CodeSampleX

Sample

github.com/google/uuid v1.6.0: configure and retrieve node ID for version 1 UUIDs with github.com/google/uuid SetNodeID and NodeID

Verified sample for golang github.com/google/uuid v1.6.0: configure and retrieve node ID for version 1 UUIDs with github.com/google/uuid SetNodeID and…

sha256:6287967cc055052d089e4245e2309f1b03f00e5ea1206e78216d8acbfca2d3fd

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
configure and retrieve node ID for version 1 UUIDs with github.com/google/uuid SetNodeID and NodeID
Packages
Symbols
  • github.com/google/uuid.NodeID
  • github.com/google/uuid.SetNodeID
Environment
go 1.26.5
Created
2026-08-19T07:21:12Z

Contract

  1. uuid.SetNodeID sets the 6-byte node ID and returns true for valid byte slices
  2. uuid.NodeID returns a copy of the configured 6-byte node ID
  3. uuid.SetNodeID returns false and preserves existing node ID when given less than 6 bytes
  4. uuid.NewUUID generates Version 1 UUID containing the configured node ID

Files

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

Download the source artifact (tar.gz)

Origin Seeder

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