Endpoint · computeGETtrade.chainverdict.xyz /v1/gtin/validate ?code=4006381333931
Validate a GTIN-8/12/13/14, UPC-A or EAN-13: check digit, format, GTIN-14 normalization, packaging indicator.
Overview
Grade?
UNRATED
0 of 30 paid calls toward a letter
Price
$0.004 per call
Paid calls
none yet
delivery unknown until someone pays
More info
Seller?
URL
https://trade.chainverdict.xyz/v1/gtin/validate?code=4006381333931
Seen
first 35 days ago · last 16 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
0.735 liveness verified, no letter
To a letter · 30 paid calls
0 of 30
Held back by sample size, not by the seller · gap to 1.000 is 0.265: 0.137 uncertain ? + 0.127 short ? · 0.065 to B
| Component | Weight | Measured | Lower bound ? | Adds | Short ? | Uncertain ? | |
|---|---|---|---|---|---|---|---|
| latency p95costs the most it answered as fast as its class |
0.20 | 0.36 | 0.000 | 0.000 | −0.127 | −0.073 | |
| liveness it answered at all |
0.60 | 1.00 | 0.892 | 0.535 | 0 | −0.065 | |
| price stability the price stayed where it was listed |
0.20 | 1.00 | 1.000 | 0.200 | 0 | 0 | |
| Composite | 1.00 | 0.735 | gap to 1.000 = 0.265 · 0.127 short · 0.137 uncertain | 0.735 | −0.127 | −0.137 |
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 × 0.892 liveness
+ 0.200 × 1.000 price stability
= 0.735 → UNRATED: 57 of 30 paid calls weights 2026.09.6 · 57 samples · seed cap_01M1A5A02D364YJ9KPW6M7V5SV|2026-09-03T02:18:43.797Z|2026.09.6
Verify it yourself
npx teppi-check https://trade.chainverdict.xyz/v1/gtin/validate?code=4006381333931curl -s https://api.teppi.xyz/v1/trust/cap_01M1A5A02D364YJ9KPW6M7V5SV