Sample
format UUID as URN and parse back with github.com/google/uuid
sha256:f9bf7697561d305c75a947e67f03f5f51c26592b95cd3b7d12c64a42579ae622
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
windows 11 x64 go
Verification-run environments
| Environment | Contract | Stages | Run |
|---|---|---|---|
| go 1.26 · linux alpine/x64 · docker ed25519:2175b912ea1c23b1 | PASS | compile:SKIPPED · contract:PASS · load:PASS · resolve:PASS CONTAINER_RUN · golang@1 |
2026-08-19 |
Case
HOW- Goal
- format UUID as URN and parse back with github.com/google/uuid
- Packages
- Symbols
-
- URN
- Created
- 2026-08-19T05:17:08Z
Contract
- UUID.URN formats UUID as canonical URN string with urn:uuid: prefix
- uuid.Parse parses valid urn:uuid: formatted string back to the matching UUID value
- UUID.URN formats uuid.Nil as standard nil URN string
- uuid.Parse returns a non-nil error when given an invalid URN string
Files
- PROMPT.md
- csx.json
- go.mod
- go.sum
- sample.go
- spec.json
- test/contract.go
Origin Seeder
anonymous