Catalog session #694

go-net/http 1.27.1 on Alpine Linux 3.24.1, driven via no-alpn — identity declared before the run, captured through the live edge.

Verification	controlled
Runner	container
Registered	2026-09-02 22:05
Captured	2026-09-02 22:05
Driver	`capture-matrix/e36a43c`
Run	`probe-2026-09-03-075256`
Mode	`prod`
Image	`fpcap-go-http-noalpn`
Image digest	`sha256:7f344b86cc66abf42f1364097de5506b336bd9933e9d8c843ab8dec974206329`
Matrix SHA-256	`945e086cae01`
Raw client version	`go version go1.27.1 linux/amd64`
Requested version	`1.27.1`
Released	`2026-08-28T16:20:06Z`

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.

2026-09-02 22:05 · page · tcp (HTTP/1.1) · thumbprint.me

TLS ClientHello (JA4)	`t13d131100_f57a46bbacb6_f50d94e863eb`
HTTP request (JA4H)	`ge11nn030000_cd680697de12_000000000000_000000000000`
TCP SYN (p0f)	`4:54+10:0:1460:mss*44,10:mss,sok,ts,nop,ws:df,id+:0`
TCP SYN (JA4T)	`64240_2-4-8-1-3_1460_10`
User-Agent	`Go-http-client/1.1`

verbatim wire tuple (immutable evidence, includes raw variants)

{
  "ja4": "t13d131100_f57a46bbacb6_f50d94e863eb",
  "ja4_o": "t13d131100_45672f90a73c_1c4e93964491",
  "ja4_r": "t13d131100_1301,1302,1303,c009,c00a,c013,c014,c02b,c02c,c02f,c030,cca8,cca9_0005,000a,000b,000d,0012,0017,002b,0032,0033,ff01_0904,0905,0906,0804,0403,0807,0805,0806,0401,0501,0601,0503,0603",
  "ja4_ro": "t13d131100_c02b,c02f,c02c,c030,cca9,cca8,c009,c013,c00a,c014,1301,1302,1303_0000,000b,ff01,0017,0012,0005,000a,000d,0032,002b,0033_0904,0905,0906,0804,0403,0807,0805,0806,0401,0501,0601,0503,0603",
  "ja4h": "ge11nn030000_cd680697de12_000000000000_000000000000",
  "ja4h_r": "ge11nn030000_Host,User-Agent,Accept-Encoding__",
  "tcp_ja4t": "64240_2-4-8-1-3_1460_10",
  "tcp_p0f": "4:54+10:0:1460:mss*44,10:mss,sok,ts,nop,ws:df,id+:0",
  "tls_cipher": "TLS_AES_128_GCM_SHA256",
  "tls_version": "TLSv1.3",
  "user_agent": "Go-http-client/1.1"
}

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