{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2015:NRKL7WOTFGZBV4KM2ZFEKA7B2U","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":"d8eff37b6b94dfb99fc52e3e7529a56ad62cdb384ffda43ef2f43de1e7956842","cross_cats_sorted":["cond-mat.supr-con"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2015-11-04T21:00:30Z","title_canon_sha256":"8647263b87831f1185429a1817ca1ec490458319a2c26d676b516b6c29167ca8"},"schema_version":"1.0","source":{"id":"1511.01504","kind":"arxiv","version":3}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1511.01504","created_at":"2026-05-18T01:19:47Z"},{"alias_kind":"arxiv_version","alias_value":"1511.01504v3","created_at":"2026-05-18T01:19:47Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1511.01504","created_at":"2026-05-18T01:19:47Z"},{"alias_kind":"pith_short_12","alias_value":"NRKL7WOTFGZB","created_at":"2026-05-18T12:29:34Z"},{"alias_kind":"pith_short_16","alias_value":"NRKL7WOTFGZBV4KM","created_at":"2026-05-18T12:29:34Z"},{"alias_kind":"pith_short_8","alias_value":"NRKL7WOT","created_at":"2026-05-18T12:29:34Z"}],"graph_snapshots":[{"event_id":"sha256:1a6750e6e002945ed24643f58a6977b60dc3b1854a6634d1c10ab849354f0451","target":"graph","created_at":"2026-05-18T01:19:47Z","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":"We study particle-hole instabilities in the framework of the spin-fermion (SF) model. In contrast to previous studies, we assume that adjacent hot spots can overlap due to a shallow dispersion of the electron spectrum in the antinodal region. In addition, we take into account effects of a remnant low energy and momentum Coulomb interaction. We demonstrate that at sufficiently small values $|\\varepsilon (\\pi ,0)-E_{F}|\\lesssim \\Gamma $, where $E_{F}$ is the Fermi energy, $\\varepsilon \\left( \\pi ,0\\right) $ is the energy in the middle of the Brillouin zone edge, and $\\Gamma $ is a characteristic","authors_text":"Konstantin B. Efetov, Pavel A. Volkov","cross_cats":["cond-mat.supr-con"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2015-11-04T21:00:30Z","title":"Spin-fermion model with overlapping hot spots and charge modulation in cuprates"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1511.01504","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":"sha256:7af60c2d63e6fb32c7600bc92773120fe16ee1d996507a0f0e39316d76ff4997","target":"record","created_at":"2026-05-18T01:19:47Z","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":"d8eff37b6b94dfb99fc52e3e7529a56ad62cdb384ffda43ef2f43de1e7956842","cross_cats_sorted":["cond-mat.supr-con"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2015-11-04T21:00:30Z","title_canon_sha256":"8647263b87831f1185429a1817ca1ec490458319a2c26d676b516b6c29167ca8"},"schema_version":"1.0","source":{"id":"1511.01504","kind":"arxiv","version":3}},"canonical_sha256":"6c54bfd9d329b21af14cd64a4503e1d5087152f9432e50fadd429530782cc59f","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"6c54bfd9d329b21af14cd64a4503e1d5087152f9432e50fadd429530782cc59f","first_computed_at":"2026-05-18T01:19:47.815207Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:19:47.815207Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"AO8klV91eMTOsVO8Fj3lsBnc36TfG7kqxr5warW0Q8wfyjkE2CcTC2MBkELjJT0SYaOhXyRRqen7/QxdIAYdDg==","signature_status":"signed_v1","signed_at":"2026-05-18T01:19:47.815750Z","signed_message":"canonical_sha256_bytes"},"source_id":"1511.01504","source_kind":"arxiv","source_version":3}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:7af60c2d63e6fb32c7600bc92773120fe16ee1d996507a0f0e39316d76ff4997","sha256:1a6750e6e002945ed24643f58a6977b60dc3b1854a6634d1c10ab849354f0451"],"state_sha256":"abb4d02ec98db0d345b7e980f488a9bdbab70e22f2d89d53c34d7d3694675a9d"}