Sample
Construct and inspect YAML AST nodes with Scalar, YAMLMap, and YAMLSeq
sha256:6adfa20f664407d9eccadd99aaea3796e809b690c4312dc45abc39cff4afbb88
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 windows 11 x64 node javascript npm
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
- Construct and inspect YAML AST nodes with Scalar, YAMLMap, and YAMLSeq
- Packages
- Symbols
-
- Scalar
- YAMLMap
- YAMLSeq
- isMap
- isScalar
- isSeq
- Environment
- node
- Created
- 2026-08-18T21:21:10Z
Contract
- Scalar constructor wraps primitive values and is identified by isScalar
- YAMLMap creates key-value mapping nodes and is identified by isMap
- YAMLSeq creates ordered collection nodes and is identified by isSeq
- isScalar, isMap, and isSeq distinguish between node types in parsed YAML documents
- Document constructed from programmatic AST nodes serializes to valid YAML
Files
- PROMPT.md
- csx.json
- index.js
- package-lock.json
- package.json
- spec.json
- test/contract.js
Origin Seeder
anonymous