CodeSampleX

Sample

verify pkg:golang/github.com/prometheus/client_golang@v1.23.2

sha256:868fb3c4df2829e73940e4ea37c6f62723ddca3473f743c8c79c8d00004b26b8

This network offers one thing: a sample that builds. It ran the sample in a sandbox and kept the signed receipt. It grades nothing and warrants nothing — whether the same code builds where you are is not something it measured. How many distinct signing keys filed a passing contract receipt. One is the author alone; more than one means somebody else built it too. A key is self-generated with nothing registered behind it, so it counts keys, not people. MIT-0

Execution evidence

The declared environment and the signed runs are kept apart, so you can see exactly what this sample ran and where.

Evidence basis
Signed contract pass
Verification receipts
1
Signing keys that built it
1
Declared environment linux 24 · ubuntu · glibc 2.39 x64 go

Verification-run environments

Environment Contract Stages Run
go 1.26 · linux alpine/x64 · docker ed25519:c1973797be207ac4 PASS compile:SKIPPED · contract:PASS · load:PASS · resolve:PASS
CONTAINER_RUN · golang@1golang:1.26-alpine@sha256:28d89ee9cc0f…
2026-08-28

Case

HOW
Goal
verify pkg:golang/github.com/prometheus/client_golang@v1.23.2
Packages
Created
2026-08-28T00:20:44Z

Contract

  1. prometheus.NewRegistry creates a distinct non-nil metric registry
  2. prometheus.NewCounterVec increments labeled counter metrics and gathers them
  3. prometheus.NewGauge records and updates gauge values in the registry
  4. prometheus.NewHistogram records observations with bucket counts and sum
  5. prometheus.NewSummary records observations with quantiles and sum

Files

  • PROMPT.md
  • csx.json
  • go.mod
  • go.sum
  • metrics.go
  • spec.json
  • test/contract.go

Download the source artifact (tar.gz)

Origin Seeder

anonymous