Endpoint · onchainPOSTfractalai.net.co /api/x402/seal
Pay-per-Seal: one post-quantum (Dilithium-3) provenance seal + a self-contained ML-DSA-65/Dilithium-3 (NIST FIPS 204) signature — drand-timestamped and on-chain-anchored — over a…
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Pay-per-Seal: one post-quantum (Dilithium-3) provenance seal + a self-contained ML-DSA-65/Dilithium-3 (NIST FIPS 204) signature — drand-timestamped and on-chain-anchored — over a dataset/training/content hash. EU AI Act (Art. 10/50/53) provenance for autonomous agents, x402-native.Overview
Grade?
UNRATED
0 of 30 paid calls toward a letter
Price
$0.05 per call
Paid calls
none yet
delivery unknown until someone pays
More info
Seller?
URL
https://fractalai.net.co/api/x402/seal
Seen
first 18 days ago · last 10 hr ago
33 free handshakes
Payment
Pays through
x402
Offered on?
Base USDC
Listed on?
Base
Score, from free handshakes onlyweights 2026.09.6
UN
RATED
RATED
0.775 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 0.225: 0.167 uncertain ? + 0.058 short ? · 0.025 to B
| Component | Weight | Measured | Lower bound ? | Adds | Short ? | Uncertain ? | |
|---|---|---|---|---|---|---|---|
| livenesscosts the most it answered at all |
0.60 | 1.00 | 0.772 | 0.463 | 0 | −0.137 | |
| latency p95 it answered as fast as its class |
0.20 | 0.71 | 0.557 | 0.111 | −0.058 | −0.030 | |
| price stability the price stayed where it was listed |
0.20 | 1.00 | 1.000 | 0.200 | 0 | 0 | |
| Composite | 1.00 | 0.775 | gap to 1.000 = 0.225 · 0.058 short · 0.167 uncertain | 0.775 | −0.058 | −0.167 |
Not measured: correctness · nobody paid; honesty · nobody paid; schema conformance · no answer had a published shape to check
The multiplication, written out
0.600 × 0.772 liveness
+ 0.200 × 0.557 latency p95
+ 0.200 × 1.000 price stability
= 0.775 → UNRATED: 27 of 30 paid calls weights 2026.09.6 · 27 samples · seed cap_01M2MBVATDX0G70RGCJ01DHJKE|2026-08-31T08:45:51.752Z|2026.09.6
Verify it yourself
npx teppi-check https://fractalai.net.co/api/x402/sealcurl -s https://api.teppi.xyz/v1/trust/cap_01M2MBVATDX0G70RGCJ01DHJKE