Catalog session #970

winhttp 10.0.20348.1 on Windows 10.0.20348.5761 — identity declared before the run, captured through the live edge.

Verification	controlled
Runner	ci
Registered	2026-10-26 20:08
Captured	2026-10-26 20:08
Driver	`capture-ci/5276b01`
Run	`delta-2026-10-26`
Mode	`prod`
Runner	`github-actions`
Image	`win22/20261022.344.1`
Matrix SHA-256	`597cd3854034`
Raw client version	`winhttp.dll 10.0.20348.1 (WinBuild.160101.0800)`

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.

2026-10-26 20:08 · page · tcp (HTTP/2) · thumbprint.me

Session state	cold
TLS ClientHello (JA4)	`t13d2013h2_2b729b4bf6f3_e24568c0d440`
HTTP request (JA4H)	`ge20nn010000_a510e5066512_000000000000_000000000000`
HTTP/2 frames (Akamai)	`2:0;4:10485760\|10420225\|0\|m,p,a,s`
TCP SYN (p0f)	`4:113+15:0:1440:mss*44,8:mss,nop,ws,nop,nop,sok:df,id+,ecn:0`
TCP SYN (JA4T)	`64240_2-1-3-1-1-4_1440_8`
User-Agent	`WinHTTP/10.0.20348.1`
TLS supported groups	`001d,0017,0018`

verbatim wire tuple (immutable evidence, includes raw variants)

{
  "akamai_h2": "2:0;4:10485760|10420225|0|m,p,a,s",
  "alpn": "h2",
  "ja4": "t13d2013h2_2b729b4bf6f3_e24568c0d440",
  "ja4_o": "t13d2013h2_1079d97b4c9b_53aa1bee5020",
  "ja4_r": "t13d2013h2_002f,0035,003c,003d,009c,009d,1301,1302,c009,c00a,c013,c014,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": "t13d2013h2_1302,1301,c02c,c02b,c030,c02f,c024,c023,c028,c027,c00a,c009,c014,c013,009d,009c,003d,003c,0035,002f_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": "ge20nn010000_a510e5066512_000000000000_000000000000",
  "ja4h_r": "ge20nn010000_user-agent__",
  "tcp_ja4t": "64240_2-1-3-1-1-4_1440_8",
  "tcp_p0f": "4:113+15:0:1440:mss*44,8:mss,nop,ws,nop,nop,sok:df,id+,ecn:0",
  "tls_cipher": "TLS_AES_256_GCM_SHA384",
  "tls_group": "001d",
  "tls_groups": "001d,0017,0018",
  "tls_groups_raw": "X25519:prime256v1:secp384r1",
  "tls_groups_status": "ok",
  "tls_session_reused": false,
  "tls_version": "TLSv1.3",
  "user_agent": "WinHTTP/10.0.20348.1"
}

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