CodeSampleX

Sample

verify github.com/russross/blackfriday/v2.AutoHeadingIDs in pkg:golang/github.com/russross/blackfriday/v2@v2.1.0

sha256:e0a502fc162a9e90ce81f4fc81bf39b6833a21a7eabfa7c9d6cb3c6f8e0aa5a2

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/russross/blackfriday/v2.AutoHeadingIDs in pkg:golang/github.com/russross/blackfriday/v2@v2.1.0
Packages
Symbols
  • github.com/russross/blackfriday/v2.AutoHeadingIDs
Created
2026-08-21T00:13:40Z

Contract

  1. blackfriday.AutoHeadingIDs enables automatic slug-based HTML heading ID attribute generation
  2. blackfriday.AutoHeadingIDs with custom HTMLRenderer HeadingIDPrefix prefixes generated heading IDs
  3. blackfriday.New with AutoHeadingIDs populates HeadingData.HeadingID on AST Heading nodes
  4. blackfriday.AutoHeadingIDs sanitizes special characters and spaces into URL-safe kebab-case heading IDs

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