Endpoint · computePOSTsource-claim-proof.mattskowronis.workers.dev /v1/verify
Verify whether a supplied public source page currently supports one atomic factual claim.
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Verify whether a supplied public source page currently supports one atomic factual claim. Returns supported, contradicted, or insufficient-evidence plus source snippets, or explicit blocked/unreachable/unsupported states. Not a general fact checker or web search.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://source-claim-proof.mattskowronis.workers.dev/v1/verify
MCP server on this host: dev.workers.mattskowronis.source-claim-proof/verify-source-claim
Seen
first 34 days ago · last 13 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
RATED
0.734 liveness verified, no letter
To a letter · 30 paid calls
0 of 30
Held down by latency p95 · gap to 1.000 is 0.266: 0.066 uncertain ? + 0.200 short ? · 0.066 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 | 1.00 | 0.890 | 0.534 | 0 | −0.066 | |
| price stability the price stayed where it was listed |
0.20 | 1.00 | 1.000 | 0.200 | 0 | 0 | |
| Composite | 1.00 | 0.734 | gap to 1.000 = 0.266 · 0.200 short · 0.066 uncertain | 0.734 | −0.200 | −0.066 |
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 × 0.890 liveness
+ 0.200 × 1.000 price stability
= 0.734 → UNRATED: 56 of 30 paid calls weights 2026.09.6 · 56 samples · seed cap_01M1A59MPQRE3Q87BAYJ3H5M44|2026-09-03T15:26:20.183Z|2026.09.6
Verify it yourself
npx teppi-check https://source-claim-proof.mattskowronis.workers.dev/v1/verifycurl -s https://api.teppi.xyz/v1/trust/cap_01M1A59MPQRE3Q87BAYJ3H5M44