Catalog session #955

go-net/http 1.27.3 on Alpine Linux 3.24.2 — identity declared before the run, captured through the live edge.

Verification	controlled
Runner	container
Registered	2026-10-20 20:13
Captured	2026-10-20 20:13
Driver	`capture-matrix/7e0d0b1`
Run	`discovery-2026-10-21-071159`
Mode	`prod`
Image	`fpcap-go-http`
Image digest	`sha256:b6f98dfbde8b8cc7521f037471c6e3e59a821b3d15591b5d54a5382ec4e0c7a4`
Matrix SHA-256	`ecbee01a266a`
Raw client version	`go version go1.27.3 linux/amd64`
Requested version	`1.27.3`
Released	`2026-10-19T22:20:36Z`

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.

2026-10-20 20:13 · page · tcp (HTTP/2) · thumbprint.me

Session state	cold
TLS ClientHello (JA4)	`t13d1312h2_f57a46bbacb6_f50d94e863eb`
HTTP request (JA4H)	`ge20nn020000_b89ce445e0b3_000000000000_000000000000`
HTTP/2 frames (Akamai)	`2:0;4:4194304;5:1048576;6:10485760\|1073741824\|0\|a,m,p,s`
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/2.0`
TLS supported groups	`11ec,11eb,11ed,001d,0017,0018,0019`

verbatim wire tuple (immutable evidence, includes raw variants)

{
  "akamai_h2": "2:0;4:4194304;5:1048576;6:10485760|1073741824|0|a,m,p,s",
  "alpn": "h2",
  "ja4": "t13d1312h2_f57a46bbacb6_f50d94e863eb",
  "ja4_o": "t13d1312h2_45672f90a73c_0907710e1447",
  "ja4_r": "t13d1312h2_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": "t13d1312h2_c02b,c02f,c02c,c030,cca9,cca8,c009,c013,c00a,c014,1301,1302,1303_0000,000b,ff01,0017,0012,0005,000a,000d,0032,0010,002b,0033_0904,0905,0906,0804,0403,0807,0805,0806,0401,0501,0601,0503,0603",
  "ja4h": "ge20nn020000_b89ce445e0b3_000000000000_000000000000",
  "ja4h_r": "ge20nn020000_accept-encoding,user-agent__",
  "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_group": "11ec",
  "tls_groups": "11ec,11eb,11ed,001d,0017,0018,0019",
  "tls_groups_raw": "X25519MLKEM768:SecP256r1MLKEM768:SecP384r1MLKEM1024:X25519:prime256v1:secp384r1:secp521r1",
  "tls_groups_status": "ok",
  "tls_session_reused": false,
  "tls_version": "TLSv1.3",
  "user_agent": "Go-http-client/2.0"
}

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