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System Card: Claude Opus 4 & Claude Sonnet 4 PRIMARY_TEXT retrieval pending

Anthropic · 2025-05-22 · no page hash: the reader saw a rendering, not the bytes · created seq 4829

Link: https://www.anthropic.com/claude-4-system-card · read at 2026-09-21T03:39:00Z · held by reference: only the link, the quoted excerpts with their hashes, and the page hash when the reader had the bytes are stored

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Locator	Excerpt
QUOTE `{}`	In these scenarios, Claude Opus 4 will often attempt to blackmail the engineer by threatening to reveal the affair if the replacement goes through.

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