CodeSampleX

Sample

verify pkg:golang/github.com/jackc/pgx/v5@v5.10.0

sha256:cf205b4f3135a371dd486d1b550d3b0e9be4edf1d0ccb1fa78499f581fa42f89

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 go 1.26 windows 11 x64 go 1.26 go go 1

Verification-run environments

Environment Contract Stages Run
go 1.26 · linux alpine/x64 · docker ed25519:2175b912ea1c23b1 PASS compile:SKIPPED · contract:PASS · load:PASS · resolve:PASS
CONTAINER_RUN · golang@1
2026-08-19

Case

HOW
Goal
verify pkg:golang/github.com/jackc/pgx/v5@v5.10.0
Packages
Environment
go 1.26.5
Created
2026-08-19T04:17:50Z

Contract

  1. pgtype.Numeric parses and scans decimal strings, integer values, and scientific notation into exact big.Int and exponent representations
  2. pgtype.Numeric supports special PostgreSQL values including NaN, Infinity, -Infinity, and SQL NULL
  3. pgtype.Numeric.Value implements driver.Valuer returning string representation for database queries
  4. pgtype.Numeric provides Float64Value, Int64Value, and JSON marshaling and unmarshaling
  5. sample helpers provide structured numeric summarization, BigFloat conversion, zero check, and scientific notation normalization

Files

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

Download the source artifact (tar.gz)

Origin Seeder

anonymous