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Plinius
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Plinius
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"A prompt engineer/researcher credited with uncovering the Claude system prompt; mentioned via their X (Twitter) handle 'elder_plinius'."
Arcmira media summary
Arcmira tracks where Plinius appears across indexed YouTube videos, transcripts, channels, and related entities.
A prompt engineer/researcher credited with uncovering the Claude system prompt; mentioned via their X (Twitter) handle 'elder_plinius'.
Arcmira tracks where Plinius appears across indexed YouTube videos, transcripts, channels, and related entities.
Arcmira uses indexed YouTube videos and transcripts. Representative source evidence on this page includes "Claude System Prompt LEAK Reveals ALL | The 'Secret' Behind It's Personality..." with transcript-derived context and links when available.