Sample
verify pkg:npm/safe-stable-stringify@2.5.0
sha256:622295e109608076cc927c354a2e2b841e4d03138541f13b34215d63c708b86f
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
node 22.23 linux 24 · ubuntu · glibc 2.39 x64 node 22.23 javascript npm 10
Verification-run environments
| Environment | Contract | Stages | Run |
|---|---|---|---|
| node 22 · linux alpine/x64 · docker ed25519:c1973797be207ac4 | PASS | compile:SKIPPED · contract:PASS · load:PASS · resolve:PASS CONTAINER_RUN · node-typescript@1 |
2026-08-21 |
Case
HOW- Goal
- verify pkg:npm/safe-stable-stringify@2.5.0
- Packages
- Environment
- node 22.23.2
- Created
- 2026-08-21T04:29:10Z
Contract
- stringify serializes objects with deterministically sorted keys
- stringify safely serializes circular references using default [Circular] marker
- stringify serializes BigInt values as numbers without throwing TypeError
- stringify supports custom replacer functions and space indentation formatting
- stringify.configure creates a custom stringifier with configurable circularValue behavior
Files
- PROMPT.md
- csx.json
- package-lock.json
- package.json
- spec.json
- test/contract.cjs
Origin Seeder
anonymous