{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2007:PVKXLU7IOSQZZAAYKGPL3QBDE4","short_pith_number":"pith:PVKXLU7I","schema_version":"1.0","canonical_sha256":"7d5575d3e874a19c8018519ebdc023273ca7e39fb132d54bd3d2d5a6aa1f6713","source":{"kind":"arxiv","id":"0710.5705","version":1},"attestation_state":"computed","paper":{"title":"Magnetocaloric effect in nano- and polycrystalline manganite $La_{0.7}Ca_{0.3}MnO_3$","license":"","headline":"","cross_cats":["cond-mat.str-el"],"primary_cat":"cond-mat.mtrl-sci","authors_text":"J.F. Fagnard, M. Ausloos, M. Pekala, Ph. Vanderbemden, V. Drozd","submitted_at":"2007-10-29T09:22:20Z","abstract_excerpt":"$La_{0.7}Ca_{0.3}MnO_3$ samples were prepared in nano- and polycrystalline forms by sol-gel and solid state reaction methods, respectively, and structurally characterized by synchrotron X-ray diffraction. The magnetic properties determined by ac susceptibility and dc magnetization measurements are discussed. The magnetocaloric effect in this nanocrystalline manganite is spread over a broader temperature interval than in the polycrystalline case. The relative cooling power of the poly- and nanocrystalline manganites is used to evaluate a possible application for magnetic cooling below room temp"},"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":"0710.5705","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2007-10-29T09:22:20Z","cross_cats_sorted":["cond-mat.str-el"],"title_canon_sha256":"b8e6342a9ea1934158f15262307cd231bd0c698aa526c74a47ab5abc3759b90b","abstract_canon_sha256":"c6909d35c2ba31c380b144299a7f28651644fe6c7ddfa34a84c05ff48b65e47b"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:46:48.039946Z","signature_b64":"kOoPI8jpFnOOPdAYKcd7KK5B4HaeZFHg3SdZjRyLHzopXIkL+0JulVZF8v02l3SL/AxW7718eNPydT2K+bBrAQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"7d5575d3e874a19c8018519ebdc023273ca7e39fb132d54bd3d2d5a6aa1f6713","last_reissued_at":"2026-05-18T03:46:48.039112Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:46:48.039112Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Magnetocaloric effect in nano- and polycrystalline manganite $La_{0.7}Ca_{0.3}MnO_3$","license":"","headline":"","cross_cats":["cond-mat.str-el"],"primary_cat":"cond-mat.mtrl-sci","authors_text":"J.F. Fagnard, M. Ausloos, M. Pekala, Ph. Vanderbemden, V. Drozd","submitted_at":"2007-10-29T09:22:20Z","abstract_excerpt":"$La_{0.7}Ca_{0.3}MnO_3$ samples were prepared in nano- and polycrystalline forms by sol-gel and solid state reaction methods, respectively, and structurally characterized by synchrotron X-ray diffraction. The magnetic properties determined by ac susceptibility and dc magnetization measurements are discussed. The magnetocaloric effect in this nanocrystalline manganite is spread over a broader temperature interval than in the polycrystalline case. The relative cooling power of the poly- and nanocrystalline manganites is used to evaluate a possible application for magnetic cooling below room temp"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0710.5705","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":"0710.5705","created_at":"2026-05-18T03:46:48.039251+00:00"},{"alias_kind":"arxiv_version","alias_value":"0710.5705v1","created_at":"2026-05-18T03:46:48.039251+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0710.5705","created_at":"2026-05-18T03:46:48.039251+00:00"},{"alias_kind":"pith_short_12","alias_value":"PVKXLU7IOSQZ","created_at":"2026-05-18T12:25:55.427421+00:00"},{"alias_kind":"pith_short_16","alias_value":"PVKXLU7IOSQZZAAY","created_at":"2026-05-18T12:25:55.427421+00:00"},{"alias_kind":"pith_short_8","alias_value":"PVKXLU7I","created_at":"2026-05-18T12:25:55.427421+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/PVKXLU7IOSQZZAAYKGPL3QBDE4","json":"https://pith.science/pith/PVKXLU7IOSQZZAAYKGPL3QBDE4.json","graph_json":"https://pith.science/api/pith-number/PVKXLU7IOSQZZAAYKGPL3QBDE4/graph.json","events_json":"https://pith.science/api/pith-number/PVKXLU7IOSQZZAAYKGPL3QBDE4/events.json","paper":"https://pith.science/paper/PVKXLU7I"},"agent_actions":{"view_html":"https://pith.science/pith/PVKXLU7IOSQZZAAYKGPL3QBDE4","download_json":"https://pith.science/pith/PVKXLU7IOSQZZAAYKGPL3QBDE4.json","view_paper":"https://pith.science/paper/PVKXLU7I","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=0710.5705&json=true","fetch_graph":"https://pith.science/api/pith-number/PVKXLU7IOSQZZAAYKGPL3QBDE4/graph.json","fetch_events":"https://pith.science/api/pith-number/PVKXLU7IOSQZZAAYKGPL3QBDE4/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/PVKXLU7IOSQZZAAYKGPL3QBDE4/action/timestamp_anchor","attest_storage":"https://pith.science/pith/PVKXLU7IOSQZZAAYKGPL3QBDE4/action/storage_attestation","attest_author":"https://pith.science/pith/PVKXLU7IOSQZZAAYKGPL3QBDE4/action/author_attestation","sign_citation":"https://pith.science/pith/PVKXLU7IOSQZZAAYKGPL3QBDE4/action/citation_signature","submit_replication":"https://pith.science/pith/PVKXLU7IOSQZZAAYKGPL3QBDE4/action/replication_record"}},"created_at":"2026-05-18T03:46:48.039251+00:00","updated_at":"2026-05-18T03:46:48.039251+00:00"}