{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2026:IYYI2QQVSCBFTEUAX4L5F6C6RC","short_pith_number":"pith:IYYI2QQV","schema_version":"1.0","canonical_sha256":"46308d42159082599280bf17d2f85e889b06e940b970c6a802a1b24e5c2c7ead","source":{"kind":"arxiv","id":"2607.26150","version":1},"attestation_state":"computed","paper":{"title":"Isolation of spin-valley locked nodal-line fermions in $d$-wave $\\mathrm{AV_2X_2O}$ altermagnets","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mtrl-sci","authors_text":"Bahadur Singh, Pritesh Srivastava, Rahul Verma","submitted_at":"2026-07-28T18:00:39Z","abstract_excerpt":"Crystalline symmetries stabilize topological states with distinct electronic properties, while altermagnets exhibit momentum-dependent spin splitting without net magnetization. Here, we combine first-principles calculations with a minimal tight-binding model to realize $C$-paired spin-valley-locked nodal-line fermions in the $d$-wave altermagnet $\\mathrm{AV_2X_2O}$ (A = Rb, Cs, or K; X = Te, Se, or S). The low-energy electronic structure hosts coexisting spin-degenerate and spin-polarized nodal lines around $C_{4z}$-paired valleys near the Fermi level. The spin-polarized nodal lines are protec"},"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":"2607.26150","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2026-07-28T18:00:39Z","cross_cats_sorted":[],"title_canon_sha256":"d80fe8e8a4b4717a2b0357f2ba9ebf4e0ace93b8f3eeb6b1c3459d3bdfde3d40","abstract_canon_sha256":"93814dac07bc4dc8be492a29bc6cd74b26e74a6359eec6cd6e9d651ec7b97305"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"46308d42159082599280bf17d2f85e889b06e940b970c6a802a1b24e5c2c7ead","last_reissued_at":"2026-07-30T00:08:34.524389Z","signature_status":"unsigned_v0","first_computed_at":"2026-07-30T00:08:34.524389Z"},"graph_snapshot":{"paper":{"title":"Isolation of spin-valley locked nodal-line fermions in $d$-wave $\\mathrm{AV_2X_2O}$ altermagnets","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mtrl-sci","authors_text":"Bahadur Singh, Pritesh Srivastava, Rahul Verma","submitted_at":"2026-07-28T18:00:39Z","abstract_excerpt":"Crystalline symmetries stabilize topological states with distinct electronic properties, while altermagnets exhibit momentum-dependent spin splitting without net magnetization. Here, we combine first-principles calculations with a minimal tight-binding model to realize $C$-paired spin-valley-locked nodal-line fermions in the $d$-wave altermagnet $\\mathrm{AV_2X_2O}$ (A = Rb, Cs, or K; X = Te, Se, or S). The low-energy electronic structure hosts coexisting spin-degenerate and spin-polarized nodal lines around $C_{4z}$-paired valleys near the Fermi level. The spin-polarized nodal lines are protec"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2607.26150","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2607.26150/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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":"2607.26150","created_at":"2026-07-30T00:08:34.528062+00:00"},{"alias_kind":"arxiv_version","alias_value":"2607.26150v1","created_at":"2026-07-30T00:08:34.528062+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2607.26150","created_at":"2026-07-30T00:08:34.528062+00:00"},{"alias_kind":"pith_short_12","alias_value":"IYYI2QQVSCBF","created_at":"2026-07-30T00:08:34.528062+00:00"},{"alias_kind":"pith_short_16","alias_value":"IYYI2QQVSCBFTEUA","created_at":"2026-07-30T00:08:34.528062+00:00"},{"alias_kind":"pith_short_8","alias_value":"IYYI2QQV","created_at":"2026-07-30T00:08:34.528062+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":0,"internal_anchor_count":0,"sample":[]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/IYYI2QQVSCBFTEUAX4L5F6C6RC","json":"https://pith.science/pith/IYYI2QQVSCBFTEUAX4L5F6C6RC.json","graph_json":"https://pith.science/api/pith-number/IYYI2QQVSCBFTEUAX4L5F6C6RC/graph.json","events_json":"https://pith.science/api/pith-number/IYYI2QQVSCBFTEUAX4L5F6C6RC/events.json","paper":"https://pith.science/paper/IYYI2QQV"},"agent_actions":{"view_html":"https://pith.science/pith/IYYI2QQVSCBFTEUAX4L5F6C6RC","download_json":"https://pith.science/pith/IYYI2QQVSCBFTEUAX4L5F6C6RC.json","view_paper":"https://pith.science/paper/IYYI2QQV","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2607.26150&json=true","fetch_graph":"https://pith.science/api/pith-number/IYYI2QQVSCBFTEUAX4L5F6C6RC/graph.json","fetch_events":"https://pith.science/api/pith-number/IYYI2QQVSCBFTEUAX4L5F6C6RC/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/IYYI2QQVSCBFTEUAX4L5F6C6RC/action/timestamp_anchor","attest_storage":"https://pith.science/pith/IYYI2QQVSCBFTEUAX4L5F6C6RC/action/storage_attestation","attest_author":"https://pith.science/pith/IYYI2QQVSCBFTEUAX4L5F6C6RC/action/author_attestation","sign_citation":"https://pith.science/pith/IYYI2QQVSCBFTEUAX4L5F6C6RC/action/citation_signature","submit_replication":"https://pith.science/pith/IYYI2QQVSCBFTEUAX4L5F6C6RC/action/replication_record"}},"created_at":"2026-07-30T00:08:34.528062+00:00","updated_at":"2026-07-30T00:08:34.528062+00:00"}