Endpoint · computePOSTphion.systems /v1/paid/trust/agent-task-handoff-receipt
Validate and sign a portable task, scope, budget and expiry handoff
Overview
Grade?
UNRATED
0 of 30 paid calls toward a letter
Price
$0.003 per call
Paid calls
none yet
delivery unknown until someone pays
More info
Seller?
URL
https://phion.systems/v1/paid/trust/agent-task-handoff-receipt
MCP server on this host: systems.phion/evidence-engine
Seen
first 20 days ago · last 3 days ago
37 free handshakes
Payment
Pays through
x402
Offered on?
Polygon, Arbitrum, Base USDC, Solana
Listed on?
Polygon, Arbitrum, Base, Solana
Score, from free handshakes onlyweights 2026.09.6
UN
RATED
RATED
0.771 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 0.229: 0.141 uncertain ? + 0.089 short ? · 0.029 to B
| Component | Weight | Measured | Lower bound ? | Adds | Short ? | Uncertain ? | |
|---|---|---|---|---|---|---|---|
| livenesscosts the most it answered at all |
0.60 | 1.00 | 0.802 | 0.481 | 0 | −0.119 | |
| latency p95 it answered as fast as its class |
0.20 | 0.56 | 0.449 | 0.090 | −0.089 | −0.022 | |
| price stability the price stayed where it was listed |
0.20 | 1.00 | 1.000 | 0.200 | 0 | 0 | |
| Composite | 1.00 | 0.771 | gap to 1.000 = 0.229 · 0.089 short · 0.141 uncertain | 0.771 | −0.089 | −0.141 |
Not measured: correctness · nobody paid; honesty · nobody paid; schema conformance · no answer had a published shape to check
The multiplication, written out
0.600 × 0.802 liveness
+ 0.200 × 0.449 latency p95
+ 0.200 × 1.000 price stability
= 0.771 → UNRATED: 31 of 30 paid calls weights 2026.09.6 · 31 samples · seed cap_01M2F743WZDGQ9706KQ06V2B01|2026-08-31T09:55:37.095Z|2026.09.6
Verify it yourself
npx teppi-check https://phion.systems/v1/paid/trust/agent-task-handoff-receiptcurl -s https://api.teppi.xyz/v1/trust/cap_01M2F743WZDGQ9706KQ06V2B01