01 · Blind backtest
Free
for the first two teams
Then $15k to $25k, refunded if we miss.
- We predict a past build, blind.
- The prediction is locked before we look.
- Scored on a bar we agree up front.

Open file formatOpen Product↗Every part, station and lesson of a product in one file any agent can read.

InteractiveWalk the line in 3D→Fly through Plus One’s line with its gold twin on.
Sample reportSample build risk report→What fails on the next build, why, and the fix that clears it.
Hook +0.5 mmWalkthroughOne failure, step by step→Make one hook 0.5 mm longer, rerun 5,000 units, watch the failure clear.
Benjamin ShyongFounder→17 years taking products from prototype to mass production.
Where it goesRoadmap→Station by station, then the whole factory.
Proving groundFive builds→Products we designed to test the engine.Pricing
Start with a blind backtest on a build you already ran. Free for the first two teams. After that, refunded if we miss the bar we agree first.
Then $15k to $25k, refunded if we miss.
Before tooling is cut.
Cheaper than reports from 4 builds a year.
Open Product releases are free. openproduct.co ↗
Prices in US dollars. Everything shown so far is simulated; the backtest is how that changes.