User-Agent

DataFoundationResearch/0.1 (+contact@example.com)

first seen 2026-06-30 05:44 · last seen 2026-06-30 05:44 · JSON

Decomposed attributes

Browser / clientDataFoundationResearch 0.1
Noteinferred from the self-declared string — a claim, not a measurement; compare with the wire fingerprints above

Co-observed signals

Signals from other families seen in the same observation. A fingerprint spread thinly across many lower-layer signatures is a classic inconsistency signal.

TLS ClientHello (JA4)

fingerprintco-occurrences
t13d1713h1_ab0a1bf427ad_ecd0401ec68b Match?Exact match in Thumbprint's published controlled catalog captures: python-httpx 0.28.1.The fingerprint page shows the full measured match list. More on the catalog.2

HTTP request (JA4H)

fingerprintco-occurrences
he20nn030000_80b089f68b8e_000000000000_0000000000001
ge20nn030000_80b089f68b8e_000000000000_0000000000001

HTTP/2 frames (Akamai)

fingerprintco-occurrences
1:4096;2:0;4:65535;5:16384;3:100;6:65536|16777216|0|m,a,s,p Match?Exact match in Thumbprint's published controlled catalog captures: python-httpx 0.28.1.The fingerprint page shows the full measured match list. More on the catalog.2

TCP SYN (p0f)

fingerprintco-occurrences
6:41+23:0:1440:mss*45,10:mss,sok,ts,nop,ws:flow:02

TCP SYN (JA4T)

fingerprintco-occurrences
64800_2-4-8-1-3_1440_102

Country

fingerprintco-occurrences
DE · Germany2

Network (ASN)

fingerprintco-occurrences
AS24940 · Hetzner Online GmbH2