intermodal-compare

Xynaptic Intermodal Compare — train vs plane between two cities: REAL next train journeys (Navitia/SNCF: times, duration, transfers) vs flight estimate (great-circle distance…

Xynaptic Intermodal Compare — train vs plane between two cities: REAL next train journeys (Navitia/SNCF: times, duration, transfers) vs flight estimate (great-circle distance, typical duration+price range, CO2 per passenger). Composite verdict: when the train wins on total door-to-door time or cost. GET ?from=Paris&to=Nice. France focus. Informational.

UNRATEDListedChain not offered

Overview

Grade?

UNRATED

0 of 30 paid calls toward a letter

Price

$0.03 per call

Paid calls

none yet

delivery unknown until someone pays

More info

Seller?

0x4ff893df…0fa4d5e9

URL

https://api.xynaptic.io/v1/intermodal-compare

Seen

first 7 days ago · last 15 hr ago

12 free handshakes

Payment

Pays through

x402

Offered on?

Polygon, Base USDC, Solana mainnet

Listed on?

Polygon, Base, Solana

Disagrees with the offer: Chain not offered

Score, from free handshakes onlyweights 2026.09.6

UN
RATED

0.665 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 0.335: 0.335 uncertain ? + 0.000 short ? · 0.135 to B

How the composite of 0.665 is made up, part by part
Component	Weight	Measured	Lower bound ?		Adds	Short ?	Uncertain ?
livenesscosts the most it answered at all	0.60	1.00	0.442		0.265	0	−0.335
latency p95 it answered as fast as its class	0.20	1.00	1.000		0.200	0	0
price stability the price stayed where it was listed	0.20	1.00	1.000		0.200	0	0
Composite	1.00		0.665	gap to 1.000 = 0.335 · 0.000 short · 0.335 uncertain	0.665	−0.000	−0.335

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

The multiplication, written out

  0.600 × 0.442   liveness       
+ 0.200 × 1.000   latency p95    
+ 0.200 × 1.000   price stability
= 0.665           → UNRATED: 11 of 30 paid calls      weights 2026.09.6 · 11 samples · seed cap_01M3GP9QDPGZTP2DGR7RV11ANY|2026-09-03T19:06:19.953Z|2026.09.6

Verify it yourselfnpx teppi-check https://api.xynaptic.io/v1/intermodal-comparecurl -s https://api.teppi.xyz/v1/trust/cap_01M3GP9QDPGZTP2DGR7RV11ANY