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PROJECT DOSSIER

ACTIVEPROJECT 12

SYSTEMS ENGINEERING RECORD

TimeTrackDB

A local-first PostgreSQL and TimescaleDB event warehouse with immutable ingestion, versioned current truth, and safe rollback.

RoleCreator · data architecture, ETL design, and operational recovery

ImpactBuilt a local-first event warehouse that preserves immutable source evidence, reconciles changing exports into current truth, and supports audited point-in-time rollback.

  • Python
  • PostgreSQL
  • TimescaleDB
  • ETL
  • Temporal Data
  • Data Lineage

andrew Project record ·

TimeTrackDB: A Reversible Event Refinery IMAGETimeTrackDB: A Reversible Event Refinery

TECHNICAL RECORD

Documentation

2 records

Curated explanations, architecture notes, and reference material.

Article · Thursday 27th of August, year 2026

TimeTrackDB: A Local-First Warehouse for Events That Change

Project overview

TimeTrackDB preserves the uncertainty and history hidden inside changing event exports.

An overview of Bronze and Silver storage, configuration-driven adapters, quarantine, auditing, and rollback.

Open record

Article · Friday 28th of August, year 2026

Adapters as Contracts, Not Escape Hatches

Architecture deep dive

A second event domain proves that extensibility can add meaning without weakening lineage or validation.

Open record
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