distance-bearing

Calculates WGS84 great-circle distance and initial bearing.

Calculates WGS84 great-circle distance and initial bearing. Missing facts are returned as null and named in unavailable_fields where applicable. Derived values disclose their method; source-backed values disclose source, time window and age.

UNRATEDListed

Overview

Grade?

UNRATED

0 of 30 paid calls toward a letter

Price

$0.004 per call

Paid calls

none yet

delivery unknown until someone pays

More info

Seller?

0x2880edff…771c4e5e

URL

https://geo.halowerk.com/v1/distance-bearing

Seen

first 21 days ago · last 4 days ago

38 free handshakes

Payment

Pays through

x402

Offered on?

Base USDC

Listed on?

Base

Score, from free handshakes onlyweights 2026.09.6

UN
RATED

0.700 liveness verified, no letter

To a letter · 30 paid calls

0 of 30

Held back by sample size, not by the seller · gap to 1.000 is 0.300: 0.162 uncertain ? + 0.138 short ? · 0.100 to B

How the composite of 0.700 is made up, part by part
Component	Weight	Measured	Lower bound ?		Adds	Short ?	Uncertain ?
latency p95costs the most it answered as fast as its class	0.20	0.31	0.000		0.000	−0.138	−0.062
liveness it answered at all	0.60	1.00	0.834		0.500	0	−0.100
price stability the price stayed where it was listed	0.20	1.00	1.000		0.200	0	0
Composite	1.00		0.700	gap to 1.000 = 0.300 · 0.138 short · 0.162 uncertain	0.700	−0.138	−0.162

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

The multiplication, written out

  0.200 × 0.000   latency p95    
+ 0.600 × 0.834   liveness       
+ 0.200 × 1.000   price stability
= 0.700           → UNRATED: 37 of 30 paid calls      weights 2026.09.6 · 37 samples · seed cap_01M2CMPZERP3RERGFH3S0MTJYE|2026-09-03T08:05:28.550Z|2026.09.6

Verify it yourselfnpx teppi-check https://geo.halowerk.com/v1/distance-bearingcurl -s https://api.teppi.xyz/v1/trust/cap_01M2CMPZERP3RERGFH3S0MTJYE