CodeSampleX

Sample

verify pkg:golang/github.com/mattn/go-isatty@v0.0.17

sha256:518ee3abf713e88a077bc01951ce2e39a9a6e89db191bd47e35e6e8ad90150ba

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
2
Verification level
L4_CROSS_PASS
Declared environment go 1.26 linux 24 · ubuntu · glibc 2.39 x64 go 1.26 go go 1

Verification-run environments

Environment Contract Stages Run
go 1.26 · linux alpine/x64 · docker ed25519:c1973797be207ac4 SKIPPED compile:SKIPPED · contract:SKIPPED · load:SKIPPED · resolve:FAIL
CONTAINER_RUN · golang@1		 2026-08-19
go 1.26 · linux alpine/x64 · docker ed25519:d91480838ac982c9 PASS compile:SKIPPED · contract:PASS · load:PASS · resolve:PASS
CONTAINER_RUN · golang@1		 2026-08-20

Case

HOW
Goal
verify pkg:golang/github.com/mattn/go-isatty@v0.0.17
Packages
Symbols
  • IsTerminal
  • IsCygwinTerminal
Environment
go 1.26.6
Created
2026-08-19T23:50:32Z

Contract

  1. isatty.IsTerminal returns false for regular file descriptors
  2. isatty.IsTerminal returns false for invalid file descriptors
  3. isatty.IsTerminal returns false for pipe file descriptors
  4. isatty.IsTerminal returns false for null device file descriptors
  5. isatty.IsCygwinTerminal returns false for regular file descriptors
  6. isatty.IsCygwinTerminal returns false for invalid file descriptors
  7. isatty.IsCygwinTerminal returns false for pipe file descriptors
  8. isatty.IsCygwinTerminal returns false for null device file descriptors

Files

  • PROMPT.md
  • csx.json
  • go.mod
  • go.sum
  • main.go
  • spec.json
  • test/contract.go

Download the source artifact (tar.gz)

Origin Seeder

anonymous