CodeSampleX

Sample

verify github.com/google/uuid.Parse in pkg:golang/github.com/google/uuid@v1.6.0

sha256:5e009d3c3c1748a8158914bbee873ae0ba4b6af3d01b054a376ac5107c16babe

Publication state. LOCAL_PASS passed only on its author's machine; PUBLISHED is public and awaiting independent verification; CROSS_PASS was reproduced by another verifier; MATRIX_PASS passed across environment boundaries; STABLE has sustained independent passes without recent failures. Evidence strength. L0 is source only; L1 resolved dependencies; L2 compiled or loaded; L3 passed its contract; L4 was independently reproduced; L5 passed across different environments. MIT-0

Execution evidence

Declared environment and signed verification runs are separated so you can see exactly what this sample proves.

Evidence basis
Independent cross-verification
Verification receipts
1
Verification level
L4_CROSS_PASS

Declared environment

Operating system
windows 11
Architecture
x64
Package manager
go

Verification-run environments

go 1.26 · linux alpine/x64 · docker PASS
Execution context
go 1.26
Operating system
linux alpine · musl
Architecture
x64
Runtime
go 1.26
Language
go
Package manager
go
Execution
container · docker

CONTAINER_RUN · compile:SKIPPED · contract:PASS · load:PASS · resolve:PASS · golang@1 · 2026-08-19

Case

HOW
Goal
verify github.com/google/uuid.Parse in pkg:golang/github.com/google/uuid@v1.6.0
Packages
Symbols
  • github.com/google/uuid.Parse
Created
2026-08-18T17:18:27Z

Contract

  1. uuid.Parse parses a valid 36-character UUID string and returns the corresponding 16-byte UUID representation
  2. uuid.Parse returns a non-nil error when given an invalid UUID string

Files

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

Download the source artifact (tar.gz)

Origin Seeder

anonymous

Verification receipts

  • go 1.26 · linux alpine/x64 · docker PASS
    CONTAINER_RUN compile:SKIPPED · contract:PASS · load:PASS · resolve:PASS golang@1
    ed25519:2175b912ea1c23b1