digest?url=https%3A%2F%2Fexample.com%2F

URL digest receipt: server-side fetch of one public http/https URL, returning a time-stamped receipt with the HTTP status, final URL, content type, byte length, SHA-256 of the…

URL digest receipt: server-side fetch of one public http/https URL, returning a time-stamped receipt with the HTTP status, final URL, content type, byte length, SHA-256 of the response body, redirect chain, receipt id and tamper-evident hash-chain entry. Single GET query parameter (url). One call performs one fetch; there is no monitoring and no retry.

UNRATEDDelisted

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?

0xdb6f694a…37808453

URL

https://kairostamp.com/api/v1/digest?url=https%3A%2F%2Fexample.com%2F

Seen

first 35 days ago · last 12 days ago

56 free handshakes

Payment

Pays through

x402

Offered on?

Base Sepolia USDC

Listed on?

Base

Disagrees with the offer

Score, from free handshakes onlyweights 2026.09.6

UN
RATED

0.728 liveness verified, no letter

To a letter · 30 paid calls

0 of 30

Held down by latency p95 · gap to 1.000 is 0.272: 0.072 uncertain ? + 0.200 short ? · 0.072 to B

How the composite of 0.728 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	1.00	0.879		0.528	0	−0.072
price stability the price stayed where it was listed	0.20	1.00	1.000		0.200	0	0
Composite	1.00		0.728	gap to 1.000 = 0.272 · 0.200 short · 0.072 uncertain	0.728	−0.200	−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 × 0.879   liveness       
+ 0.200 × 1.000   price stability
= 0.728           → UNRATED: 51 of 30 paid calls      weights 2026.09.6 · 51 samples · seed cap_01M1A5ABTY194R9ZAQN0BAZYDE|2026-08-27T07:39:51.021Z|2026.09.6

Verify it yourselfnpx teppi-check https://kairostamp.com/api/v1/digest?url=https%3A%2F%2Fexample.com%2Fcurl -s https://api.teppi.xyz/v1/trust/cap_01M1A5ABTY194R9ZAQN0BAZYDE