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| <title id="title">How J-lens was used</title> |
| <desc id="desc">A frozen Jacobian lens reads six layers for three prompt cohorts, compares refusal and capability concepts against a private internal baseline, and is used only as a diagnostic.</desc> |
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| <text x="52" y="58" fill="#f5f7ff" font-family="Inter,Segoe UI,Arial,sans-serif" font-size="29" font-weight="500">J-lens: frozen interpretability audit</text> |
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| <text x="1044" y="53" text-anchor="middle" fill="#ffd875" font-family="Inter,Segoe UI,Arial,sans-serif" font-size="13" font-weight="500" letter-spacing="2">AUDIT ONLY · NO TUNING</text> |
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| <text x="52" y="105" fill="#7f92bc" font-size="13" letter-spacing="2">1 · FROZEN COHORTS</text> |
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| <text x="20" y="32" fill="#eaf5ff" font-size="16" font-weight="500">Hard prompts</text> |
| <text x="20" y="56" fill="#91a5cd" font-size="13">32 fixed examples</text> |
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| <text x="20" y="32" fill="#f0ecff" font-size="16" font-weight="500">Capability</text> |
| <text x="20" y="56" fill="#91a5cd" font-size="13">24 fixed examples</text> |
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| <text x="20" y="32" fill="#ecfff6" font-size="16" font-weight="500">Benign boundary</text> |
| <text x="20" y="56" fill="#91a5cd" font-size="13">24 fixed examples</text> |
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| <text x="380" y="105" fill="#7f92bc" font-size="13" letter-spacing="2">2 · SIX HIDDEN-STATE READOUTS</text> |
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| <text x="48" y="200">20</text> |
| <text x="84" y="129">24</text> |
| <text x="130" y="87">28</text> |
| <text x="190" y="87">32</text> |
| <text x="236" y="129">36</text> |
| <text x="272" y="200">40</text> |
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| <text x="160" y="232" text-anchor="middle" fill="#91a5cd" font-size="13">last prompt position · frozen lens</text> |
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| <text x="790" y="105" fill="#7f92bc" font-size="13" letter-spacing="2">3 · CONCEPT-GROUP COMPARISON</text> |
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| <text x="18" y="30" fill="#ffe8ef" font-size="16" font-weight="500">Refusal concepts</text> |
| <text x="18" y="55" fill="#91a5cd" font-size="13">candidate − private baseline means</text> |
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| <text x="18" y="30" fill="#eafff3" font-size="16" font-weight="500">Capability concepts</text> |
| <text x="18" y="55" fill="#91a5cd" font-size="13">code · JSON · reasoning</text> |
| <text x="18" y="80" fill="#91a5cd" font-size="13">mixed, modest shifts across cohorts</text> |
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| <text x="24" y="34" fill="#f5f7ff" font-size="16" font-weight="500">Candidate minus private internal baseline · mean score deltas</text> |
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| <text x="0" y="0" fill="#91a5cd">Hard 32</text> |
| <text x="0" y="25" fill="#cbd5ec">cap −0.3357 · refusal +0.1342</text> |
| <text x="345" y="0" fill="#91a5cd">Capability 24</text> |
| <text x="345" y="25" fill="#cbd5ec">cap +0.5056 · refusal −0.1370</text> |
| <text x="705" y="0" fill="#91a5cd">Boundary 24</text> |
| <text x="705" y="25" fill="#cbd5ec">cap −0.4630 · refusal −0.1972</text> |
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| <text x="1072" y="99" text-anchor="end" fill="#f5c451" font-size="12" letter-spacing="1">BEHAVIORAL GATES DECIDE PROMOTION</text> |
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| <text x="52" y="572" fill="#63769d" font-family="Inter,Segoe UI,Arial,sans-serif" font-size="11">Reference implementation: Anthropic Jacobian lens · this audit is not an Anthropic endorsement</text> |
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