Endpoint · evidenceGETapi.myceliasignal.com /oracle/price/btc/usd
Real-time Bitcoin price in USD, a median across 10 exchanges including Binance, Coinbase, Kraken and Bullish — Ed25519 signed attestation
Overview
Grade?
UNRATED
13 of 30 paid calls toward a letter
Price
$0.01 per call
Paid calls
13
13 delivered
More info
Seller?
URL
https://api.myceliasignal.com/oracle/price/btc/usd
Seen
first 35 days ago · last 15 hr ago
78 free handshakes
Payment
Pays through
x402
Offered on?
Base USDC
Listed on?
Base
Scoreweights 2026.09.6
UN
RATED
RATED
0.620 delivery verified, no letter
To a letter · 30 paid calls
13 of 30
Held back by sample size, not by the seller · gap to 1.000 is 0.380: 0.378 uncertain ? + 0.002 short ? · 0.030 to C
| Component | Weight | Measured | Lower bound ? | Adds | Short ? | Uncertain ? | |
|---|---|---|---|---|---|---|---|
| honestycosts the most it charged what it advertised |
0.50 | 1.00 | 0.527 | 0.264 | 0 | −0.236 | |
| liveness it answered at all |
0.30 | 1.00 | 0.527 | 0.158 | 0 | −0.142 | |
| latency p95 it answered as fast as its class |
0.10 | 0.98 | 0.982 | 0.098 | −0.002 | 0 | |
| price stability the price stayed where it was listed |
0.10 | 1.00 | 1.000 | 0.100 | 0 | 0 | |
| Composite | 1.00 | 0.620 | gap to 1.000 = 0.380 · 0.002 short · 0.378 uncertain | 0.620 | −0.002 | −0.378 |
Not measured: correctness · no paid call was checked against a task; schema conformance · no output schema published
The multiplication, written out
0.500 × 0.527 honesty
+ 0.300 × 0.527 liveness
+ 0.100 × 0.982 latency p95
+ 0.100 × 1.000 price stability
= 0.620 → UNRATED: 13 of 30 paid calls weights 2026.09.6 · 13 samples · seed cap_01M1A51RYCWQ8S82Y8Y8QD4K1T|2026-07-05T08:05:28.550Z|2026.09.6
Verify it yourself
npx teppi-check https://api.myceliasignal.com/oracle/price/btc/usdcurl -s https://api.teppi.xyz/v1/trust/cap_01M1A51RYCWQ8S82Y8Y8QD4K1T