{"schema_version":"onlylabs.public_signal.v1","title":"OpenAI Writing: Custom instructions for ChatGPT","description":"OpenAI writing signal with public source context, captured evidence pages, related signals, and data-business radar classification.","url":"https://onlylabs.fyi/signals/30ad59f6-9d0b-4673-a570-d135ae584737","json_url":"https://onlylabs.fyi/signals/30ad59f6-9d0b-4673-a570-d135ae584737/signal.json","generated_at":"2026-06-08T15:46:37.564+00:00","org":{"slug":"openai","name":"OpenAI","category":"frontier-lab","category_label":"Frontier lab","dossier_url":"https://onlylabs.fyi/labs/openai","dossier_json_url":"https://onlylabs.fyi/labs/openai/dossier.json"},"related_urls":{"signal":"https://onlylabs.fyi/signals/30ad59f6-9d0b-4673-a570-d135ae584737","signal_json":"https://onlylabs.fyi/signals/30ad59f6-9d0b-4673-a570-d135ae584737/signal.json","source":"https://openai.com/index/custom-instructions-for-chatgpt","lab_dossier":"https://onlylabs.fyi/labs/openai","lab_dossier_json":"https://onlylabs.fyi/labs/openai/dossier.json","analysis":"https://onlylabs.fyi/analysis/openai","analysis_json":"https://onlylabs.fyi/analysis/openai/analysis.json","analysis_evidence_json":"https://onlylabs.fyi/analysis/openai/evidence.json","category":"https://onlylabs.fyi/frontier","category_json":"https://onlylabs.fyi/frontier.json","category_feed":"https://onlylabs.fyi/frontier/feed.xml","category_signals_json":"https://onlylabs.fyi/signals.json","topic":"https://onlylabs.fyi/topics/talking","topic_signals_json":"https://onlylabs.fyi/topics/talking/signals.json","topic_feed":"https://onlylabs.fyi/topics/talking/feed.xml","data_business":null},"answer_pack":{"answer":"OpenAI published Custom instructions for ChatGPT. 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