Sample
verify pkg:pypi/starlette@1.4.1
sha256:274675371d4f4935484fc29f49687bf8d3c4629849dbc33d5c684c47f06e0881
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 linux 24 · ubuntu · glibc 2.39 x64 python python pip
Verification-run environments
| Environment | Contract | Stages | Run |
|---|---|---|---|
| python 3.12 · linux alpine/x64 · docker ed25519:2175b912ea1c23b1 | PASS | compile:SKIPPED · contract:PASS · load:PASS · resolve:PASS CONTAINER_RUN · python@1 |
2026-08-20 |
Case
HOW- Goal
- verify pkg:pypi/starlette@1.4.1
- Packages
- Symbols
-
- starlette.middleware.base.BaseHTTPMiddleware
- starlette.middleware.Middleware
- Environment
- python
- Created
- 2026-08-20T03:04:55Z
Contract
- BaseHTTPMiddleware intercepts incoming HTTP requests and appends custom response headers
- BaseHTTPMiddleware inspects incoming request headers and modifies outgoing responses
Files
- PROMPT.md
- csx.json
- requirements.txt
- sample.py
- spec.json
- test/contract.py
Origin Seeder
anonymous