biodiversity-density

Assesses the recorded biodiversity of an area around a point: how many distinct species appear, how many records support them, how recent those records are, how many separate…

Assesses the recorded biodiversity of an area around a point: how many distinct species appear, how many records support them, how recent those records are, how many separate datasets contributed, and the breakdown by kingdom. The trap this service is built around is that record density measures observers, not organisms — a city park with heavy footfall carries more records than a roadless reserve and is not thereby richer.

UNRATEDListed

Overview

Grade?

UNRATED

0 of 30 paid calls toward a letter

Price

$0.006 per call

Paid calls

none yet

delivery unknown until someone pays

More info

Seller?

0x2880edff…771c4e5e

URL

https://natur.halowerk.com/v1/biodiversity-density

Seen

first 35 days ago · last 4 days ago

63 free handshakes

Payment

Pays through

x402

Offered on?

Base USDC

Listed on?

Base

Score, from free handshakes onlyweights 2026.09.6

UN
RATED

0.674 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 0.326: 0.198 uncertain ? + 0.128 short ? · 0.126 to B

How the composite of 0.674 is made up, part by part
Component	Weight	Measured	Lower bound ?		Adds	Short ?	Uncertain ?
livenesscosts the most it answered at all	0.60	0.92	0.651		0.391	−0.051	−0.159
latency p95 it answered as fast as its class	0.20	0.61	0.416		0.083	−0.077	−0.040
price stability the price stayed where it was listed	0.20	1.00	1.000		0.200	0	0
Composite	1.00		0.674	gap to 1.000 = 0.326 · 0.128 short · 0.198 uncertain	0.674	−0.128	−0.198

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

The multiplication, written out

  0.600 × 0.651   liveness       
+ 0.200 × 0.416   latency p95    
+ 0.200 × 1.000   price stability
= 0.674           → UNRATED: 55 of 30 paid calls      weights 2026.09.6 · 55 samples · seed cap_01M1A5QFG7GHVKHPKMA5TE8CZ6|2026-09-04T08:44:28.983Z|2026.09.6

Verify it yourselfnpx teppi-check https://natur.halowerk.com/v1/biodiversity-densitycurl -s https://api.teppi.xyz/v1/trust/cap_01M1A5QFG7GHVKHPKMA5TE8CZ6