CodeSampleX

Sample

verify pkg:golang/go.opentelemetry.io/otel@v1.30.0

sha256:fad3fe46e83ad898a878de2810c2bc340c0ed6b93fcd5e70d82fc39fbfdfc64d

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

Execution context
go 1.26
Operating system
linux
Architecture
x64
Runtime
go 1.26
Language
go
Package manager
gomod

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
gomod
Execution
container · docker

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

Case

HOW
Goal
verify pkg:golang/go.opentelemetry.io/otel@v1.30.0
Packages
Symbols
  • otel.SetTracerProvider
  • otel.Tracer
  • trace.Tracer.Start
  • trace.Span.AddEvent
  • attribute.String
  • attribute.Int
Environment
go 1.26
Created
2026-08-18T13:20:20Z

Contract

  1. assert TracerProvider configures an in-memory span exporter
  2. assert Tracer creates spans with span kind and custom attributes
  3. assert child span inherits trace ID and references parent span ID via Context
  4. assert AddEvent records structured events on active spans

Files

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