# Vanheede–Naue recycled-HDPE meeting — 2026-09-14

Durable private real-world regression and reference case for an English meeting between Naue and Vanheede. The source recording contains non-native English speech; the persisted source metadata does not record speakers' native languages or accents, so those descriptions are retained only as the operator context that motivated preservation.

## Case metadata

- **Case ID:** `vanheede_naue_recycled_hdpe_2026-09-14`
- **Meeting/run:** `Vanheede and Naue, Recycling and Circular Economy` / `d7189066_2026-09-14_16-00-18_Recycled_HDPE_20260915_145952`
- **Source meeting date:** 2026-09-14
- **Run completed:** 2026-09-15T14:59:52+02:00
- **Language:** English
- **Duration:** 3,433.92 s (57 m 13.92 s)
- **Participants:** Christian Psiorz, Martin Tazl, Dries Nollet, and Jorik Muylle

## Purpose and scope

This case is an evidentiary reference for English protocol generation from diarized, non-native speech. It preserves two immutable source generations:

| Variant | Source generation | Confirmed mappings in prompt | Role in this case |
| --- | --- | ---: | --- |
| `001` | `protocol/generations/001` | 0 | Tests the limits of name use from participant-list and discourse evidence. |
| `002` | `protocol/generations/002` | 4 | Primary final reference: all speaker identities are explicitly mapped. |

The compact diarized protocol input is byte-identical between the two generations. Their prompts differ because only generation 002 includes the four authoritative mappings. `speaker_identity_analysis.md` deliberately separates direct transcript support from assignments that could result merely from the participant list.

## Contents

- `transcript/source_transcript.txt`: source compact plain transcript.
- `transcript/diarized_transcript.txt`: timestamped diarized transcript.
- `transcript/protocol_input.txt`: exact compact diarized input supplied to both protocol generations.
- `context/meeting_context.yaml`: authoritative participant/context record, including the final explicit mappings.
- `protocol_generation/<NNN>/`: exact prompt, generated protocol, and runtime metadata copied verbatim from immutable source generation `<NNN>`.
- `speaker_identity_analysis.md`: conservative identity-evidence assessment.
- `evaluation.md`: regression expectations and boundaries for evaluation.
- `manifest.json`: source paths and SHA-256 provenance.

No audio, raw model response, container logs, package-install logs, or unrelated run data is copied. The audio reference and its hash are in the manifest.

## Evaluation role

The exact compact diarized protocol input is the evidence source. The mapped generation is a valuable reference protocol, but it is not a gold standard for every wording choice. Operator feedback says later human editing was primarily editorial selection rather than factual correction; that feedback is not a persisted source artifact and must not be converted into unverified factual claims or expected wording.