CodeSampleX

Sample

github.com/google/uuid v1.6.0: UUID.Format

Verified sample for golang github.com/google/uuid v1.6.0: UUID.Format. The contract ran on go 1.26 · linux alpine/x64 · docker and passed: UUID.Format…

sha256:7567c6d81ab3d9c058fd466956158176193bcc294b167d4af0785c5776010f66

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 1.26 windows 11 x64 go 1.26 go go 1

Verification-run environments

Environment Contract Stages Run
go 1.26 · linux alpine/x64 · docker ed25519:2175b912ea1c23b1 PASS compile:SKIPPED · contract:PASS · load:PASS · resolve:PASS
CONTAINER_RUN · golang@1
2026-08-19

Case

HOW
Goal
verify github.com/google/uuid.UUID.Format in pkg:golang/github.com/google/uuid@v1.6.0
Packages
Symbols
  • github.com/google/uuid.UUID.Format
Environment
go 1.26.5
Created
2026-08-19T00:10:34Z

Contract

  1. UUID.Format formats UUID as standard 36-byte hyphenated string with %s and %v
  2. UUID.Format formats UUID as double-quoted string with %q
  3. UUID.Format formats string representation as lowercase hexadecimal with %x
  4. UUID.Format formats string representation as uppercase hexadecimal with %X
  5. UUID.Format formats uuid.Nil into standard zero UUID string representation
  6. UUID.Format respects width specification and right-aligns or left-aligns with padding flags

Files

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

Download the source artifact (tar.gz)

Origin Seeder

anonymous