sat-diff

Fetches two 128×128 NASA GIBS Harmonized Landsat Sentinel-2 reflectance renderings for a coordinate window, decodes the PNGs locally and compares only pixels present in both dates.

Fetches two 128×128 NASA GIBS Harmonized Landsat Sentinel-2 reflectance renderings for a coordinate window, decodes the PNGs locally and compares only pixels present in both dates. It reports measured RGB change plus transparent colour-class heuristics for built-up, water/flooding and vegetation loss. HLS resolution is about 30 m; cloud, season, lighting and acquisition gaps can dominate differences.

UNRATEDListed

Overview

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UNRATED

0 of 30 paid calls toward a letter

Price

$0.015 per call

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none yet

delivery unknown until someone pays

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0x2880edff…771c4e5e

URL

https://natur.halowerk.com/v1/sat-diff

Seen

first 34 days ago · last 10 days ago

63 free handshakes

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x402

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Base USDC

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Base

Handshakescomputed 1 day ago

0.607 from 57 free handshakes over 30 days · UNRATED ?

How the composite of 0.607 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	0.00	0.000		0.000	−0.200	0
liveness it answered at all	0.60	0.91	0.679		0.407	−0.051	−0.141
price stability the price stayed where it was listed	0.20	1.00	1.000		0.200	0	0
Composite	1.00		0.607	gap to 1.000 = 0.393 · 0.251 short · 0.141 uncertain	0.607	−0.251	−0.141

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

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Verify it yourselfnpx teppi-check https://natur.halowerk.com/v1/sat-diffcurl -s https://api.teppi.xyz/v1/trust/cap_01M1A5QEYTG8QD01BHC54EVNMZ