b740d1eb018eb461a65a7c6c87eefcdcdfe826

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 python 3.12 linux 24 · alpine · musl 1.2 x64 python 3.12 python pip

Verification-run environments

Environment Contract Stages Run
python 3.12 · linux alpine/x64 · docker ed25519:c1973797be207ac4 PASS compile:SKIPPED · contract:PASS · load:PASS · resolve:PASS
CONTAINER_RUN · python@1
2026-08-20

Case

HOW
Goal
verify pkg:pypi/charset-normalizer@3.4.7
Packages
Symbols
  • from_bytes
Environment
python 3.12
Created
2026-08-20T21:45:53Z

Contract

  1. charset_normalizer.from_bytes(data) detects encoding from raw byte sequences
  2. matches.best() returns the highest-scoring CharsetMatch object
  3. best.encoding provides the normalized encoding identifier
  4. str(best) provides the decoded unicode string

Files

  • PROMPT.md
  • csx.json
  • requirements.txt
  • spec.json
  • src/detector.py
  • test/contract.py

Download the source artifact (tar.gz)

Origin Seeder

anonymous