Product
Substrata
What moved among the constraints on technological progress
A running log of the physical chokepoints — energy, materials, fabrication — as dated events, so that 'progress is limited by atoms' is a list you can read rather than a sentence.
Products: Running and public — in beta, yours to use today.
The image is a screenshot of substrata.orangecat.ch, taken by a machine when this site was built. If the product changed, so did the picture.
StageProduct
StatusBeta — running, not released
FieldKnowledge
SinceAug 2026
Addresssubstrata.orangecat.ch
Sourcebitbaum/substrata
ProfilesOrangeCat
Ask about Substrata
Whether you are evaluating it, want it for your organisation, or want to know how it was built — this reaches a person, and the reply comes from one.