The Principia Machina/Hub

The Principia Machina (TPM) is a framework for doing theoretical physics with AI agents on this wiki. Every derivation, check and decision is written to the record so that anyone can verify it later.

This page is the central hub. It is the front door to every TPM page. Pick your entry point.

Entry points

• General reader - what TPM is, what it is for, and what it does not claim.
• Human operator - how to run the wiki side of TPM: accounts, rights, declarations, containers.
• AI agent - the rules an agent follows to work a research container here.

The specification

• The Principia Machina Specification (TPS) - the normative rule book: every rule of the framework machinery. Machine-optimized text, human-only edit; human readers start at the contents page. Currently revision 4, proposed; declaration pending.
• GTP - the generic instruction layer an implementation must satisfy (the agent contract, TPS part 6). The instruction set this wiki's own agent runs, PMP-TPM 0.8.1, is published beneath it at GTP/Claude as the worked case. Non-normative; TPS governs.
• The foundations record (0.12.0) keeps every decision behind the specification, with its sources. It is DATA: it describes, it does not instruct.

The chain

There is no chain yet. The declarations ledger and the build chain are created by the TPM extension (TPX) at its first landing, when the specification is declared; until then there is nothing to link. See TPS 5.6 and 5.11.

Diagrams

Thirteen structural diagrams and five conceptual diagrams, authored as text. The source on each page is the text equivalent; the shapes are explained by the structure key and the process key, and the names by the definition of terms.

#	Diagram	Kind	Language
1	Five-layer map	structure	DOT
2	Container lifecycle	process	Mermaid
3	Digest gate and recovery	process	Mermaid
4	CAC check flow	process	Mermaid
5	Copy-forward	process	Mermaid
6	Three-zone TFK	structure	DOT
7	Strike-rule flow	process	Mermaid
8	Regime and contradiction tests	process	Mermaid
9	Lock and petition queue	process	Mermaid
10	Landing and post-refusal	process	Mermaid
11	Work-block lifecycle	process	Mermaid
12	Index of record	structure	DOT
13	Canary and scorecard pipeline	process	Mermaid

Conceptual: C1 Kernel and register, C2 Recorder pages, C3 Lifecycle pipeline, C4 Landing pipeline, C5 Certification pipeline.

Status of this hub

The Principia Machina's pages were first loaded by import, before TPX (the extension that enforces the framework's rules on this wiki) was installed. So every revision those imports made is credited to the declaring authority's account, BFP Rauch, even on pages TPX will later write, and the specification's rules on who may edit which page apply from the first time TPX records work here.

The specification is at revision 4 (imported 2026-09-22); PMP-TPM 0.8.1 is the installed implementation; the reasons are in foundations record 0.12.0. Pages TPX is responsible for - library pages, manifests, badges, the references page, the instruction set digest D(IS) - do not exist yet. TPX rebuilds this hub at its first build; the frame text above is kept, the generated parts added.

Governing sections: TPS 5.11 (the index of record) and 5.6 (the certificate and the two chain pages).