CodeSampleX

Sample

verify github.com/mitchellh/copystructure.Must in pkg:golang/github.com/mitchellh/copystructure@v1.2.0

sha256:4fbe01276e871dd98f76d959771b21a4dcdea87cae5961ccba1d045f519a7d6e

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 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@1
2026-08-21

Case

HOW
Goal
verify github.com/mitchellh/copystructure.Must in pkg:golang/github.com/mitchellh/copystructure@v1.2.0
Packages
Symbols
  • github.com/mitchellh/copystructure.Must
Created
2026-08-21T00:34:33Z

Contract

  1. copystructure.Must unwraps and returns the cloned value when error is nil
  2. copystructure.Must returns an independent deep copy whose mutations do not affect the original source
  3. copystructure.Must panics when error is non-nil
  4. copystructure.Must returns nil when the input value is nil and error is nil

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