Catalog session #339

curl 8.16.0 on Windows 10.0.26100.32995 — identity declared before the run, captured through the live edge.

Verification	controlled
Runner	ci
Registered	2026-08-01 00:33
Captured	2026-08-01 00:33
Driver	`capture-ci/905db0d`
Run	`monthly-2026-08-01-101422`
Mode	`prod`
Runner	`github-actions`
Image	`win25-vs2026/20260714.173.1`
Matrix SHA-256	`49d61cee3187`
Raw client version	`curl 8.16.0 (Windows) libcurl/8.16.0 Schannel zlib/1.3.1 WinIDN`

Captures (1)

The first capture is the registration page view; probe captures are the beacon hitting each configured origin with this session's correlation id — for browsers that is how one session records both the TCP and QUIC stacks.

2026-08-01 00:33 · page · tcp (HTTP/1.1) · thumbprint.me

TLS ClientHello (JA4)	`t13d1013h1_01be160bb49b_e24568c0d440`
HTTP request (JA4H)	`ge11nn030000_fe444ad14866_000000000000_000000000000`
TCP SYN (p0f)	`4:110+18:0:1440:65535,8:mss,nop,ws,nop,nop,sok:df,id+,ecn:0`
TCP SYN (JA4T)	`65535_2-1-3-1-1-4_1440_8`
User-Agent	`curl/8.16.0`

verbatim wire tuple (immutable evidence, includes raw variants)

{
  "alpn": "http/1.1",
  "ja4": "t13d1013h1_01be160bb49b_e24568c0d440",
  "ja4_o": "t13d1013h1_8d8759d5f363_53aa1bee5020",
  "ja4_r": "t13d1013h1_1301,1302,c023,c024,c027,c028,c02b,c02c,c02f,c030_0005,000a,000b,000d,0017,0023,002b,002d,0031,0033,ff01_0804,0805,0806,0401,0501,0201,0403,0503,0203,0202,0601,0603",
  "ja4_ro": "t13d1013h1_1302,1301,c02c,c02b,c030,c02f,c024,c023,c028,c027_0000,0005,002b,000d,0023,000a,000b,0010,0033,0031,0017,ff01,002d_0804,0805,0806,0401,0501,0201,0403,0503,0203,0202,0601,0603",
  "ja4h": "ge11nn030000_fe444ad14866_000000000000_000000000000",
  "ja4h_r": "ge11nn030000_Host,User-Agent,Accept__",
  "tcp_ja4t": "65535_2-1-3-1-1-4_1440_8",
  "tcp_p0f": "4:110+18:0:1440:65535,8:mss,nop,ws,nop,nop,sok:df,id+,ecn:0",
  "tls_cipher": "TLS_AES_256_GCM_SHA384",
  "tls_version": "TLSv1.3",
  "user_agent": "curl/8.16.0"
}

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