pdf-header-sniff

Sniff PDF magic and approximate size from base64 prefix.

Sniff PDF magic and approximate size from base64 prefix. Call when rejecting non-PDF uploads before heavy OCR. Returns is_pdf and decoded_prefix_len as deterministic JSON for $0.001 USDC via x402 on Base. First-party local math only—no RPC, live market feed, API keys, storage, or mediagen. Advisory only; the caller owns capital, risk, and production controls.

UNRATEDDelisted

Overview

Grade?

UNRATED

0 of 30 paid calls toward a letter

Price

$0.001 per call

Paid calls

none yet

delivery unknown until someone pays

More info

Seller?

0x9f8bd987…175e73a2

URL

https://api.delx.ai/api/v1/x402/pdf-header-sniff

MCP server on this host: io.github.davidmosiah/delx-mcp-a2a

Seen

first 35 days ago · last 17 days ago

49 free handshakes

Payment

Pays through

x402 · MPP tempo

Offered on?

Base USDC, Solana, Tempo USDC.e

Listed on?

Base, Solana

Score, from free handshakes onlyweights 2026.09.4

UN
RATED

0.820 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 0.180: 0.117 uncertain ? + 0.064 short ? · 0.080 to A

How the composite of 0.820 is made up, part by part
Component	Weight	Measured	Lower bound ?		Adds	Short ?	Uncertain ?
latency p95costs the most it answered as fast as its class	0.20	0.68	0.474		0.095	−0.064	−0.042
liveness it answered at all	0.60	1.00	0.875		0.525	0	−0.075
price stability the price stayed where it was listed	0.20	1.00	1.000		0.200	0	0
Composite	1.00		0.820	gap to 1.000 = 0.180 · 0.064 short · 0.117 uncertain	0.820	−0.064	−0.117

Not measured: correctness · nobody paid; honesty · nobody paid; schema conformance · no answer had a published shape to check

The multiplication, written out

  0.200 × 0.474   latency p95    
+ 0.600 × 0.875   liveness       
+ 0.200 × 1.000   price stability
= 0.820           → UNRATED: 49 of 30 paid calls      weights 2026.09.4 · 49 samples · seed cap_01M1A5A63X5ZN8ETNMQ0JZWAS4|2026-08-26T05:02:34.413Z|2026.09.4

Verify it yourselfnpx teppi-check https://api.delx.ai/api/v1/x402/pdf-header-sniffcurl -s https://api.teppi.xyz/v1/trust/cap_01M1A5A63X5ZN8ETNMQ0JZWAS4