Endpoint · onchainGETengine.beehivewebstudio.com /v1/token-briefs/brief ?claim=Circle+lists+this+exact+contract+as+USDC+on+Base.&contractAddress=0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913
Check Base ERC-20 decimals and total supply at a recorded block, and up to three claims against cited evidence.
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Check Base ERC-20 decimals and total supply at a recorded block, and up to three claims against cited evidence. Returns supported, contradicted, or unknown. Official project coverage currently includes Base USDC only. No safety verdict, liquidity, or holder analysis. One brief costs 0.25 USDC; retain your private Idempotency-Key for recovery.Overview
Grade?
UNRATED
0 of 30 paid calls toward a letter
Price
$0.25 per call
Paid calls
none yet
delivery unknown until someone pays
More info
Seller?
URL
https://engine.beehivewebstudio.com/v1/token-briefs/brief?claim=Circle+lists+this+exact+contract+as+USDC+on+Base.&contractAddress=0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913
Seen
first 5 days ago · last 12 hr ago
8 free handshakes
Payment
Pays through
x402
Offered on?
Base USDC
Listed on?
Base
Score, from free handshakes onlyweights 2026.09.6
UN
RATED
RATED
0.340 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 0.660: 0.460 uncertain ? + 0.200 short ? · 0.110 to D
| Component | Weight | Measured | Lower bound ? | Adds | Short ? | Uncertain ? | |
|---|---|---|---|---|---|---|---|
| livenesscosts the most it answered at all |
0.60 | 1.00 | 0.233 | 0.140 | 0 | −0.460 | |
| latency p95 it answered as fast as its class |
0.20 | 0.00 | 0.000 | 0.000 | −0.200 | 0 | |
| price stability the price stayed where it was listed |
0.20 | 1.00 | 1.000 | 0.200 | 0 | 0 | |
| Composite | 1.00 | 0.340 | gap to 1.000 = 0.660 · 0.200 short · 0.460 uncertain | 0.340 | −0.200 | −0.460 |
Not measured: correctness · nobody paid; honesty · nobody paid; schema conformance · no answer had a published shape to check
The multiplication, written out
0.600 × 0.233 liveness
+ 0.200 × 0.000 latency p95
+ 0.200 × 1.000 price stability
= 0.340 → UNRATED: 8 of 30 paid calls weights 2026.09.6 · 8 samples · seed cap_01M3NV26BD23KP09CQW2ZSWF0Z|2026-09-04T02:59:10.018Z|2026.09.6
Verify it yourself
npx teppi-check https://engine.beehivewebstudio.com/v1/token-briefs/brief?claim=Circle+lists+this+exact+contract+as+USDC+on+Base.&contractAddress=0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913curl -s https://api.teppi.xyz/v1/trust/cap_01M3NV26BD23KP09CQW2ZSWF0Z