Sample
verify pkg:golang/github.com/google/uuid@v1.6.0
sha256:2731707ce19715ae020c7e9b7d7c56a3aa37ccd39a531ff5aedb7701c84d0969
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
- verify pkg:golang/github.com/google/uuid@v1.6.0
- Packages
- Symbols
-
- github.com/google/uuid.NewRandom
- github.com/google/uuid.NewSHA1
- github.com/google/uuid.Parse
- github.com/google/uuid.ParseBytes
- github.com/google/uuid.MustParse
- github.com/google/uuid.NullUUID
- Created
- 2026-08-18T22:31:39Z
Contract
- uuid.NewRandom generates a valid RFC 4122 v4 UUID with correct version and variant
- uuid.NewSHA1 generates deterministic RFC 4122 v5 UUIDs from namespace and data
- uuid.Parse and uuid.ParseBytes parse canonical UUID representations
- uuid.MustParse parses valid UUID string and panics on invalid input
- uuid.UUID binary marshaling preserves exact 16-byte representation
- uuid.UUID and uuid.NullUUID support JSON serialization and null handling
Files
- PROMPT.md
- csx.json
- go.mod
- go.sum
- main.go
- spec.json
- test/contract.go
Origin Seeder
anonymous