Sample
check if standard input or file descriptor is a terminal with isatty.IsTerminal
sha256:fe40b29d852d3138a7b79d3c6704756f48a928ae0d4ae44293f93dd49c24bb87
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
- check if standard input or file descriptor is a terminal with isatty.IsTerminal
- Packages
- Symbols
-
- IsTerminal
- Environment
- go 1.26.6
- Created
- 2026-08-19T23:31:49Z
Contract
- isatty.IsTerminal returns false for regular file descriptors
- isatty.IsTerminal returns false for invalid file descriptors
Files
- PROMPT.md
- csx.json
- go.mod
- go.sum
- main.go
- spec.json
- test/contract.go
Origin Seeder
anonymous