{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2010:DS53B7VAQISHL6YZHIBVGVEU3Z","short_pith_number":"pith:DS53B7VA","schema_version":"1.0","canonical_sha256":"1cbbb0fea0822475fb193a03535494de7dd9bbd9d0d6ea7a65bf064071d30ff1","source":{"kind":"arxiv","id":"1008.5245","version":2},"attestation_state":"computed","paper":{"title":"Unusual superparamagnetic behavior of Co3O4 nanoparticles","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mes-hall","authors_text":"K.P.Rajeev, Vijay Bisht","submitted_at":"2010-08-31T08:04:04Z","abstract_excerpt":"We report detailed studies on magnetic properties of Co3O4 nanoparticles of average size 12.5 nm. Temperature and field dependence of magnetization, wait time dependence of magnetic relaxation (aging), memory effects and temperature dependence of specific heat have been investigated to understand the magnetic behavior of these particles. We find that the particles show some features characteristic of nanoparticle magnetism such as bifurcation of field cooled (FC) and zero field cooled (ZFC) susceptibilities and a slow relaxation of magnetization. However, strangely, the temperature at which ZF"},"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":"1008.5245","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2010-08-31T08:04:04Z","cross_cats_sorted":[],"title_canon_sha256":"053bef93c652f0f8942ae15abbd815f42e0b032fe7c3cad087c800026830240b","abstract_canon_sha256":"edbcacf43040bdd64712b1f2a15723689bce1cd984171facd0d0733dfc948363"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T04:41:27.115266Z","signature_b64":"oXiWegk1v2SRdPSm+P9R98aAJVDDIsBZxrU4Vc782+i80qOoNDXFUYBzTBRCY7qBTUDD1ROtxcdlPpEdiwU/Ag==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"1cbbb0fea0822475fb193a03535494de7dd9bbd9d0d6ea7a65bf064071d30ff1","last_reissued_at":"2026-05-18T04:41:27.114572Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T04:41:27.114572Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Unusual superparamagnetic behavior of Co3O4 nanoparticles","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mes-hall","authors_text":"K.P.Rajeev, Vijay Bisht","submitted_at":"2010-08-31T08:04:04Z","abstract_excerpt":"We report detailed studies on magnetic properties of Co3O4 nanoparticles of average size 12.5 nm. Temperature and field dependence of magnetization, wait time dependence of magnetic relaxation (aging), memory effects and temperature dependence of specific heat have been investigated to understand the magnetic behavior of these particles. We find that the particles show some features characteristic of nanoparticle magnetism such as bifurcation of field cooled (FC) and zero field cooled (ZFC) susceptibilities and a slow relaxation of magnetization. However, strangely, the temperature at which ZF"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1008.5245","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":""},"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":"1008.5245","created_at":"2026-05-18T04:41:27.114676+00:00"},{"alias_kind":"arxiv_version","alias_value":"1008.5245v2","created_at":"2026-05-18T04:41:27.114676+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1008.5245","created_at":"2026-05-18T04:41:27.114676+00:00"},{"alias_kind":"pith_short_12","alias_value":"DS53B7VAQISH","created_at":"2026-05-18T12:26:06.534383+00:00"},{"alias_kind":"pith_short_16","alias_value":"DS53B7VAQISHL6YZ","created_at":"2026-05-18T12:26:06.534383+00:00"},{"alias_kind":"pith_short_8","alias_value":"DS53B7VA","created_at":"2026-05-18T12:26:06.534383+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/DS53B7VAQISHL6YZHIBVGVEU3Z","json":"https://pith.science/pith/DS53B7VAQISHL6YZHIBVGVEU3Z.json","graph_json":"https://pith.science/api/pith-number/DS53B7VAQISHL6YZHIBVGVEU3Z/graph.json","events_json":"https://pith.science/api/pith-number/DS53B7VAQISHL6YZHIBVGVEU3Z/events.json","paper":"https://pith.science/paper/DS53B7VA"},"agent_actions":{"view_html":"https://pith.science/pith/DS53B7VAQISHL6YZHIBVGVEU3Z","download_json":"https://pith.science/pith/DS53B7VAQISHL6YZHIBVGVEU3Z.json","view_paper":"https://pith.science/paper/DS53B7VA","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1008.5245&json=true","fetch_graph":"https://pith.science/api/pith-number/DS53B7VAQISHL6YZHIBVGVEU3Z/graph.json","fetch_events":"https://pith.science/api/pith-number/DS53B7VAQISHL6YZHIBVGVEU3Z/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/DS53B7VAQISHL6YZHIBVGVEU3Z/action/timestamp_anchor","attest_storage":"https://pith.science/pith/DS53B7VAQISHL6YZHIBVGVEU3Z/action/storage_attestation","attest_author":"https://pith.science/pith/DS53B7VAQISHL6YZHIBVGVEU3Z/action/author_attestation","sign_citation":"https://pith.science/pith/DS53B7VAQISHL6YZHIBVGVEU3Z/action/citation_signature","submit_replication":"https://pith.science/pith/DS53B7VAQISHL6YZHIBVGVEU3Z/action/replication_record"}},"created_at":"2026-05-18T04:41:27.114676+00:00","updated_at":"2026-05-18T04:41:27.114676+00:00"}