Endpoint · computePOSTx402.outpimp.com/generateChecksumFormat

Checksummed-identifier-format generator API.

Checksummed-identifier-format generator API. Generates a structurally valid isbn, upc, vin, or imei, each computed with its real check-digit algorithm. vin and imei take no arguments. Accepts optional locale (default en_US).

UNRATEDListed

Overview

Grade?

UNRATED

0 of 30 paid calls toward a letter

Price

$0.01 per call

Paid calls

none yet

delivery unknown until someone pays

More info

Seller?

0x548efd4f…feeec5f6

URL

https://x402.outpimp.com/generateChecksumFormat

Seen

first 34 days ago · last 5 days ago

64 free handshakes

Payment

Pays through

x402

Offered on?

Base USDC, Solana

Listed on?

Base, Solana

Score, from free handshakes onlyweights 2026.09.6

UN
RATED

0.716 liveness verified, no letter

To a letter · 30 paid calls

0 of 30

Held down by latency p95 · gap to 1.000 is 0.284: 0.077 uncertain ? + 0.207 short ? · 0.084 to B

How the composite of 0.716 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	0.99	0.860		0.516	−0.007	−0.077
price stability the price stayed where it was listed	0.20	1.00	1.000		0.200	0	0
Composite	1.00		0.716	gap to 1.000 = 0.284 · 0.207 short · 0.077 uncertain	0.716	−0.207	−0.077

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 × 0.860   liveness       
+ 0.200 × 1.000   price stability
= 0.716           → UNRATED: 56 of 30 paid calls      weights 2026.09.6 · 56 samples · seed cap_01M1A59VNFX6H1G2QEVQG72Q1Z|2026-09-03T19:37:39.367Z|2026.09.6

Verify it yourselfnpx teppi-check https://x402.outpimp.com/generateChecksumFormatcurl -s https://api.teppi.xyz/v1/trust/cap_01M1A59VNFX6H1G2QEVQG72Q1Z