Use this generator to create a reproducible identifier or a controlled optimization instance for examples, benchmarks, solver tests, and algorithm comparisons.

Count

Number of identifiers to generate.

Seed

Explicit seed for reproducibility.

Generate reproducible v4-format identifiers from injected or seeded randomness. The tool evaluates the supplied inputs together and returns the named outputs below; it does not infer omitted operating conditions or change the units shown.^[1]

Identifiers

Generated v4-format identifiers.

• Generated instances reflect the chosen distribution, size, density, and seed; they may not resemble operational data or cover adversarial cases. A generated UUID's properties depend on its version and random source.
• Use finite inputs in the displayed units and preserve more precision than the final presentation requires. Independently verify safety-critical, financial, compliance, or production decisions.

Record the seed and parameters, test multiple distributions and edge cases, and include representative real-world instances when evaluating solver quality.

• 3D Bin Packing Instance Generator

  Generate reproducible rectangular boxes bounded by a three-dimensional bin.

• 3SAT Instance Generator

  Generate reproducible Boolean 3SAT clauses with distinct variables per clause.

• Bin Packing Instance Generator

  Generate reproducible one-dimensional bin-packing item sizes.