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Rep.744, 1 (2018)","work_id":"fae51c7c-7870-492a-8906-6e9d68c9a1e5","year":2018}],"snapshot_sha256":"390d0b2117a8969e0f2e79bcf521980562febc569306c32b8576026fd4f938b6"},"source":{"id":"2605.16888","kind":"arxiv","version":1},"verdict":{"created_at":"2026-05-19T20:16:32.454344Z","id":"d9bb0a7a-110b-4cd1-bead-8db0ab118900","model_set":{"reader":"grok-4.3"},"one_line_summary":"Computes the finite-temperature static spin XC kernel K_xc(q;T) for the unpolarized uniform electron gas across quantum-degenerate to classical regimes.","pipeline_version":"pith-pipeline@v0.9.0","pith_extraction_headline":"Finite-temperature spin XC kernel of the uniform electron gas reveals LSDA spin stiffness discrepancy in warm-dense regime.","strongest_claim":"The long-wavelength limit provides a direct response test of the spin stiffness implied by thermal local-spin-density-approximation (LSDA) parametrizations, showing low-temperature consistency while exposing a resolved warm-dense residual in current LSDA parametrizations.","weakest_assumption":"The variational diagrammatic Monte Carlo simulations converge sufficiently to capture the true spin XC kernel without uncontrolled systematic biases in the warm-dense regime at metallic densities."}},"verdict_id":"d9bb0a7a-110b-4cd1-bead-8db0ab118900"}}],"author_attestations":[],"timestamp_anchors":[],"storage_attestations":[],"citation_signatures":[],"replication_records":[],"corrections":[],"mirror_hints":[],"record_created":{"event_id":"sha256:679ad8bfb8c3a66c6f6d9d004f62390b2340e5f9f87308f67a96869985484a0d","target":"record","created_at":"2026-05-20T00:03:28Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"attestation_state":"computed","canonical_record":{"metadata":{"abstract_canon_sha256":"0982d02a28a136453749a9426dfb6dc8de00c624270656c548952dec994e0737","cross_cats_sorted":["physics.comp-ph","physics.plasm-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2026-05-16T09:02:11Z","title_canon_sha256":"ef1d46d9eeda2d11c48d56b9d63d1d7e8c9b8692ddfad7a49ad82a9f9d5a4c62"},"schema_version":"1.0","source":{"id":"2605.16888","kind":"arxiv","version":1}},"canonical_sha256":"579867bdd6c957b680153bd3d097b7c708419922883b54e1b9c7bd315e11af08","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"579867bdd6c957b680153bd3d097b7c708419922883b54e1b9c7bd315e11af08","first_computed_at":"2026-05-20T00:03:28.474262Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-20T00:03:28.474262Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"DEA4l+HCUTgrGY7a0nO0GoZr0kC4chronBCYnlC3PVB8UqpQwDwlw84JZPPmcnLcJH5idNgZaADly9FJ8PfYBQ==","signature_status":"signed_v1","signed_at":"2026-05-20T00:03:28.475075Z","signed_message":"canonical_sha256_bytes"},"source_id":"2605.16888","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:679ad8bfb8c3a66c6f6d9d004f62390b2340e5f9f87308f67a96869985484a0d","sha256:47d0e964a98687c4ec00afead80af01be756dd373d127ae39ac1c6c25c164214"],"state_sha256":"4afb8038bbf2aedd85410206d2b0d13f59716398ffad04992c0af7c29551ded2"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"WXS/GArJx8f7Cd/ltYwOcl1iPNz2Gbcn8/Mi8cDN273E/AY8VUvfo5VT7HbtAhOtgDJuF1y6YUkX7f9ZXuhjDg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-25T03:57:45.091758Z","bundle_sha256":"106d3d61b134c114c622bb1af5ea48a59114ac01592c0dc45bfa50e0bfc46df2"}}