{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2024:Z3IMHGG7EOECK5QPXAMMCU6NTH","short_pith_number":"pith:Z3IMHGG7","schema_version":"1.0","canonical_sha256":"ced0c398df238825760fb818c153cd99f3f04774e476905d21cbed7da9c3e859","source":{"kind":"arxiv","id":"2408.08999","version":2},"attestation_state":"computed","paper":{"title":"Altermagnetism in Two Dimensional Ca$_2$RuO$_4$ Perovskite","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["cond-mat.mes-hall"],"primary_cat":"cond-mat.mtrl-sci","authors_text":"A. M Le\\'on, C. Gonz\\'alez-Fuentes, J. W. Gonz\\'alez, R. A. Gallardo","submitted_at":"2024-08-16T20:00:46Z","abstract_excerpt":"We propose and characterize a novel two-dimensional material, 2D-CRO, derived from bulk calcium-based ruthenates (CROs) of the Ruddlesden-Popper family, Ca$_{n+1}$Ru$_n$O$_{3n+1}$ ($n = 1$ and $2$). Using density functional theory, we demonstrate that 2D-CRO maintains structural stability down to the monolayer limit, exhibiting a tight interplay between structural and electronic properties. Notably, 2D-CRO displays altermagnetic behavior, characterized by zero net magnetization and strong spin-dependent phenomena, stabilized through dimensionality reduction. This stability is achieved by break"},"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":"2408.08999","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2024-08-16T20:00:46Z","cross_cats_sorted":["cond-mat.mes-hall"],"title_canon_sha256":"09e16445b3e420fe7c6d33aa265388fb4a2a0d45f26f3b0fe6704286dc13d717","abstract_canon_sha256":"6d2df3e3ea4d9d5bc85e8efa01c17695accf88e0021a21b96c463f79c24d0105"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T10:07:43.656656Z","signature_b64":"Ot1kj6optLfqYw1Os2L/VjEzaWGCM6W9S+IIIGL+tHlJIYjXTstUtBhVDySHVoGd2hax5pBg5MVtOgDuSOFdAw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"ced0c398df238825760fb818c153cd99f3f04774e476905d21cbed7da9c3e859","last_reissued_at":"2026-07-05T10:07:43.656167Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T10:07:43.656167Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Altermagnetism in Two Dimensional Ca$_2$RuO$_4$ Perovskite","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["cond-mat.mes-hall"],"primary_cat":"cond-mat.mtrl-sci","authors_text":"A. M Le\\'on, C. Gonz\\'alez-Fuentes, J. W. Gonz\\'alez, R. A. Gallardo","submitted_at":"2024-08-16T20:00:46Z","abstract_excerpt":"We propose and characterize a novel two-dimensional material, 2D-CRO, derived from bulk calcium-based ruthenates (CROs) of the Ruddlesden-Popper family, Ca$_{n+1}$Ru$_n$O$_{3n+1}$ ($n = 1$ and $2$). Using density functional theory, we demonstrate that 2D-CRO maintains structural stability down to the monolayer limit, exhibiting a tight interplay between structural and electronic properties. Notably, 2D-CRO displays altermagnetic behavior, characterized by zero net magnetization and strong spin-dependent phenomena, stabilized through dimensionality reduction. This stability is achieved by break"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2408.08999","kind":"arxiv","version":2},"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/2408.08999/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":"2408.08999","created_at":"2026-07-05T10:07:43.656231+00:00"},{"alias_kind":"arxiv_version","alias_value":"2408.08999v2","created_at":"2026-07-05T10:07:43.656231+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2408.08999","created_at":"2026-07-05T10:07:43.656231+00:00"},{"alias_kind":"pith_short_12","alias_value":"Z3IMHGG7EOEC","created_at":"2026-07-05T10:07:43.656231+00:00"},{"alias_kind":"pith_short_16","alias_value":"Z3IMHGG7EOECK5QP","created_at":"2026-07-05T10:07:43.656231+00:00"},{"alias_kind":"pith_short_8","alias_value":"Z3IMHGG7","created_at":"2026-07-05T10:07:43.656231+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":1,"internal_anchor_count":1,"sample":[{"citing_arxiv_id":"2411.17493","citing_title":"Ubiquitous van der Waals altermagnetism with sliding/moire ferroelectricity","ref_index":47,"is_internal_anchor":true}]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/Z3IMHGG7EOECK5QPXAMMCU6NTH","json":"https://pith.science/pith/Z3IMHGG7EOECK5QPXAMMCU6NTH.json","graph_json":"https://pith.science/api/pith-number/Z3IMHGG7EOECK5QPXAMMCU6NTH/graph.json","events_json":"https://pith.science/api/pith-number/Z3IMHGG7EOECK5QPXAMMCU6NTH/events.json","paper":"https://pith.science/paper/Z3IMHGG7"},"agent_actions":{"view_html":"https://pith.science/pith/Z3IMHGG7EOECK5QPXAMMCU6NTH","download_json":"https://pith.science/pith/Z3IMHGG7EOECK5QPXAMMCU6NTH.json","view_paper":"https://pith.science/paper/Z3IMHGG7","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2408.08999&json=true","fetch_graph":"https://pith.science/api/pith-number/Z3IMHGG7EOECK5QPXAMMCU6NTH/graph.json","fetch_events":"https://pith.science/api/pith-number/Z3IMHGG7EOECK5QPXAMMCU6NTH/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/Z3IMHGG7EOECK5QPXAMMCU6NTH/action/timestamp_anchor","attest_storage":"https://pith.science/pith/Z3IMHGG7EOECK5QPXAMMCU6NTH/action/storage_attestation","attest_author":"https://pith.science/pith/Z3IMHGG7EOECK5QPXAMMCU6NTH/action/author_attestation","sign_citation":"https://pith.science/pith/Z3IMHGG7EOECK5QPXAMMCU6NTH/action/citation_signature","submit_replication":"https://pith.science/pith/Z3IMHGG7EOECK5QPXAMMCU6NTH/action/replication_record"}},"created_at":"2026-07-05T10:07:43.656231+00:00","updated_at":"2026-07-05T10:07:43.656231+00:00"}