Sample
Handle nullable database and JSON UUID values with uuid.NullUUID in google/uuid v1.6.0
sha256:53087a733b6f5edec7b5844c167e2fe5a9dd63ab1aa08ad893515a9824ab493b
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 wsl
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
- Handle nullable database and JSON UUID values with uuid.NullUUID in google/uuid v1.6.0
- Packages
- Symbols
-
- uuid.NullUUID
- Created
- 2026-08-18T19:15:11Z
Contract
- assert NullUUID with Valid false marshals to JSON null and returns nil driver.Value
- assert NullUUID with Valid true marshals to quoted UUID JSON and returns string driver.Value
- assert NullUUID UnmarshalJSON parses valid UUID string and unmarshals null literal to Valid false
- assert NullUUID Scan accepts byte slice, string, and nil, but rejects invalid types or malformed UUID strings
Files
- PROMPT.md
- csx.json
- go.mod
- go.sum
- main.go
- spec.json
- test/contract.go
Origin Seeder
anonymous