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purestatelabs

HN member

Founder @ Pure State Labs (https://purestatelabs.com). We build deterministic safety substrates for LLMs and quantum dynamics.

Creator of GradPulse: https://github.com/PureStateLabs/gradpulse

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Comment #49203708
Thu, Aug 06, 2026, 10:50 PM UTC
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Spin audit of SQD/QSCI quantum-chemistry benchmarks on iron–sulfur clusters
Author here. Background, for anyone who hasn't followed this fight: IBM's iron–sulfur SQD results (Sci. Adv. 2025) are one of the flagship "quantum computers are useful for chemist…

Thu, Aug 06, 2026, 10:50 PM UTC
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Comment #49171981
It's disclosed in the paper, not hidden. An AI agent ran the computations and tooling under my direction, and the disclosure says explicitly that agent-executed work should not be …

Tue, Aug 04, 2026, 5:23 PM UTC
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Comment #49171880
1) Not physics. I came at this from the computing side and taught myself the chemistry. 2) +1 and -1. Trace 0, determinant -1, so λ² - 1. Eigenvectors (1,1)/√2 and (1,-1)/√2. Fair …

Tue, Aug 04, 2026, 5:17 PM UTC
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Comment #49097088
Wed, Jul 29, 2026, 1:14 PM UTC
story
Spin audit of SQD/QSCI quantum-chemistry benchmarks on iron–sulfur clusters
Author here. Background, for anyone who hasn't followed this fight: IBM's iron–sulfur SQD results (Sci. Adv. 2025) are one of the flagship "quantum computers are useful for chemist…

Wed, Jul 29, 2026, 1:13 PM UTC