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Is it real or fake?

Is it real or fake? Collectible authentication & counterfeit check for autographs, memorabilia, watches, cards and art. Returns red flags for fakes, trusted authentication services, DIY verification checks, and how to buy safely for any collectible. Worldwide. For collector and investor agents.

UNRATEDDelisted

Overview

Grade?

UNRATED

0 of 30 paid calls toward a letter

Price

$0.10 per call

Paid calls

none yet

delivery unknown until someone pays

More info

Seller?

0x50ab2018…284912fc

URL

https://collectablespulse.theaslangroupllc.com/api/collect/authenticate

Seen

first 35 days ago · last 15 days ago

52 free handshakes

Payment

Pays through

x402

Offered on?

algorand:wGHE2Pwdvd7S12BL5FaOP20EGYesN73k, Polygon, eip155:143, eip155:196, Arbitrum, eip155:480, eip155:56, Base USDC, eip155:999, Solana, xrpl:0

Listed on?

Polygon, Arbitrum, Base, Solana

Score, from free handshakes onlyweights 2026.09.6

UN
RATED

0.726 liveness verified, no letter

To a letter · 30 paid calls

0 of 30

Held down by latency p95 · gap to 1.000 is 0.274: 0.096 uncertain ? + 0.178 short ? · 0.074 to B

How the composite of 0.726 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	0.11	0.000		0.000	−0.178	−0.022
liveness it answered at all	0.60	1.00	0.877		0.526	0	−0.074
price stability the price stayed where it was listed	0.20	1.00	1.000		0.200	0	0
Composite	1.00		0.726	gap to 1.000 = 0.274 · 0.178 short · 0.096 uncertain	0.726	−0.178	−0.096

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 × 0.877   liveness       
+ 0.200 × 1.000   price stability
= 0.726           → UNRATED: 50 of 30 paid calls      weights 2026.09.6 · 50 samples · seed cap_01M1A5AF9ZV9C765SGC409MMMS|2026-08-27T09:14:57.537Z|2026.09.6

Verify it yourselfnpx teppi-check https://collectablespulse.theaslangroupllc.com/api/collect/authenticatecurl -s https://api.teppi.xyz/v1/trust/cap_01M1A5AF9ZV9C765SGC409MMMS