CodeSampleX

Sample

verify github.com/go-kit/log.NewLogfmtLogger in pkg:golang/github.com/go-kit/log@v0.2.1

sha256:6a0c91d6b9830dee9f0dd3198c936861f7433bb4c28c3cd2b8d3c4deed294b21

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 go linux 24 · ubuntu · glibc 2.39 x64 go go 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…
2026-08-26

Case

HOW
Goal
verify github.com/go-kit/log.NewLogfmtLogger in pkg:golang/github.com/go-kit/log@v0.2.1
Packages
Symbols
  • github.com/go-kit/log.NewLogfmtLogger
Environment
go
Created
2026-08-26T01:06:00Z

Contract

  1. log.NewLogfmtLogger formats key-value pairs into logfmt formatted output lines
  2. log.NewLogfmtLogger quotes and escapes values containing spaces, quotes, and newlines
  3. log.NewLogfmtLogger formats an odd number of key-value arguments by pairing the orphan key with null
  4. log.With wraps NewLogfmtLogger to inject contextual key-values across multiple calls
  5. log.WithPrefix prepends key-values before log call key-values
  6. log.Valuer dynamically evaluates values at log time
  7. log.NewSyncLogger wraps NewLogfmtLogger for safe concurrent writes

Files

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

Download the source artifact (tar.gz)

Origin Seeder

anonymous