---
title: T0.2 请求指纹规范化格式决定
type: decision
permalink: main/projects/25464650-ed5d-440e-b362-190f2852d451/t0.2-请求指纹规范化格式决定
stable_id: e073d725-6d82-4461-9ff6-094dd8ecb578
scope: project
memory_type: decision
project_id: 25464650-ed5d-440e-b362-190f2852d451
usage_profile_id: 0c9feb46-d06e-43cd-9ef0-c5813c84a998
status: active
revision: 1
request_id: t02-decision-fingerprint-20260930
created_at: '2026-09-29T22:01:22.455378+00:00'
updated_at: '2026-09-29T22:01:22.455378+00:00'
tags:
- t02
- protocol
- fingerprint
---

T0.2 请求指纹：长度前缀串联 to.kind/to.id/body.enc/有效 content_type/解码正文/meta 规范 JSON/send_at_ms/delay_ms/有效 offline.keep/ttl/有效 receipt，再 SHA-256 小写 hex；不含 talk_password 与 rid。Marshal 去掉 Encoder 尾换行。见 docs/DEVIATIONS.md 总控 L T0.2。