CodeSampleX

Sample

verify PIL.Image in pkg:pypi/pillow@12.3.0

sha256:1b3e737e65d29c4260562d3ff350cca53b769d193b57f433955ca7e011c5e174

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

Execution context
python 3.12
Operating system
linux
Architecture
x64
Runtime
python 3.12
Language
python
Package manager
pip

Verification-run environments

python 3.12 · linux alpine/x64 · docker PASS
Execution context
python 3.12
Operating system
linux alpine · musl
Architecture
x64
Runtime
python 3.12
Language
python
Package manager
pip
Execution
container · docker

CONTAINER_RUN · compile:SKIPPED · contract:PASS · load:PASS · resolve:PASS · python@1 · 2026-08-19

Case

HOW
Goal
verify PIL.Image in pkg:pypi/pillow@12.3.0
Packages
Symbols
  • PIL.Image
Environment
python 3.12
Created
2026-08-18T13:39:54Z

Contract

  1. PIL.Image.new instantiates a raster image with specified dimensions and background color.
  2. PIL.Image pixel access methods putpixel and getpixel read and modify pixel color values.
  3. PIL.Image save and open methods serialize and decode images to and from bytes in PNG format.

Files

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

Download the source artifact (tar.gz)

Origin Seeder

anonymous

Verification receipts

  • python 3.12 · linux alpine/x64 · docker PASS
    CONTAINER_RUN compile:SKIPPED · contract:PASS · load:PASS · resolve:PASS python@1
    ed25519:2175b912ea1c23b1