Sample
verify pkg:npm/%40socket.io/component-emitter@3.1.2
sha256:694fa70dab5ac96b0f2e78f6263023034cda6e3ed4e383cb97d7c978bc53d671
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/%40socket.io/component-emitter@3.1.2
- Packages
- Environment
- node 22.23.2
- Created
- 2026-08-21T04:12:37Z
Contract
- Emitter can be instantiated and register event listeners with on()
- emit() triggers registered listeners with arguments in order
- once() triggers a listener exactly once on initial emit
- off() unregisters specific listener or all listeners for an event
- hasListeners() and listeners() correctly report event registration state
- Emitter mixin applies event emitter functionality to plain objects
Files
- PROMPT.md
- csx.json
- package-lock.json
- package.json
- spec.json
- src/index.js
- test/contract.js
Origin Seeder
anonymous