{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2014:PTLTQL4YMD4VGVHPZKM7RMPF6F","short_pith_number":"pith:PTLTQL4Y","schema_version":"1.0","canonical_sha256":"7cd7382f9860f95354efca99f8b1e5f15250fd6c4fb5e5019dee5ad1609fd1fc","source":{"kind":"arxiv","id":"1501.00002","version":1},"attestation_state":"computed","paper":{"title":"The enigma of the pseudogap phase of the cuprate superconductors","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.supr-con"],"primary_cat":"cond-mat.str-el","authors_text":"Debanjan Chowdhury, Subir Sachdev","submitted_at":"2014-12-30T21:00:03Z","abstract_excerpt":"The last few years have seen significant experimental progress in characterizing the copper-based hole-doped high temperature superconductors in the regime of low hole density, p. Quantum oscillations, NMR, X-ray, and STM experiments have shed much light on the nature of the ordering at low temperatures. We review evidence that the order parameter in the non-Lanthanum-based cuprates is a d-form factor density-wave. This novel order acts as an unexpected window into the electronic structure of the pseudogap phase at higher temperatures in zero field: we argue in favor of a `fractionalized Fermi"},"verification_status":{"content_addressed":true,"pith_receipt":true,"author_attested":false,"weak_author_claims":0,"strong_author_claims":0,"externally_anchored":false,"storage_verified":false,"citation_signatures":0,"replication_records":0,"graph_snapshot":true,"references_resolved":false,"formal_links_present":false},"canonical_record":{"source":{"id":"1501.00002","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2014-12-30T21:00:03Z","cross_cats_sorted":["cond-mat.supr-con"],"title_canon_sha256":"e5fabfd3df1baece1ec387667b27ebc2e46b3f2e0545b4ff47358d16a3bad2ff","abstract_canon_sha256":"aed697d2d40120d0f4716cfa7dff44ae3c3cd792351017d4abb2affcd7513e7d"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:10:18.494695Z","signature_b64":"MXjMFoklOe4GNTmctxEvJMXAlYdxBmTqa2gnHTAidccTm9MKqD7waiZtQFIEgPU3bIMn2i+MlD1sa8hwqEWDCw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"7cd7382f9860f95354efca99f8b1e5f15250fd6c4fb5e5019dee5ad1609fd1fc","last_reissued_at":"2026-05-18T01:10:18.494021Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:10:18.494021Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"The enigma of the pseudogap phase of the cuprate superconductors","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.supr-con"],"primary_cat":"cond-mat.str-el","authors_text":"Debanjan Chowdhury, Subir Sachdev","submitted_at":"2014-12-30T21:00:03Z","abstract_excerpt":"The last few years have seen significant experimental progress in characterizing the copper-based hole-doped high temperature superconductors in the regime of low hole density, p. Quantum oscillations, NMR, X-ray, and STM experiments have shed much light on the nature of the ordering at low temperatures. We review evidence that the order parameter in the non-Lanthanum-based cuprates is a d-form factor density-wave. This novel order acts as an unexpected window into the electronic structure of the pseudogap phase at higher temperatures in zero field: we argue in favor of a `fractionalized Fermi"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1501.00002","kind":"arxiv","version":1},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"references":{"count":0,"sample":[],"resolved_work":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","internal_anchors":0},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"author_claims":{"count":0,"strong_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"builder_version":"pith-number-builder-2026-05-17-v1"},"aliases":[{"alias_kind":"arxiv","alias_value":"1501.00002","created_at":"2026-05-18T01:10:18.494116+00:00"},{"alias_kind":"arxiv_version","alias_value":"1501.00002v1","created_at":"2026-05-18T01:10:18.494116+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1501.00002","created_at":"2026-05-18T01:10:18.494116+00:00"},{"alias_kind":"pith_short_12","alias_value":"PTLTQL4YMD4V","created_at":"2026-05-18T12:28:43.426989+00:00"},{"alias_kind":"pith_short_16","alias_value":"PTLTQL4YMD4VGVHP","created_at":"2026-05-18T12:28:43.426989+00:00"},{"alias_kind":"pith_short_8","alias_value":"PTLTQL4Y","created_at":"2026-05-18T12:28:43.426989+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":2,"internal_anchor_count":2,"sample":[{"citing_arxiv_id":"2508.20164","citing_title":"Fractionalized Fermi liquids and the cuprate phase diagram","ref_index":129,"is_internal_anchor":true},{"citing_arxiv_id":"2512.23962","citing_title":"Lectures on insulating and conducting quantum spin liquids","ref_index":68,"is_internal_anchor":true}]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/PTLTQL4YMD4VGVHPZKM7RMPF6F","json":"https://pith.science/pith/PTLTQL4YMD4VGVHPZKM7RMPF6F.json","graph_json":"https://pith.science/api/pith-number/PTLTQL4YMD4VGVHPZKM7RMPF6F/graph.json","events_json":"https://pith.science/api/pith-number/PTLTQL4YMD4VGVHPZKM7RMPF6F/events.json","paper":"https://pith.science/paper/PTLTQL4Y"},"agent_actions":{"view_html":"https://pith.science/pith/PTLTQL4YMD4VGVHPZKM7RMPF6F","download_json":"https://pith.science/pith/PTLTQL4YMD4VGVHPZKM7RMPF6F.json","view_paper":"https://pith.science/paper/PTLTQL4Y","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1501.00002&json=true","fetch_graph":"https://pith.science/api/pith-number/PTLTQL4YMD4VGVHPZKM7RMPF6F/graph.json","fetch_events":"https://pith.science/api/pith-number/PTLTQL4YMD4VGVHPZKM7RMPF6F/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/PTLTQL4YMD4VGVHPZKM7RMPF6F/action/timestamp_anchor","attest_storage":"https://pith.science/pith/PTLTQL4YMD4VGVHPZKM7RMPF6F/action/storage_attestation","attest_author":"https://pith.science/pith/PTLTQL4YMD4VGVHPZKM7RMPF6F/action/author_attestation","sign_citation":"https://pith.science/pith/PTLTQL4YMD4VGVHPZKM7RMPF6F/action/citation_signature","submit_replication":"https://pith.science/pith/PTLTQL4YMD4VGVHPZKM7RMPF6F/action/replication_record"}},"created_at":"2026-05-18T01:10:18.494116+00:00","updated_at":"2026-05-18T01:10:18.494116+00:00"}