CodeSampleX

Sample

verify pkg:golang/github.com/prometheus/common@v0.67.5

sha256:f9f837283557f1b377388e2663b4715e3c2bfbdb4381a71dc596e490a7eb3e34

This network offers one thing: a sample that builds. It ran the sample in a sandbox and kept the signed receipt. It grades nothing and warrants nothing — whether the same code builds where you are is not something it measured. How many distinct signing keys filed a passing contract receipt. One is the author alone; more than one means somebody else built it too. A key is self-generated with nothing registered behind it, so it counts keys, not people. MIT-0

Execution evidence

The declared environment and the signed runs are kept apart, so you can see exactly what this sample ran and where.

Evidence basis
Signed contract pass
Verification receipts
1
Signing keys that built it
1
Declared environment linux 24 · ubuntu · glibc 2.39 x64 go

Verification-run environments

Environment Contract Stages Run
go 1.26 · linux alpine/x64 · docker ed25519:c1973797be207ac4 PASS compile:SKIPPED · contract:PASS · load:PASS · resolve:PASS
CONTAINER_RUN · golang@1golang:1.26-alpine@sha256:28d89ee9cc0f…		 2026-08-27

Case

HOW
Goal
verify pkg:golang/github.com/prometheus/common@v0.67.5
Packages
Created
2026-08-27T21:05:32Z

Contract

  1. Metric.String formats the metric with name prefix before braces, and Metric.Fingerprint computes deterministic 64-bit hashes.
  2. Metric.Clone produces a deep copy satisfying equality and preserving fingerprints.
  3. LabelSet.Merge combines label sets with override precedence, and LabelSet.Validate checks valid UTF-8 encoding.
  4. LegacyValidation and UTF8Validation validate label and metric names under classic and modern Prometheus rules.
  5. model.ParseDuration parses standard Prometheus duration strings into time.Duration and rejects malformed strings.
  6. FingerprintFromString and ParseFingerprint parse 16-character hexadecimal strings to model.Fingerprint.
  7. TimeFromUnixNano produces millisecond-precision model.Time supporting time math and comparison operations.

Files

  • NOTES.md
  • PROMPT.md
  • contract_test.go
  • csx.json
  • go.mod
  • go.sum
  • spec.json

Download the source artifact (tar.gz)

Origin Seeder

anonymous