drift-check

Compares two submitted sample sets feature by feature and returns deterministic drift metrics.

Compares two submitted sample sets feature by feature and returns deterministic drift metrics. Continuous features are binned on the combined value range and receive PSI, Jensen-Shannon divergence and a Kolmogorov-Smirnov statistic; categorical features receive PSI and Jensen-Shannon divergence over exact category labels. The response names every feature, its sample counts, the metric values, the threshold used, and the reason a feature was flagged.

UNRATEDListed

Overview

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UNRATED

0 of 30 paid calls toward a letter

Price

$0.003 per call

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none yet

delivery unknown until someone pays

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0x2880edff…771c4e5e

URL

https://modell.halowerk.com/v1/drift-check

Seen

first 34 days ago · last 13 hr ago

52 free handshakes

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x402

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Base USDC

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Base

Score, from free handshakes onlyweights 2026.09.6

UN
RATED

0.241 liveness verified, no letter

To a letter · 30 paid calls

0 of 30

Held down by liveness · gap to 1.000 is 0.759: 0.028 uncertain ? + 0.731 short ? · 0.209 to D

How the composite of 0.241 is made up, part by part
Component	Weight	Measured	Lower bound ?		Adds	Short ?	Uncertain ?
livenesscosts the most it answered at all	0.60	0.11	0.068		0.041	−0.531	−0.028
latency p95 it answered as fast as its class	0.20	0.00	0.000		0.000	−0.200	0
price stability the price stayed where it was listed	0.20	1.00	1.000		0.200	0	0
Composite	1.00		0.241	gap to 1.000 = 0.759 · 0.731 short · 0.028 uncertain	0.241	−0.731	−0.028

Not measured: correctness · nobody paid; honesty · nobody paid; schema conformance · no answer had a published shape to check

The multiplication, written out

  0.600 × 0.068   liveness       
+ 0.200 × 0.000   latency p95    
+ 0.200 × 1.000   price stability
= 0.241           → UNRATED: 46 of 30 paid calls      weights 2026.09.6 · 46 samples · seed cap_01M1A5A12R5WS6T6Q6N2EC0MNG|2026-09-03T11:14:02.080Z|2026.09.6

Verify it yourselfnpx teppi-check https://modell.halowerk.com/v1/drift-checkcurl -s https://api.teppi.xyz/v1/trust/cap_01M1A5A12R5WS6T6Q6N2EC0MNG