TRACE → TEST → WITNESS → ACT → IMMUNIZE
Data systems should
remember what broke them.
Tripwire traces a proposed data change through DataHub, executes every critical consumer, proves the failure with one transaction, then turns the approved lesson into protection the next agent inherits.
3live MCP facts
2critical consumers
12rows replayed
3assets immunized
NATIVE DATAHUB1 Assertion1 Incident
ENGINE
6a71fb58MODEL fraud-risk-calibrator/2.0.0ARTIFACT 7d7edecb0868…THE EVIDENCE CHAIN
Not another risk score.
A case you can inspect.
Every claim below comes from the live Change Passports included with the project.
03
Show me the transaction
One minimal, synthetic fixture proves the causal path from changed feature to model score to agent action.
MINIMAL COUNTEREXAMPLETX-009
witness-tx-009AMOUNT$500
INTERNATIONALYes
MERCHANT RISKmedium
DEVICE AGEUnknown
BASELINE
fraud signal0.62
MODEL 66.9%review
−17.1points→
CANDIDATE
fraud signal0.44
MODEL 49.8%approve
NULL DEVICE→FEATURE DROPS→MODEL CROSSES 0.62→AGENT APPROVES
THE ADAPTIVE PROOF
Break it. Learn it.
Prove the safe path.
02
DISTINCT LATER CHANGE
unsafe_related.sql
A different SQL expression recreates the defect. DataHub lineage returns the active memory and Tripwire replays its fixture.
APPLIED MEMORYv11 retrieved · 3 tests
OUTPUTCHANGE
BLOCKEDLEARNED_PROTECTION_VIOLATED
BLOCKEDLEARNED_PROTECTION_VIOLATED
DATAHUB MEMORY LEDGERACTIVE
Protection
protection-witness-tx-009 · v1Approved by
urn:li:corpuser:fraud-platformAttached to
3 affected graph entitiesRequired owner
Fraud Platform TeamExact entity
urn:li:dataset:(urn:li:dataP…d_features,PROD)Payload proof
4218f01cba56793e2a…2cca46697aDataHub Assertion
urn:li:assertion:tripwire-pr…itness-tx-009-v1 · FAILUREDataHub Incident
urn:li:incident:tripwire-178…ca648623466f4a25 · ACTIVEONE ENGINE · TWO DOMAINS
Not a fraud demo with the nouns swapped.
The same evaluator catches a different defect class in an inventory stockout model and replenishment agent.
FRAUD SAFETYTX-009review → approveNULL-HANDLING REGRESSION
INVENTORY SAFETYSKU-0102review → approveAGGREGATION-CAP REGRESSION