{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2013:DBOFLYAIQXE7N4737BQKWVHBCQ","short_pith_number":"pith:DBOFLYAI","schema_version":"1.0","canonical_sha256":"185c55e00885c9f6f3fbf860ab54e11421ea1d69be934379dd75331e64bad6f6","source":{"kind":"arxiv","id":"1311.1252","version":2},"attestation_state":"computed","paper":{"title":"Structural and Magnetic Properties of CoO-Pt core-shell nanoparticles","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.mtrl-sci"],"primary_cat":"cond-mat.mes-hall","authors_text":"Adriana Zelenakova, Jozef Kovac, Mark W. Meisel, Stefan Michalik, Vladimir Zelenak","submitted_at":"2013-11-05T23:53:40Z","abstract_excerpt":"Using microemulsion methods, CoO-Pt core-shell nanoparticles (NPs), with diameters of nominally 4 nm, were synthesized and characterized by high-resolution transmission electron microscopy (HRTEM) and a suite of x-ray spectroscopies, including diffraction (XRD), absorption (XAS), absorption near-edge structure (XANES), and extended absorption fine structure (EXAFS), which confirmed the existence of CoO cores and pure Pt surface layers. Using a commercial magnetometer, the ac and dc magnetic properties were investigated over a range of temperature (2 K $\\leq$ T $\\leq$ 300 K), magnetic field ($\\"},"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":"1311.1252","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2013-11-05T23:53:40Z","cross_cats_sorted":["cond-mat.mtrl-sci"],"title_canon_sha256":"4f208ccfa61a86477e9b58a4a87bbcbe3a40fa1044db7f77cf47a9aaa4b67e29","abstract_canon_sha256":"7f1d9ccd9b891f9a7dc2b84dc74510f5cbcef5c83694c0fe494781b1d04b5e06"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:55:48.236574Z","signature_b64":"7xtnN7uIWhKZw/gQ9SeWb5g3OSMflTB7CqaSVZwMPSnHTRctiDwYeEcCVpxMOU8gdcV8D63y3qtT6/INT/0TAA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"185c55e00885c9f6f3fbf860ab54e11421ea1d69be934379dd75331e64bad6f6","last_reissued_at":"2026-05-18T02:55:48.235858Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:55:48.235858Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Structural and Magnetic Properties of CoO-Pt core-shell nanoparticles","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.mtrl-sci"],"primary_cat":"cond-mat.mes-hall","authors_text":"Adriana Zelenakova, Jozef Kovac, Mark W. Meisel, Stefan Michalik, Vladimir Zelenak","submitted_at":"2013-11-05T23:53:40Z","abstract_excerpt":"Using microemulsion methods, CoO-Pt core-shell nanoparticles (NPs), with diameters of nominally 4 nm, were synthesized and characterized by high-resolution transmission electron microscopy (HRTEM) and a suite of x-ray spectroscopies, including diffraction (XRD), absorption (XAS), absorption near-edge structure (XANES), and extended absorption fine structure (EXAFS), which confirmed the existence of CoO cores and pure Pt surface layers. Using a commercial magnetometer, the ac and dc magnetic properties were investigated over a range of temperature (2 K $\\leq$ T $\\leq$ 300 K), magnetic field ($\\"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1311.1252","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":"1311.1252","created_at":"2026-05-18T02:55:48.235962+00:00"},{"alias_kind":"arxiv_version","alias_value":"1311.1252v2","created_at":"2026-05-18T02:55:48.235962+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1311.1252","created_at":"2026-05-18T02:55:48.235962+00:00"},{"alias_kind":"pith_short_12","alias_value":"DBOFLYAIQXE7","created_at":"2026-05-18T12:27:40.988391+00:00"},{"alias_kind":"pith_short_16","alias_value":"DBOFLYAIQXE7N473","created_at":"2026-05-18T12:27:40.988391+00:00"},{"alias_kind":"pith_short_8","alias_value":"DBOFLYAI","created_at":"2026-05-18T12:27:40.988391+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/DBOFLYAIQXE7N4737BQKWVHBCQ","json":"https://pith.science/pith/DBOFLYAIQXE7N4737BQKWVHBCQ.json","graph_json":"https://pith.science/api/pith-number/DBOFLYAIQXE7N4737BQKWVHBCQ/graph.json","events_json":"https://pith.science/api/pith-number/DBOFLYAIQXE7N4737BQKWVHBCQ/events.json","paper":"https://pith.science/paper/DBOFLYAI"},"agent_actions":{"view_html":"https://pith.science/pith/DBOFLYAIQXE7N4737BQKWVHBCQ","download_json":"https://pith.science/pith/DBOFLYAIQXE7N4737BQKWVHBCQ.json","view_paper":"https://pith.science/paper/DBOFLYAI","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1311.1252&json=true","fetch_graph":"https://pith.science/api/pith-number/DBOFLYAIQXE7N4737BQKWVHBCQ/graph.json","fetch_events":"https://pith.science/api/pith-number/DBOFLYAIQXE7N4737BQKWVHBCQ/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/DBOFLYAIQXE7N4737BQKWVHBCQ/action/timestamp_anchor","attest_storage":"https://pith.science/pith/DBOFLYAIQXE7N4737BQKWVHBCQ/action/storage_attestation","attest_author":"https://pith.science/pith/DBOFLYAIQXE7N4737BQKWVHBCQ/action/author_attestation","sign_citation":"https://pith.science/pith/DBOFLYAIQXE7N4737BQKWVHBCQ/action/citation_signature","submit_replication":"https://pith.science/pith/DBOFLYAIQXE7N4737BQKWVHBCQ/action/replication_record"}},"created_at":"2026-05-18T02:55:48.235962+00:00","updated_at":"2026-05-18T02:55:48.235962+00:00"}