User-Agent

Mozilla/5.0 (research crawler; HN narrative experiment)

first seen 2026-10-12 16:57 · last seen 2026-10-12 16:57 · JSON

Distinct clients per day (last 30 days, peak 1/day)

Distinct clients are counted by IP-hash per complete UTC day — unlike observation counts this is insensitive to one chatty client, but NAT merges clients and address rotation splits them.

Decomposed attributes

Browser / clientresearch crawler
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
t13d3013h1_1d37bd780c83_ecd0401ec68b1

HTTP request (JA4H)

fingerprintco-occurrences
ge11nn040000_e1d2031bdfea_000000000000_0000000000001

TCP SYN (p0f)

fingerprintco-occurrences
6:58+6:0:1220:65535,9:mss,sok,ts,nop,ws:flow:01

TCP SYN (JA4T)

fingerprintco-occurrences
65535_2-4-8-1-3_1220_91

Country

fingerprintco-occurrences
US · United States1

Network (ASN)

fingerprintco-occurrences
AS54113 · Fastly, Inc.1