{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2011:C7AWI6JUVZZZKHLEQCVXHIISMP","merge_version":"pith-open-graph-merge-v1","event_count":2,"valid_event_count":2,"invalid_event_count":0,"equivocation_count":0,"current":{"canonical_record":{"metadata":{"abstract_canon_sha256":"e95beaf18bd0d47b1f0417d50a222f6a3e257d90e656509ce503f70401022ab8","cross_cats_sorted":["cond-mat.supr-con","physics.comp-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2011-02-09T17:23:17Z","title_canon_sha256":"f08bf2cc65cb61e7ff201be27f6c16bb3f61a115d1774de2141fc9a1098d165c"},"schema_version":"1.0","source":{"id":"1102.1911","kind":"arxiv","version":3}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1102.1911","created_at":"2026-05-18T04:12:19Z"},{"alias_kind":"arxiv_version","alias_value":"1102.1911v3","created_at":"2026-05-18T04:12:19Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1102.1911","created_at":"2026-05-18T04:12:19Z"},{"alias_kind":"pith_short_12","alias_value":"C7AWI6JUVZZZ","created_at":"2026-05-18T12:26:24Z"},{"alias_kind":"pith_short_16","alias_value":"C7AWI6JUVZZZKHLE","created_at":"2026-05-18T12:26:24Z"},{"alias_kind":"pith_short_8","alias_value":"C7AWI6JU","created_at":"2026-05-18T12:26:24Z"}],"graph_snapshots":[{"event_id":"sha256:deb32b684a73810acf45ffb2c6712642d96cf31b34b17e3b07ef2f30bec0b2f1","target":"graph","created_at":"2026-05-18T04:12:19Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"graph_snapshot":{"author_claims":{"count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","strong_count":0},"builder_version":"pith-number-builder-2026-05-17-v1","claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"paper":{"abstract_excerpt":"The two-dimensional Hubbard model exhibits superconductivity with d-wave symmetry even at half-filling in the presence of next-nearest neighbor hopping. Using plaquette cluster dynamical mean-field theory with a continuous-time quantum Monte Carlo impurity solver, we reveal the non-Fermi liquid character of the metallic phase in proximity to the superconducting state. Specifically, the low-frequency scattering rate for momenta near (\\pi, 0) varies non-monotonously at low temperatures, and the dc conductivity is T-linear at elevated temperatures with an upturn upon cooling. Evidence is provided","authors_text":"Arno P. Kampf, Emanuel Gull, Michael Sentef, Philipp Werner","cross_cats":["cond-mat.supr-con","physics.comp-ph"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2011-02-09T17:23:17Z","title":"Superconductivity and Pairing Fluctuations in the Half-Filled Two-Dimensional Hubbard Model"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1102.1911","kind":"arxiv","version":3},"verdict":{"created_at":null,"id":null,"model_set":{},"one_line_summary":"","pipeline_version":null,"pith_extraction_headline":"","strongest_claim":"","weakest_assumption":""}},"verdict_id":null}}],"author_attestations":[],"timestamp_anchors":[],"storage_attestations":[],"citation_signatures":[],"replication_records":[],"corrections":[],"mirror_hints":[],"record_created":{"event_id":"sha256:9dd9994959ca20e8b5f40c26712c5189a22e7f6111e0febdec03a19572312fd8","target":"record","created_at":"2026-05-18T04:12:19Z","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":"e95beaf18bd0d47b1f0417d50a222f6a3e257d90e656509ce503f70401022ab8","cross_cats_sorted":["cond-mat.supr-con","physics.comp-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2011-02-09T17:23:17Z","title_canon_sha256":"f08bf2cc65cb61e7ff201be27f6c16bb3f61a115d1774de2141fc9a1098d165c"},"schema_version":"1.0","source":{"id":"1102.1911","kind":"arxiv","version":3}},"canonical_sha256":"17c1647934ae73951d6480ab73a11263cc98b93501cb19a840da5c77fa87ea0b","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"17c1647934ae73951d6480ab73a11263cc98b93501cb19a840da5c77fa87ea0b","first_computed_at":"2026-05-18T04:12:19.285130Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T04:12:19.285130Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"Hj6tKUw67v80t+LuSp3I+mD1jYTeZDWNxNsimUqtu2djORIH2xVKalmWzigVIkEVuInz92vVaqxsXJB3bXCCDw==","signature_status":"signed_v1","signed_at":"2026-05-18T04:12:19.285691Z","signed_message":"canonical_sha256_bytes"},"source_id":"1102.1911","source_kind":"arxiv","source_version":3}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:9dd9994959ca20e8b5f40c26712c5189a22e7f6111e0febdec03a19572312fd8","sha256:deb32b684a73810acf45ffb2c6712642d96cf31b34b17e3b07ef2f30bec0b2f1"],"state_sha256":"005f76d9fe037801337cf0af973d8408deb1a00392cf58bb23322a24fcdc7c6e"}