europe-elevation-buffer-250m

Bilinear surface elevation from Copernicus DEM GLO-30.

Bilinear surface elevation from Copernicus DEM GLO-30. The service evaluates a circular 250 metre neighborhood around one coordinate and returns standardized units across all 30 covered countries.

UNRATEDListed

Overview

Grade?

UNRATED

0 of 30 paid calls toward a letter

Price

$0.001 per call

Paid calls

none yet

delivery unknown until someone pays

More info

Seller?

0x2880edff…771c4e5e

URL

https://euroland.halowerk.com/v1/europe-elevation-buffer-250m

Seen

first 29 days ago · last 1 day ago

54 free handshakes

Payment

Pays through

x402

Offered on?

Base USDC, Solana

Listed on?

Base

Score, from free handshakes onlyweights 2026.09.6

UN
RATED

0.510 liveness verified, no letter

To a letter · 30 paid calls

0 of 30

Held down by liveness · gap to 1.000 is 0.490: 0.210 uncertain ? + 0.280 short ? · 0.140 to C

How the composite of 0.510 is made up, part by part
Component	Weight	Measured	Lower bound ?		Adds	Short ?	Uncertain ?
livenesscosts the most it answered at all	0.60	0.70	0.350		0.210	−0.183	−0.207
latency p95 it answered as fast as its class	0.20	0.52	0.500		0.100	−0.097	−0.003
price stability the price stayed where it was listed	0.20	1.00	1.000		0.200	0	0
Composite	1.00		0.510	gap to 1.000 = 0.490 · 0.280 short · 0.210 uncertain	0.510	−0.280	−0.210

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

The multiplication, written out

  0.600 × 0.350   liveness       
+ 0.200 × 0.500   latency p95    
+ 0.200 × 1.000   price stability
= 0.510           → UNRATED: 47 of 30 paid calls      weights 2026.09.6 · 47 samples · seed cap_01M1RD90JNW3503YHQCVFYCQFE|2026-08-30T17:38:36.589Z|2026.09.6

Verify it yourselfnpx teppi-check https://euroland.halowerk.com/v1/europe-elevation-buffer-250mcurl -s https://api.teppi.xyz/v1/trust/cap_01M1RD90JNW3503YHQCVFYCQFE