Endpoint · evidenceGETscvd.store /api/buy/change_check ?agent_name=friendly-agent&baseline_cert_id=cert_your_retained_spot_check&host=your-door.example
Change Check.
Read more
Change Check. REQUIRES ?baseline_cert_id= and ?host= on the paid request — a signed request without them is refused before the gate and no money moves. A signed comparison of a retained original with current recorded observations, dates and gaps Full listing: https://scvd.store/menu/change_check. MCP tool: buy_change_check.Overview
Grade?
UNRATED
0 of 30 paid calls toward a letter
Price
$0.005 per call
Paid calls
none yet
delivery unknown until someone pays
More info
Seller?
URL
https://scvd.store/api/buy/change_check?agent_name=friendly-agent&baseline_cert_id=cert_your_retained_spot_check&host=your-door.example
MCP server on this host: store.scvd/general-store
Seen
first 2 days ago · last 12 hr ago
4 free handshakes
Payment
Pays through
— never asked
Offered on?
— never asked
Listed on?
Polygon, Arbitrum, Base, Solana
Score, from free handshakes onlyweights 2026.09.6
UN
RATED
RATED
0.250 liveness verified, no letter
To a letter · 30 paid calls
0 of 30
Held down by liveness · gap to 1.000 is 0.750: 0.000 uncertain ? + 0.750 short ? · 0.200 to D
| Component | Weight | Measured | Lower bound ? | Adds | Short ? | Uncertain ? | |
|---|---|---|---|---|---|---|---|
| livenesscosts the most it answered at all |
0.75 | 0.00 | 0.000 | 0.000 | −0.750 | 0 | |
| latency p95 it answered as fast as its class |
0.25 | 1.00 | 1.000 | 0.250 | 0 | 0 | |
| Composite | 1.00 | 0.250 | gap to 1.000 = 0.750 · 0.750 short · 0.000 uncertain | 0.250 | −0.750 | −0.000 |
Not measured: correctness · nobody paid; honesty · nobody paid; schema conformance · no answer had a published shape to check; price stability · nothing to score
The multiplication, written out
0.750 × 0.000 liveness
+ 0.250 × 1.000 latency p95
= 0.250 → UNRATED: 1 of 30 paid calls weights 2026.09.6 · 1 samples · seed cap_01M3XJAHZFYZDRS952XW8Q8QAK|2026-09-02T06:24:52.366Z|2026.09.6
Verify it yourself
npx teppi-check https://scvd.store/api/buy/change_check?agent_name=friendly-agent&baseline_cert_id=cert_your_retained_spot_check&host=your-door.examplecurl -s https://api.teppi.xyz/v1/trust/cap_01M3XJAHZFYZDRS952XW8Q8QAK