Endpoint · computePOSTkairostamp.com /api/v1/snapshot
Kairostamp evidence snapshot: server-side fetch of one public http/https URL, returning a time-stamped receipt with the response status, content type, byte length, SHA-256 of the…
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Kairostamp evidence snapshot: server-side fetch of one public http/https URL, returning a time-stamped receipt with the response status, content type, byte length, SHA-256 of the body, redirect chain, a text preview, and a tamper-evident hash-chain entry.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?
URL
https://kairostamp.com/api/v1/snapshot
Seen
first 34 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 2026.09.4
UN
RATED
RATED
0.708 liveness verified, no letter
To a letter · 30 paid calls
0 of 30
Held down by latency p95 · gap to 1.000 is 0.292: 0.076 uncertain ? + 0.216 short ? · 0.092 to B
| 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 | 0.97 | 0.846 | 0.508 | −0.016 | −0.076 | |
| price stability the price stayed where it was listed |
0.20 | 1.00 | 1.000 | 0.200 | 0 | 0 | |
| Composite | 1.00 | 0.708 | gap to 1.000 = 0.292 · 0.216 short · 0.076 uncertain | 0.708 | −0.216 | −0.076 |
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 × 0.846 liveness
+ 0.200 × 1.000 price stability
= 0.708 → UNRATED: 49 of 30 paid calls weights 2026.09.4 · 49 samples · seed cap_01M1A5A0KPG9Y6A8S7ENWV86DZ|2026-08-26T04:30:52.027Z|2026.09.4
Verify it yourself
npx teppi-check https://kairostamp.com/api/v1/snapshotcurl -s https://api.teppi.xyz/v1/trust/cap_01M1A5A0KPG9Y6A8S7ENWV86DZ