---
title: "Building on the Codex Harness"
category: "talks"
date: "2026-06-30"
time: "3:45pm-4:05pm"
track: "Expo Stage 2 NW"
room: "Expo Stage 2 NW"
speakers: ["Dominik Kundel"]
sourceLabels: ["Official conference schedule", "Public YouTube metadata"]
scheduleTrack: ""
scheduleRoom: "Expo Stage 2 NW"
scheduleLabels: ["Expo Stage 2 NW", "session", "confirmed"]
---
# Building on the Codex Harness

## Conference Context
- Date/time: 2026-06-30 · 3:45pm-4:05pm
- Track/room: track TBD · Expo Stage 2 NW
- Speaker(s): Dominik Kundel
- Session type/status: session · confirmed

- Track: track TBD
- Room: Expo Stage 2 NW
- Session type: session
- Status: confirmed

## Session Description
No official description published in the schedule data.

## Media Evidence
[Building voice agents with OpenAI — Dominik Kundel, OpenAI](https://www.youtube.com/watch?v=iXhba366fQc) (speaker-match related prior/adjacent AI Engineer video; captions: English auto-captions).

- Source video: `youtube-iXhba366fQc`
- Slide deck: [[youtube-iXhba366fQc-dense-slides|Dense Slides: Building voice agents with OpenAI — Dominik Kundel, OpenAI]] — 4 visible slide image(s); 4 HTML recreation(s).
![[assets/dense-slides/iXhba366fQc/slide-001.jpg]]
![[assets/dense-slides/iXhba366fQc/slide-002.jpg]]
![[assets/dense-slides/iXhba366fQc/slide-003.jpg]]
- Additional slide evidence: [[youtube-iXhba366fQc-slides|Slides: Building voice agents with OpenAI — Dominik Kundel, OpenAI]], [[youtube-iXhba366fQc-reconstructed-slides|Reconstructed Slides: Building voice agents with OpenAI — Dominik Kundel, OpenAI]]
- Slide-derived themes for `youtube-iXhba366fQc`: than, complex, personalized, github, voice, provide, wide, range.

## Evidence Graph
This evidence graph is generated from currently linked source material: official schedule text, related video pages, cached transcripts, visible slide text, dense/reconstructed slide pages, and AI slide-classification audits.

### Media Signals
- `youtube-iXhba366fQc` — 9 slide-derived text signals
- Slide-derived themes for `youtube-iXhba366fQc`: than, complex, personalized, github, voice, provide, wide, range.
- Evidence links for `youtube-iXhba366fQc`: [[youtube-iXhba366fQc]], [[youtube-iXhba366fQc-slides]], [[youtube-iXhba366fQc-dense-slides]], [[youtube-iXhba366fQc-reconstructed-slides]]

### Agent Reading Notes
Use these signals to refine the synopsis, topic links, people/company context, and method notes. If a source is a related external video rather than an exact official recording, keep it framed as supporting evidence.

## Transcript Status
Related video transcript availability: English auto-captions. Treat this as supporting context, not a recording of this exact scheduled session unless later confirmed. Not fetched yet.

## People
- [[dominik-kundel]]

## Supporting Slides
- [[youtube-iXhba366fQc-slides]] — extracted from the related public AI Engineer video.

## Slide Evidence
- Slide-only cropped deck: [[youtube-iXhba366fQc-dense-slides]] (4 viable slide images).
- Related slide/OCR pages:
- [[youtube-iXhba366fQc-dense-slides]]
- [[youtube-iXhba366fQc-reconstructed-slides]]
- [[youtube-iXhba366fQc-slides]]
- Slide-derived terms: `complex`, `fair`, `voice`, `parts`, `traces`, `world`, `than`, `personalized`, `conversations`, `dealing`, `support`, `okct`, `aine`, `ronteto`, `mdaily`, `augmentcode`, `workos`, `started`

## Synthesis
### Synthesized Breakdown
# Building on the Codex Harness ## Conference Context - Date/time: 2026-06-30 · 3:45pm-4:05pm - Track/room: track TBD · Expo Stage 2 NW - Speaker(s): Dominik Kundel - Session type/status: session · confirmed - Track: track TBD - Room: Expo Stage 2 NW - Session type: session - Status: confirmed ## Session Description No official description published in the schedule data. ## Media Evidence [Building voice agents with OpenAI — Dominik Kundel, OpenAI](https://www.youtube.com/watch?v=iXhba366fQc) (speaker-match related prior/adjacent AI Engineer video; captions: English auto-captions). - Source video: `youtube-iXhba366fQc` - Slide deck: [[youtube-iXhba366fQc-dense-slides|Dense Slides: Building voice agents with OpenAI — Dominik Kundel, OpenAI]] — 4 visible slide image(s); 4 HTML recreation(s). ![[assets/dense-slides/iXhba366fQc/slide-001.jpg]] ![[assets/dense-slides/iXhba366fQc/slide-002.jpg]] ![[assets/dense-slides/iXhba366fQc/slide-003.jpg]] - Additional slide evidence: [[youtube-iXhba366fQc-slides|Slides: Building voice agents with OpenAI — Dominik Kundel, OpenAI]], [[youtube-iXhba366fQc-reconstructed-slides|Reconstructed Slides: Building voice agents with OpenAI — Dominik Kundel, OpenAI]] - Slide-derived themes for `youtube-iXhba366fQc`: than, complex, personalized, github, voice, provide, wide, range.

### Speaker And Company Context
- [[dominik-kundel|Dominik Kundel]] — Developer Experience Lead at [[openai|OpenAI]].

### Topics Covered
- [[coding-agents]]

### Derived Links And Source Material
- [[youtube-iXhba366fQc]] — related YouTube source page.
- [[youtube-iXhba366fQc-slides]] — slide evidence.
- [[youtube-iXhba366fQc-reconstructed-slides]] — slide evidence.
- [[youtube-iXhba366fQc-dense-slides]] — slide evidence.

### Novel Concepts / Clever Methods
- No highlighted novel concept has been detected yet.

### Evidence Boundary
This synthesis is based on the official schedule and linked source pages. It should be revisited when exact session recordings or transcript-backed secondary sources are available.