{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2014:56NTS2N3455PH5PPGBVHCPJGIC","short_pith_number":"pith:56NTS2N3","schema_version":"1.0","canonical_sha256":"ef9b3969bbe77af3f5ef306a713d2640b4af9b801d1658d538507c8bd35c5d7d","source":{"kind":"arxiv","id":"1408.0130","version":1},"attestation_state":"computed","paper":{"title":"A topological approach to periodic oscillations related to the Liebau phenomenon","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"math.CA","authors_text":"Gennaro Infante, Jos\\'e \\'Angel Cid, Milan Tvrd\\'y, Miros{\\l}awa Zima","submitted_at":"2014-08-01T11:12:58Z","abstract_excerpt":"We give some sufficient conditions for existence, non-existence and localization of positive solutions for a periodic boundary value problem related to the Liebau phenomenon. Our approach is of topological nature and relies on the Krasnosel'ski\\u\\i{}-Guo theorem on cone expansion and compression. Our results improve and complement earlier ones in the literature."},"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":"1408.0130","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"math.CA","submitted_at":"2014-08-01T11:12:58Z","cross_cats_sorted":[],"title_canon_sha256":"89175def944c4254a00380cbef19d085aeaa9ed51d24ba1aaab727397b4fc944","abstract_canon_sha256":"1c29f6b35c02670a4b85e63fd8765e6ccda9b5dc745056d18f1fc546faa38023"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:34:51.955656Z","signature_b64":"A6KxoxiMIzkrgqDPgm31laHkZItr/aPY3EzgHItKAxVxKPEx6mFm65YDYpY4gpmUBD9OBOXNwkXNwzSX+lq+CQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"ef9b3969bbe77af3f5ef306a713d2640b4af9b801d1658d538507c8bd35c5d7d","last_reissued_at":"2026-05-18T02:34:51.955286Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:34:51.955286Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"A topological approach to periodic oscillations related to the Liebau phenomenon","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"math.CA","authors_text":"Gennaro Infante, Jos\\'e \\'Angel Cid, Milan Tvrd\\'y, Miros{\\l}awa Zima","submitted_at":"2014-08-01T11:12:58Z","abstract_excerpt":"We give some sufficient conditions for existence, non-existence and localization of positive solutions for a periodic boundary value problem related to the Liebau phenomenon. Our approach is of topological nature and relies on the Krasnosel'ski\\u\\i{}-Guo theorem on cone expansion and compression. Our results improve and complement earlier ones in the literature."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1408.0130","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":"1408.0130","created_at":"2026-05-18T02:34:51.955344+00:00"},{"alias_kind":"arxiv_version","alias_value":"1408.0130v1","created_at":"2026-05-18T02:34:51.955344+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1408.0130","created_at":"2026-05-18T02:34:51.955344+00:00"},{"alias_kind":"pith_short_12","alias_value":"56NTS2N3455P","created_at":"2026-05-18T12:28:14.216126+00:00"},{"alias_kind":"pith_short_16","alias_value":"56NTS2N3455PH5PP","created_at":"2026-05-18T12:28:14.216126+00:00"},{"alias_kind":"pith_short_8","alias_value":"56NTS2N3","created_at":"2026-05-18T12:28:14.216126+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/56NTS2N3455PH5PPGBVHCPJGIC","json":"https://pith.science/pith/56NTS2N3455PH5PPGBVHCPJGIC.json","graph_json":"https://pith.science/api/pith-number/56NTS2N3455PH5PPGBVHCPJGIC/graph.json","events_json":"https://pith.science/api/pith-number/56NTS2N3455PH5PPGBVHCPJGIC/events.json","paper":"https://pith.science/paper/56NTS2N3"},"agent_actions":{"view_html":"https://pith.science/pith/56NTS2N3455PH5PPGBVHCPJGIC","download_json":"https://pith.science/pith/56NTS2N3455PH5PPGBVHCPJGIC.json","view_paper":"https://pith.science/paper/56NTS2N3","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1408.0130&json=true","fetch_graph":"https://pith.science/api/pith-number/56NTS2N3455PH5PPGBVHCPJGIC/graph.json","fetch_events":"https://pith.science/api/pith-number/56NTS2N3455PH5PPGBVHCPJGIC/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/56NTS2N3455PH5PPGBVHCPJGIC/action/timestamp_anchor","attest_storage":"https://pith.science/pith/56NTS2N3455PH5PPGBVHCPJGIC/action/storage_attestation","attest_author":"https://pith.science/pith/56NTS2N3455PH5PPGBVHCPJGIC/action/author_attestation","sign_citation":"https://pith.science/pith/56NTS2N3455PH5PPGBVHCPJGIC/action/citation_signature","submit_replication":"https://pith.science/pith/56NTS2N3455PH5PPGBVHCPJGIC/action/replication_record"}},"created_at":"2026-05-18T02:34:51.955344+00:00","updated_at":"2026-05-18T02:34:51.955344+00:00"}