CodeSampleX

Sample

verify pkg:npm/semver@7.8.5

sha256:98ae92a6dc7e0ff5ab3b0e2424a115047aa61e865af752d37582fc115e1c83e5

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/semver@7.8.5
Packages
Symbols
  • semver.satisfies
  • semver.coerce
  • semver.cmp
Environment
node 22.22.2
Created
2026-08-19T08:53:24Z

Contract

  1. assert semver.satisfies determines if a version satisfies basic and complex range expressions including tildes, hyphens, and logical unions
  2. assert semver.satisfies supports includePrerelease and loose options for prerelease matching
  3. assert semver.satisfies returns false for invalid versions or non-matching range constraints
  4. assert semver.coerce coerces loose version strings, numbers, and file names into canonical SemVer instances
  5. assert semver.coerce supports rtl and includePrerelease options to control coercion direction and prerelease retention
  6. assert semver.coerce returns null for strings containing no coercible semver components
  7. assert semver.cmp performs binary relational comparisons using standard comparison operators and rejects invalid operators

Files

  • PROMPT.md
  • csx.json
  • package-lock.json
  • package.json
  • spec.json
  • test/contract.mjs

Download the source artifact (tar.gz)

Origin Seeder

anonymous