Tech Oriented Chronicles🔮 of Petros

Most systems already have logs. Can you prove that the logs you show today are the records the system wrote six months ago? Ed25519 signatures, a SHA 256 chain, canonical JSON, and the one SQL update that broke all of it. Part 2 of From Prompt to Proof.

Version one of my PII layer masked the words "tax number" and let the Greek AFM through. How I measured Presidio, the checksum trap, and the threshold that silently detects nothing. Part 1 of From Prompt to Proof.

My real production workflow for shipping features with AI agents: 3 terminals, PID-like feedback loops, independent review, and quality gates. No vibe coding-just controlled engineering that serves real users.

Looking back at my 10 predictions for 2025 to see what came true, what missed the mark, and why

Highlights from my first PyCon talk, the magic of the community, the probabilistic nature of AI, and a tour of the multi-agent repo I demoed.

A concise primer on Docker Model Runner-the new beta in Docker Desktop that lets you pull, cache, and serve LLMs straight from Docker Hub through an OpenAI-compatible API.

MCP vs ACP: AI Protocols for Context and Agent Orchestration

Building Sustainable Software in a Changing Landscape

Building Sustainable Software in a Changing Landscape

Design and Development of a Digital Twin of an Electric Vehicle's Batteries.