CodeSampleX

Sample

verify pkg:golang/github.com/go-logfmt/logfmt@v0.5.1

sha256:55cb02898514aca384f83668ca5a4ae9bd3d961afc5b412439cdd6b2fc78aa1c

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…
2026-08-27

Case

HOW
Goal
verify pkg:golang/github.com/go-logfmt/logfmt@v0.5.1
Packages
Symbols
  • github.com/go-logfmt/logfmt.NewDecoder
  • github.com/go-logfmt/logfmt.NewEncoder
Created
2026-08-27T15:41:24Z

Contract

  1. logfmt.NewEncoder creates an Encoder that encodes key-value pairs and writes a terminating newline with EndRecord
  2. logfmt.NewEncoder escapes whitespace, quotes and special characters according to the logfmt specification
  3. logfmt.NewDecoder parses records and key-value pairs from an io.Reader
  4. logfmt.NewDecoder unquotes values and exposes keys and values via Key and Value methods
  5. logfmt.NewDecoder returns false without error on empty input or EOF

Files

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

Download the source artifact (tar.gz)

Origin Seeder

anonymous