Endpoint · otherPOSTapi.magentlab.com /api/calc/canadian_ct_head
Canadian CT Head Rule (Stiell 2001).
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Canadian CT Head Rule (Stiell 2001). CT is indicated if any high-risk factor (GCS <15 at 2 hours, suspected open or depressed skull fracture, any sign of basal skull fracture, vomiting 2 or more times, or age 65 or older) or any medium-risk factor (amnesia before impact >30 min, or dangerous mechanism as assigned by the caller). Not a diagnosis, not NEXUS, not PECARN, not CATCH, and not pediatric. magent does not examine the patient.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://api.magentlab.com/api/calc/canadian_ct_head
Seen
first 35 days ago · last 21 hr ago
37 free handshakes
Payment
Pays through
x402
Offered on?
Base USDC
Listed on?
Base
Score, from free handshakes onlyweights 2026.09.6
UN
RATED
RATED
0.303 liveness verified, no letter
To a letter · 30 paid calls
0 of 30
Held down by liveness · gap to 1.000 is 0.697: 0.290 uncertain ? + 0.408 short ? · 0.147 to D
| Component | Weight | Measured | Lower bound ? | Adds | Short ? | Uncertain ? | |
|---|---|---|---|---|---|---|---|
| livenesscosts the most it answered at all |
0.60 | 0.65 | 0.171 | 0.103 | −0.208 | −0.290 | |
| 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 | 0.303 | gap to 1.000 = 0.697 · 0.408 short · 0.290 uncertain | 0.303 | −0.408 | −0.290 |
Not measured: correctness · nobody paid; honesty · nobody paid; schema conformance · no answer had a published shape to check
The multiplication, written out
0.600 × 0.171 liveness
+ 0.200 × 0.000 latency p95
+ 0.200 × 1.000 price stability
= 0.303 → UNRATED: 27 of 30 paid calls weights 2026.09.6 · 27 samples · seed cap_01M1A5A29YYBCCW4PJABJG9WP3|2026-09-04T22:24:24.290Z|2026.09.6
Verify it yourself
npx teppi-check https://api.magentlab.com/api/calc/canadian_ct_headcurl -s https://api.teppi.xyz/v1/trust/cap_01M1A5A29YYBCCW4PJABJG9WP3