Catalog session #740

firefox 155.0 on Ubuntu 24.04, driven via geckodriver — identity declared before the run, captured through the live edge.

Verification	controlled
Runner	ci
Registered	2026-09-14 22:55
Captured	2026-09-14 22:55
Driver	`capture-ci/f50145c`
Run	`delta-2026-09-14`
Mode	`prod`
Runner	`github-actions`
Image	`ubuntu24/20260907.300.1`
Matrix SHA-256	`23f7c2d05d4f`
Raw client version	`Mozilla Firefox 155.0`

Captures (6)

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.

2026-09-14 22:55 · page · quic (HTTP/3) · thumbprint.me

TLS ClientHello (JA4)	`q13d0315h3_55b375c5d22e_dc5437974b47`
HTTP request (JA4H)	`ge30nn10enus_9fcbd3f1e2d6_000000000000_000000000000`
QUIC transport params	`q13_c3e7031b10dc`
User-Agent	`Mozilla/5.0 (X11; Linux x86_64; rv:155.0) Gecko/20100101 Firefox/155.0`

verbatim wire tuple (immutable evidence, includes raw variants)

{
  "alpn": "h3",
  "ja4": "q13d0315h3_55b375c5d22e_dc5437974b47",
  "ja4_o": "q13d0315h3_85902d7a8465_c97254fb0e96",
  "ja4_r": "q13d0315h3_1301,1302,1303_0005,000a,000d,0017,001b,001c,0022,002b,002d,0033,0039,fe0d,ff01_0403,0503,0603,0203,0804,0805,0806,0401,0501,0601,0201",
  "ja4_ro": "q13d0315h3_1301,1303,1302_001b,002d,002b,0022,000d,0010,0017,0000,0005,001c,ff01,000a,0033,0039,fe0d_0403,0503,0603,0203,0804,0805,0806,0401,0501,0601,0201",
  "ja4h": "ge30nn10enus_9fcbd3f1e2d6_000000000000_000000000000",
  "ja4h_r": "ge30nn10enus_user-agent,accept,accept-language,accept-encoding,upgrade-insecure-requests,sec-fetch-dest,sec-fetch-mode,sec-fetch-site,sec-fetch-user,priority__",
  "quic_tp": "q13_c3e7031b10dc",
  "quic_tp_r": "q13_0001,0004,0005,0006,0007,0008,0009,000b,000e,000f,0011,001d,0020",
  "tls_cipher": "TLS_AES_128_GCM_SHA256",
  "tls_version": "TLSv1.3",
  "user_agent": "Mozilla/5.0 (X11; Linux x86_64; rv:155.0) Gecko/20100101 Firefox/155.0"
}

2026-09-14 22:55 · probe · quic (HTTP/3) · rq.thumbprint.me

TLS ClientHello (JA4)	`q13d0315h3_55b375c5d22e_dc5437974b47`
HTTP request (JA4H)	`ge30nr11enus_682746cd438e_000000000000_000000000000`
QUIC transport params	`q13_c3e7031b10dc`
User-Agent	`Mozilla/5.0 (X11; Linux x86_64; rv:155.0) Gecko/20100101 Firefox/155.0`

verbatim wire tuple (immutable evidence, includes raw variants)

{
  "alpn": "h3",
  "ja4": "q13d0315h3_55b375c5d22e_dc5437974b47",
  "ja4_o": "q13d0315h3_85902d7a8465_cd7df935e427",
  "ja4_r": "q13d0315h3_1301,1302,1303_0005,000a,000d,0017,001b,001c,0022,002b,002d,0033,0039,fe0d,ff01_0403,0503,0603,0203,0804,0805,0806,0401,0501,0601,0201",
  "ja4_ro": "q13d0315h3_1301,1303,1302_002b,0033,000a,0000,0010,002d,001c,0017,0022,0005,ff01,000d,001b,0039,fe0d_0403,0503,0603,0203,0804,0805,0806,0401,0501,0601,0201",
  "ja4h": "ge30nr11enus_682746cd438e_000000000000_000000000000",
  "ja4h_r": "ge30nr11enus_user-agent,accept,accept-language,accept-encoding,origin,sec-fetch-dest,sec-fetch-mode,sec-fetch-site,priority,pragma,cache-control__",
  "quic_tp": "q13_c3e7031b10dc",
  "quic_tp_r": "q13_0001,0004,0005,0006,0007,0008,0009,000b,000e,000f,0011,001d,0020",
  "tls_cipher": "TLS_AES_128_GCM_SHA256",
  "tls_version": "TLSv1.3",
  "user_agent": "Mozilla/5.0 (X11; Linux x86_64; rv:155.0) Gecko/20100101 Firefox/155.0"
}

2026-09-14 22:55 · probe · quic (HTTP/3) · h3.thumbprint.me

TLS ClientHello (JA4)	`q13d0315h3_55b375c5d22e_dc5437974b47`
HTTP request (JA4H)	`ge30nr09enus_a060b6642c5e_000000000000_000000000000`
QUIC transport params	`q13_c3e7031b10dc`
User-Agent	`Mozilla/5.0 (X11; Linux x86_64; rv:155.0) Gecko/20100101 Firefox/155.0`

verbatim wire tuple (immutable evidence, includes raw variants)

{
  "alpn": "h3",
  "ja4": "q13d0315h3_55b375c5d22e_dc5437974b47",
  "ja4_o": "q13d0315h3_85902d7a8465_c66fc0b095bf",
  "ja4_r": "q13d0315h3_1301,1302,1303_0005,000a,000d,0017,001b,001c,0022,002b,002d,0033,0039,fe0d,ff01_0403,0503,0603,0203,0804,0805,0806,0401,0501,0601,0201",
  "ja4_ro": "q13d0315h3_1301,1303,1302_000d,002d,002b,0022,0033,000a,0017,0000,001c,0010,0005,001b,ff01,0039,fe0d_0403,0503,0603,0203,0804,0805,0806,0401,0501,0601,0201",
  "ja4h": "ge30nr09enus_a060b6642c5e_000000000000_000000000000",
  "ja4h_r": "ge30nr09enus_user-agent,accept,accept-language,accept-encoding,origin,sec-fetch-dest,sec-fetch-mode,sec-fetch-site,priority__",
  "quic_tp": "q13_c3e7031b10dc",
  "quic_tp_r": "q13_0001,0004,0005,0006,0007,0008,0009,000b,000e,000f,0011,001d,0020",
  "tls_cipher": "TLS_AES_128_GCM_SHA256",
  "tls_version": "TLSv1.3",
  "user_agent": "Mozilla/5.0 (X11; Linux x86_64; rv:155.0) Gecko/20100101 Firefox/155.0"
}

2026-09-14 22:55 · probe · tcp (HTTP/2) · h2.thumbprint.me

TLS ClientHello (JA4)	`t13d1517h2_8daaf6152771_3cbfd9057e0d`
HTTP request (JA4H)	`ge20nr10enus_b3034183f430_000000000000_000000000000`
HTTP/2 frames (Akamai)	`1:65536;2:0;4:131072;5:16384\|12517377\|3:0:0:22\|m,p,a,s`
TCP SYN (p0f)	`4:48+16:0:1440:mss*44,10:mss,sok,ts,nop,ws:df,id+:0`
TCP SYN (JA4T)	`64240_2-4-8-1-3_1440_10`
User-Agent	`Mozilla/5.0 (X11; Linux x86_64; rv:155.0) Gecko/20100101 Firefox/155.0`

verbatim wire tuple (immutable evidence, includes raw variants)

{
  "akamai_h2": "1:65536;2:0;4:131072;5:16384|12517377|3:0:0:22|m,p,a,s",
  "alpn": "h2",
  "ja4": "t13d1517h2_8daaf6152771_3cbfd9057e0d",
  "ja4_o": "t13d1517h2_77608d807651_df135d36b6d5",
  "ja4_r": "t13d1517h2_002f,0035,009c,009d,1301,1302,1303,c013,c014,c02b,c02c,c02f,c030,cca8,cca9_0005,000a,000b,000d,0012,0017,001b,001c,0022,0023,002b,002d,0033,fe0d,ff01_0403,0503,0603,0804,0805,0806,0401,0501,0601,0203,0201",
  "ja4_ro": "t13d1517h2_1301,1303,1302,c02b,c02f,cca9,cca8,c02c,c030,c013,c014,009c,009d,002f,0035_0000,0017,ff01,000a,000b,0023,0010,0005,0022,0012,0033,002b,000d,002d,001c,001b,fe0d_0403,0503,0603,0804,0805,0806,0401,0501,0601,0203,0201",
  "ja4h": "ge20nr10enus_b3034183f430_000000000000_000000000000",
  "ja4h_r": "ge20nr10enus_user-agent,accept,accept-language,accept-encoding,origin,sec-fetch-dest,sec-fetch-mode,sec-fetch-site,priority,te__",
  "tcp_ja4t": "64240_2-4-8-1-3_1440_10",
  "tcp_p0f": "4:48+16:0:1440:mss*44,10:mss,sok,ts,nop,ws:df,id+:0",
  "tls_cipher": "TLS_AES_128_GCM_SHA256",
  "tls_version": "TLSv1.3",
  "user_agent": "Mozilla/5.0 (X11; Linux x86_64; rv:155.0) Gecko/20100101 Firefox/155.0"
}

2026-09-14 22:55 · probe · tcp (HTTP/1.1) · r.thumbprint.me

TLS ClientHello (JA4)	`t13d1517h2_8daaf6152771_3cbfd9057e0d`
HTTP request (JA4H)	`ge11nr13enus_69d9b62bd039_000000000000_000000000000`
User-Agent	`Mozilla/5.0 (X11; Linux x86_64; rv:155.0) Gecko/20100101 Firefox/155.0`

verbatim wire tuple (immutable evidence, includes raw variants)

{
  "alpn": "http/1.1",
  "ja4": "t13d1517h2_8daaf6152771_3cbfd9057e0d",
  "ja4_o": "t13d1517h2_77608d807651_df135d36b6d5",
  "ja4_r": "t13d1517h2_002f,0035,009c,009d,1301,1302,1303,c013,c014,c02b,c02c,c02f,c030,cca8,cca9_0005,000a,000b,000d,0012,0017,001b,001c,0022,0023,002b,002d,0033,fe0d,ff01_0403,0503,0603,0804,0805,0806,0401,0501,0601,0203,0201",
  "ja4_ro": "t13d1517h2_1301,1303,1302,c02b,c02f,cca9,cca8,c02c,c030,c013,c014,009c,009d,002f,0035_0000,0017,ff01,000a,000b,0023,0010,0005,0022,0012,0033,002b,000d,002d,001c,001b,fe0d_0403,0503,0603,0804,0805,0806,0401,0501,0601,0203,0201",
  "ja4h": "ge11nr13enus_69d9b62bd039_000000000000_000000000000",
  "ja4h_r": "ge11nr13enus_Host,User-Agent,Accept,Accept-Language,Accept-Encoding,Origin,Connection,Sec-Fetch-Dest,Sec-Fetch-Mode,Sec-Fetch-Site,Priority,Pragma,Cache-Control__",
  "tls_cipher": "TLS_AES_128_GCM_SHA256",
  "tls_version": "TLSv1.3",
  "user_agent": "Mozilla/5.0 (X11; Linux x86_64; rv:155.0) Gecko/20100101 Firefox/155.0"
}

2026-09-14 22:55 · probe · tcp (HTTP/1.1) · r.thumbprint.me

TLS ClientHello (JA4)	`t13d1517h2_8daaf6152771_e6dcd7ae0a9e`
HTTP request (JA4H)	`ge11nr13enus_69d9b62bd039_000000000000_000000000000`
User-Agent	`Mozilla/5.0 (X11; Linux x86_64; rv:155.0) Gecko/20100101 Firefox/155.0`

verbatim wire tuple (immutable evidence, includes raw variants)

{
  "alpn": "http/1.1",
  "ja4": "t13d1517h2_8daaf6152771_e6dcd7ae0a9e",
  "ja4_o": "t13d1517h2_77608d807651_8c4073ab6113",
  "ja4_r": "t13d1517h2_002f,0035,009c,009d,1301,1302,1303,c013,c014,c02b,c02c,c02f,c030,cca8,cca9_0005,000a,000b,000d,0012,0017,001b,001c,0022,0029,002b,002d,0033,fe0d,ff01_0403,0503,0603,0804,0805,0806,0401,0501,0601,0203,0201",
  "ja4_ro": "t13d1517h2_1301,1303,1302,c02b,c02f,cca9,cca8,c02c,c030,c013,c014,009c,009d,002f,0035_0000,0017,ff01,000a,000b,0010,0005,0022,0012,0033,002b,000d,002d,001c,001b,fe0d,0029_0403,0503,0603,0804,0805,0806,0401,0501,0601,0203,0201",
  "ja4h": "ge11nr13enus_69d9b62bd039_000000000000_000000000000",
  "ja4h_r": "ge11nr13enus_Host,User-Agent,Accept,Accept-Language,Accept-Encoding,Origin,Connection,Sec-Fetch-Dest,Sec-Fetch-Mode,Sec-Fetch-Site,Priority,Pragma,Cache-Control__",
  "tls_cipher": "TLS_AES_128_GCM_SHA256",
  "tls_version": "TLSv1.3",
  "user_agent": "Mozilla/5.0 (X11; Linux x86_64; rv:155.0) Gecko/20100101 Firefox/155.0"
}