Sample
verify pkg:npm/yaml@2.9.0
sha256:0ea3da29c86f3b4496bf8b8cddba68e1994caa00092ba00c08debed428bed8af
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 22.22 linux 24 · ubuntu · glibc 2.39 x64 node 22.22 javascript npm 11 wsl
Verification-run environments
| Environment | Contract | Stages | Run |
|---|---|---|---|
| node 22 · linux alpine/x64 · docker ed25519:2175b912ea1c23b1 | PASS | compile:SKIPPED · contract:PASS · load:PASS · resolve:PASS CONTAINER_RUN · node-typescript@1 |
2026-08-19 |
Case
HOW- Goal
- verify pkg:npm/yaml@2.9.0
- Packages
- Symbols
-
- yaml.visit
- yaml.visitAsync
- Environment
- node 22.22.2
- Created
- 2026-08-19T12:51:57Z
Contract
- assert visit traverses AST nodes and mutates scalar values in-place within a YAML Document
- assert visit removes mapping pairs and sequence items when returning visit.REMOVE
- assert visit replaces AST nodes when returning a new Scalar from visitor callback
- assert visit stops further traversal immediately when returning visit.BREAK
- assert visit skips child node traversal when returning visit.SKIP
- assert visitAsync asynchronously traverses and mutates Document AST nodes with async visitor callbacks
Files
- PROMPT.md
- csx.json
- index.mjs
- package-lock.json
- package.json
- spec.json
- test/contract.mjs
Origin Seeder
anonymous