{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2010:ZG4PRITEPCYQESHFQUGVQJ4EDP","short_pith_number":"pith:ZG4PRITE","schema_version":"1.0","canonical_sha256":"c9b8f8a26478b10248e5850d5827841bcc3c8f9ef5192c27ac3b01a7ca5b101f","source":{"kind":"arxiv","id":"1001.0748","version":3},"attestation_state":"computed","paper":{"title":"Conditions for free magnetic monopoles in nanoscale square arrays of dipolar spin ice","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.other"],"primary_cat":"cond-mat.mtrl-sci","authors_text":"A. R. Pereira, L. A. S. M\\'ol, W. A. Moura-Melo","submitted_at":"2010-01-05T19:24:58Z","abstract_excerpt":"We study a modified frustrated dipolar array recently proposed by M\\\"{o}ller and Moessner [Phys. Rev. Lett. \\textbf{96}, 237202 (2006)], which is based on an array manufactured lithographically by Wang \\emph{et al.} [Nature (London) \\textbf{439}, 303 (2006)] and consists of introducing a height offset $h$ between islands (dipoles) pointing along the two different lattice directions. The ground-states and excitations are studied as a function of $h$. We have found, in qualitative agreement with the results of M\\\"{o}ller and Moessner, that the ground-state changes for $h>h_{1}$, where $h_{1}= 0."},"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":"1001.0748","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2010-01-05T19:24:58Z","cross_cats_sorted":["cond-mat.other"],"title_canon_sha256":"250832effa52b1b7d44f5722d77be8d5e2bb9ed9e269307d2f457b0e0bde1af2","abstract_canon_sha256":"22ace0988afb9f969a4f3712e85e7e1de56405eb576c91facae53de3574173eb"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T04:40:09.455045Z","signature_b64":"xItgPTyrYMr6omWg0lQb9jmah2UhH/1ZpVV3a3a6H1ILQP8vKHid9aoelA32dY7EZQJIZzq1g2QgP9SkKJRqDQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"c9b8f8a26478b10248e5850d5827841bcc3c8f9ef5192c27ac3b01a7ca5b101f","last_reissued_at":"2026-05-18T04:40:09.454555Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T04:40:09.454555Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Conditions for free magnetic monopoles in nanoscale square arrays of dipolar spin ice","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.other"],"primary_cat":"cond-mat.mtrl-sci","authors_text":"A. R. Pereira, L. A. S. M\\'ol, W. A. Moura-Melo","submitted_at":"2010-01-05T19:24:58Z","abstract_excerpt":"We study a modified frustrated dipolar array recently proposed by M\\\"{o}ller and Moessner [Phys. Rev. Lett. \\textbf{96}, 237202 (2006)], which is based on an array manufactured lithographically by Wang \\emph{et al.} [Nature (London) \\textbf{439}, 303 (2006)] and consists of introducing a height offset $h$ between islands (dipoles) pointing along the two different lattice directions. The ground-states and excitations are studied as a function of $h$. We have found, in qualitative agreement with the results of M\\\"{o}ller and Moessner, that the ground-state changes for $h>h_{1}$, where $h_{1}= 0."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1001.0748","kind":"arxiv","version":3},"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":"1001.0748","created_at":"2026-05-18T04:40:09.454624+00:00"},{"alias_kind":"arxiv_version","alias_value":"1001.0748v3","created_at":"2026-05-18T04:40:09.454624+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1001.0748","created_at":"2026-05-18T04:40:09.454624+00:00"},{"alias_kind":"pith_short_12","alias_value":"ZG4PRITEPCYQ","created_at":"2026-05-18T12:26:17.028572+00:00"},{"alias_kind":"pith_short_16","alias_value":"ZG4PRITEPCYQESHF","created_at":"2026-05-18T12:26:17.028572+00:00"},{"alias_kind":"pith_short_8","alias_value":"ZG4PRITE","created_at":"2026-05-18T12:26:17.028572+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/ZG4PRITEPCYQESHFQUGVQJ4EDP","json":"https://pith.science/pith/ZG4PRITEPCYQESHFQUGVQJ4EDP.json","graph_json":"https://pith.science/api/pith-number/ZG4PRITEPCYQESHFQUGVQJ4EDP/graph.json","events_json":"https://pith.science/api/pith-number/ZG4PRITEPCYQESHFQUGVQJ4EDP/events.json","paper":"https://pith.science/paper/ZG4PRITE"},"agent_actions":{"view_html":"https://pith.science/pith/ZG4PRITEPCYQESHFQUGVQJ4EDP","download_json":"https://pith.science/pith/ZG4PRITEPCYQESHFQUGVQJ4EDP.json","view_paper":"https://pith.science/paper/ZG4PRITE","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1001.0748&json=true","fetch_graph":"https://pith.science/api/pith-number/ZG4PRITEPCYQESHFQUGVQJ4EDP/graph.json","fetch_events":"https://pith.science/api/pith-number/ZG4PRITEPCYQESHFQUGVQJ4EDP/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/ZG4PRITEPCYQESHFQUGVQJ4EDP/action/timestamp_anchor","attest_storage":"https://pith.science/pith/ZG4PRITEPCYQESHFQUGVQJ4EDP/action/storage_attestation","attest_author":"https://pith.science/pith/ZG4PRITEPCYQESHFQUGVQJ4EDP/action/author_attestation","sign_citation":"https://pith.science/pith/ZG4PRITEPCYQESHFQUGVQJ4EDP/action/citation_signature","submit_replication":"https://pith.science/pith/ZG4PRITEPCYQESHFQUGVQJ4EDP/action/replication_record"}},"created_at":"2026-05-18T04:40:09.454624+00:00","updated_at":"2026-05-18T04:40:09.454624+00:00"}