# Art 53 training-content summary locate (2026-09)

**Surface:** `public.notice` (unsigned)  
**As of:** `2026-09-02T05:51:28Z` UTC  
**Template:** 24 Jul 2025 AI Office  
**Prior art only:** DOI [10.1145/3805689.3806755](https://doi.org/10.1145/3805689.3806755)

## Doctrine
- located / not located / uncheckable — never absent/non-compliant/violated
- no compliance language
- open-weight **Art 53(2)** exempts only **(1)(a)/(b)** — **(1)(c)/(d) still apply**

## Cards
| provider | model | open-weight | status | card |
| --- | --- | --- | --- | --- |
| OpenAI | GPT-5.5 | no | `LOCATED` | [card-openai-gpt-5-5-training-summary-unsigned.json](./card-openai-gpt-5-5-training-summary-unsigned.json) |
| Google | Gemini 3 Pro family | no | `LOCATED` | [card-google-gemini-3-pro-training-summary-unsigned.json](./card-google-gemini-3-pro-training-summary-unsigned.json) |
| Google | Gemma 4 family | yes | `LOCATED` | [card-google-gemma-4-training-summary-unsigned.json](./card-google-gemma-4-training-summary-unsigned.json) |
| Mistral AI | Mistral Large 3 | yes | `LOCATED` | [card-mistral-large-3-training-summary-unsigned.json](./card-mistral-large-3-training-summary-unsigned.json) |
| Anthropic | Claude Opus 5 | no | `UNCHECKABLE` | [card-anthropic-claude-opus-5-training-summary-unsigned.json](./card-anthropic-claude-opus-5-training-summary-unsigned.json) |
| Meta | Muse Image | no | `UNCHECKABLE` | [card-meta-muse-image-training-summary-unsigned.json](./card-meta-muse-image-training-summary-unsigned.json) |