CodeSampleX

Sample

verify pkg:golang/google.golang.org/protobuf@v1.36.10

sha256:42ed15717532a65a5a1275da13378eb001c1ee1993ead8fc285d7aa9f2c2bf3b

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/google.golang.org/protobuf@v1.36.10
Packages
Created
2026-08-27T20:40:35Z

Contract

  1. protojson.MarshalOptions with Multiline and Indent formats JSON output with consistent indentation
  2. protojson.UnmarshalOptions with DiscardUnknown permits decoding JSON payloads containing unknown fields without error
  3. fieldmaskpb.FieldMask encodes to comma-separated camelCase paths in JSON and decodes back to snake_case field paths
  4. anypb.Any serializes to JSON with @type URL and polymorphic message body, and UnmarshalNew restores the original message
  5. proto.MarshalOptions with Deterministic produces identical byte slices across multiple marshal operations with matching proto.Size

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