Sample
validate, escape, split, and match module paths and versions with module package
sha256:e19c1d7b1935bdff7f9b6d755e461bdda0e956ae9d2430301c89ca7888189d56
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
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@1golang:1.26-alpine@sha256:28d89ee9cc0f… |
2026-08-28 |
Case
HOW- Goal
- validate, escape, split, and match module paths and versions with module package
- Packages
- Symbols
-
- golang.org/x/mod/module.Check
- golang.org/x/mod/module.CheckPath
- golang.org/x/mod/module.EscapePath
- golang.org/x/mod/module.EscapeVersion
- golang.org/x/mod/module.MatchPathMajor
- golang.org/x/mod/module.Sort
- golang.org/x/mod/module.SplitPathVersion
- Created
- 2026-08-28T09:07:40Z
Contract
- module.CheckPath validates well-formed module paths and rejects invalid paths such as empty, leading or trailing slashes, and relative elements
- module.Check validates module path and version pair requiring valid path and semantic version
- module.EscapePath encodes uppercase letters into exclamation marks followed by lowercase for case-insensitive file systems
- module.EscapeVersion encodes uppercase characters in version strings and rejects disallowed version strings
- module.SplitPathVersion splits a module path into path prefix and major version suffix
- module.MatchPathMajor reports whether a semantic version matches the path major suffix
- module.Sort sorts a slice of module.Version in ascending order by Path then Version
Files
- PROMPT.md
- csx.json
- go.mod
- go.sum
- main.go
- spec.json
- test/contract.go
Origin Seeder
anonymous