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A Transaction Science Platform

Expert resolution.
Reproducible at energy cost.

Distance functions over comparison sets. The appraiser, the inspector, the judge. Anyone re-runs the same comps and gets the same answer.

The receipt

Every operation. Every joule. Signed.

This is what ExpertOS returns. Not just a result — a signed JWP ReceiptPayload with the energy consumed, the standard cited, and the cryptographic signature that makes it audit-grade.

JWP ReceiptPayload
kind "expert.resolution"
joules 24
cite "ExpertOS distance · comp-set NCRE-12839"
sig "ed25519:0x4f...c1a"

What this platform believes

Three statements. Each is the proof of the next.

One concrete scenario.

Distance function: this house vs. five comps. Inspector emits 47 condition assertions with photos and confidences. The appraisal is reproducible if anyone runs the same comp set. 24 joules.

Watch it happen →
One inspectable artifact.

Distance-function visualizer. Pick comparables, see the appraisal recompute in real time. The math is the appraisal.

Open the artifact →
One signed receipt.

Same identity, same format, same billing unit (joules), same wire transport. ExpertOS ships the part that handles resolution.

See the receipt format →