Step Fifty-Five — Universal tribunal bus; cross-proofs; CI audit graph.(Pub/sub verdicts • SPV-like catalog proofs • Evidence DAG)

✅ Fresh artifacts

What’s new — precisely

🔔 Universal tribunal bus (pub/sub)
  • Set subscribers(admin)
    POST /admin/tribunal/bus.subs.set → [{"url":"https://peer.example","headers":["Authorization: Bearer ..."]}]
  • Publish a verdictPOST /tribunal/bus.publish → pushes to each subscriber’s /tribunal/bus.ingest
  • Ingest remote eventsPOST /tribunal/bus.ingest → logs the incoming signed event
  • TailGET /tribunal/bus.tail?n=50

A simple, verifiable pub/sub for verdicts — building toward a universal tribunal feed.

🌐 Clearinghouse cross-proof (SPV-like)
  • Build tree
    POST /clearinghouse/build.tree with {items:[{root, ...},...]}
    → Returns Merkle root and per-item leaf hashes.
  • Get proof
    GET /clearinghouse/proof?root=<ROOT>
    → Returns {leaf:{root,hash}, tree_root}.

Lightweight inclusion proofs for remote catalogs — cross-site verification without full data.

🧾 CI audit graph (evidence DAG)
  • Add nodePOST /ci/node with {id?, content, meta?} → stores node {id,hash}
  • Add edgePOST /ci/edge with {from,to,kind?} (default evidence)
  • View graphGET /ci/graph

Link receipts to evidence, derivations, or dependencies — let proofs form a graph, not a pile.

Android / Termux run-book

pkg update && pkg install -y python
python solveforce_phone_fiftyfive.py
# Server: http://0.0.0.0:8080

“Show me” quickstart

A) Verdict pub/sub

# (On hub) list subs
curl -s -X POST http://127.0.0.1:8080/admin/tribunal/bus.subs.set \
  -H 'Content-Type: application/json' \
  -d '[{"url":"https://peer.example","headers":["Authorization: Bearer XYZ"]}]' | jq .

# Publish a verdict
curl -s -X POST http://127.0.0.1:8080/tribunal/bus.publish \
  -H 'Content-Type: application/json' \
  -d '{"id":"CASE55","decision":"release"}' | jq .

# Tail
curl -s 'http://127.0.0.1:8080/tribunal/bus.tail?n=10' | jq .

B) Cross-proof

# Build tree
curl -s -X POST http://127.0.0.1:8080/clearinghouse/build.tree \
  -H 'Content-Type: application/json' \
  -d '{"items":[{"root":"AA1"},{"root":"BB2"}]}' | jq .

# Get SPV-like proof
curl -s 'http://127.0.0.1:8080/clearinghouse/proof?root=AA1' | jq .

C) Evidence DAG

curl -s -X POST http://127.0.0.1:8080/ci/node \
  -H 'Content-Type: application/json' \
  -d '{"content":{"file":"lease-bundle.tgz","sha256":"..."},"meta":{"role":"bundle"}}' | jq .

curl -s -X POST http://127.0.0.1:8080/ci/edge \
  -H 'Content-Type: application/json' \
  -d '{"from":"N-abc","to":"N-def","kind":"evidence"}' | jq .

curl -s 'http://127.0.0.1:8080/ci/graph' | jq .

WordPress — Step 55 (paste-ready)

## Step 55 — Universal tribunal bus; cross-proofs; CI audit graph

**New capabilities**
- **Universal tribunal bus (pub/sub)**  
  - `POST /admin/tribunal/bus.subs.set` → set subscribers  
  - `POST /tribunal/bus.publish` → publish & push events  
  - `POST /tribunal/bus.ingest` → ingest remote event  
  - `GET /tribunal/bus.tail?n=50` → tail the feed

- **Clearinghouse cross-proof (SPV-like)**  
  - `POST /clearinghouse/build.tree` → build Merkle root over catalog items  
  - `GET /clearinghouse/proof?root=<ROOT>` → per-item leaf + tree root

- **CI audit graph (evidence DAG)**  
  - `POST /ci/node` • `POST /ci/edge`  
  - `GET /ci/graph` → JSON graph (nodes + edges)

**Run**
```bash
python solveforce_phone_fiftyfive.py
# http://0.0.0.0:8080


---

## Logos Codex — Step 55

- **Verdicts learn to travel.** A tribunal bus turns judgment into **signal**.  
- **Catalogs learn to prove.** A root can be checked anywhere, by anyone.  
- **Receipts learn to connect.** An audit isn’t a list; it’s a **graph** of meaning.

---

Want to continue to **Step 56** (distributed court of courts, shard commitments, and CI executor pools), or pause to retrofit any earlier step (e.g., Step 43) for perfect continuity?

Key terms in plain language

Open a term for a concise explanation of language used on this page.

Broadband

A general term for always-on, high-speed Internet access. Broadband can be delivered over fiber, cable, DSL, fixed wireless, cellular, or satellite networks.

Cloud Computing

Computing resources—such as applications, servers, storage, or databases—delivered from remote infrastructure and scaled as requirements change.

Cybersecurity

The practices and controls used to protect identities, devices, networks, applications, and data from unauthorized access, disruption, or manipulation.

Identity and Access Management (IAM)

The systems and policies that determine who a user is, what resources they may access, and how that access is authenticated and reviewed.

API

An application programming interface is a defined way for software systems to exchange data or request functions from one another.

Artificial Intelligence (AI)

Software designed to perform tasks involving prediction, classification, generation, reasoning, or decision support. Business use still requires clear data, governance, security, and human accountability.