sig?expected_signer=0x19E7E376E7C213B7E7e7e46cc70A5dD086DAff2A&message=touchstone&signature=0xa4237c8d9891e32f5e7c6ea14ca0a9a016454f1d23210b76caac4cc6ebf0f4480034bbf06da24dcef3d0f1c9654073d31fc2c6fef0d6f4306fb4c00c3ac5d20a1b&type=eip191

Recover who signed a message (ecrecover, EIP-191 personal_sign).

Recover who signed a message (ecrecover, EIP-191 personal_sign). For EIP-712 typed data use POST /verify/sig. Every answer signed.

UNRATEDListed

Overview

Grade?

UNRATED

0 of 30 paid calls toward a letter

Price

$0.002 per call

Paid calls

none yet

delivery unknown until someone pays

More info

Seller?

0xa3091005…b7767674

URL

https://touchstone.locomot.io/verify/sig?expected_signer=0x19E7E376E7C213B7E7e7e46cc70A5dD086DAff2A&message=touchstone&signature=0xa4237c8d9891e32f5e7c6ea14ca0a9a016454f1d23210b76caac4cc6ebf0f4480034bbf06da24dcef3d0f1c9654073d31fc2c6fef0d6f4306fb4c00c3ac5d20a1b&type=eip191

Seen

first 35 days ago · last 14 hr ago

64 free handshakes

Payment

Pays through

x402

Offered on?

Base USDC

Listed on?

Base

Score, from free handshakes onlyweights 2026.09.6

UN
RATED

0.720 liveness verified, no letter

To a letter · 30 paid calls

0 of 30

Held down by latency p95 · gap to 1.000 is 0.280: 0.072 uncertain ? + 0.207 short ? · 0.080 to B

How the composite of 0.720 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	0.867		0.520	−0.007	−0.072
price stability the price stayed where it was listed	0.20	1.00	1.000		0.200	0	0
Composite	1.00		0.720	gap to 1.000 = 0.280 · 0.207 short · 0.072 uncertain	0.720	−0.207	−0.072

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 × 0.867   liveness       
+ 0.200 × 1.000   price stability
= 0.720           → UNRATED: 58 of 30 paid calls      weights 2026.09.6 · 58 samples · seed cap_01M1A5AAX98EBZC35C6TPDQDDP|2026-09-03T09:39:23.693Z|2026.09.6

Verify it yourself

npx teppi-check https://touchstone.locomot.io/verify/sig?expected_signer=0x19E7E376E7C213B7E7e7e46cc70A5dD086DAff2A&message=touchstone&signature=0xa4237c8d9891e32f5e7c6ea14ca0a9a016454f1d23210b76caac4cc6ebf0f4480034bbf06da24dcef3d0f1c9654073d31fc2c6fef0d6f4306fb4c00c3ac5d20a1b&type=eip191

curl -s https://api.teppi.xyz/v1/trust/cap_01M1A5AAX98EBZC35C6TPDQDDP