{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2017:MLWICTYBYT3KGHW6LS6EESDB33","short_pith_number":"pith:MLWICTYB","schema_version":"1.0","canonical_sha256":"62ec814f01c4f6a31ede5cbc424861dec2562bb4fba2b0088e8250195537a67f","source":{"kind":"arxiv","id":"1710.02413","version":1},"attestation_state":"computed","paper":{"title":"3d Transition Metals and Oxides within Carbon Nanotubes by Co-Pyrolysis of Metallocene & Camphor: High Filling Efficiency and Self-Organized Structures","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mtrl-sci","authors_text":"Aakanksha Kapoor, A.K. Nigam, Arka Bikash Dey, Ashna Bajpai, Nitesh Singh","submitted_at":"2017-10-06T14:06:10Z","abstract_excerpt":"We demonstrate that a single zone furnace with a modified synthesis chamber design is sufficient to obtain metal (Fe, Co or Ni) filled carbon nanotubes (CNT) with high filling efficiency and controlled morphology. Samples are formed by pyrolysis of metallocenes, a synthesis technique that otherwise requires a dual zone furnace. Respective metallocene in all three cases are sublimed in powder form, a crucial factor for obtaining high filling efficiency. While Fe@CNT is routinely produced using this technique, well-formed Ni@CNT or Co@CNT samples are reported for the first time. This is achieved"},"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":"1710.02413","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2017-10-06T14:06:10Z","cross_cats_sorted":[],"title_canon_sha256":"865c243d33059f1f8e9d3fec9912ac602de50a83e732d8d22938952cbdc686b0","abstract_canon_sha256":"b16581471558b587432d9c92eb097fb943837a5b09e2789d96d5a49f2250d647"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:33:33.463398Z","signature_b64":"HoyY6ik6rYJjuCrQ2boVnOl0yqIb49ag7NpdWx0Y9H+KS1JQyOkmytI+eGi5Lm9vdJ795NW3my3t8lU+EXOYDA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"62ec814f01c4f6a31ede5cbc424861dec2562bb4fba2b0088e8250195537a67f","last_reissued_at":"2026-05-18T00:33:33.462736Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:33:33.462736Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"3d Transition Metals and Oxides within Carbon Nanotubes by Co-Pyrolysis of Metallocene & Camphor: High Filling Efficiency and Self-Organized Structures","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mtrl-sci","authors_text":"Aakanksha Kapoor, A.K. Nigam, Arka Bikash Dey, Ashna Bajpai, Nitesh Singh","submitted_at":"2017-10-06T14:06:10Z","abstract_excerpt":"We demonstrate that a single zone furnace with a modified synthesis chamber design is sufficient to obtain metal (Fe, Co or Ni) filled carbon nanotubes (CNT) with high filling efficiency and controlled morphology. Samples are formed by pyrolysis of metallocenes, a synthesis technique that otherwise requires a dual zone furnace. Respective metallocene in all three cases are sublimed in powder form, a crucial factor for obtaining high filling efficiency. While Fe@CNT is routinely produced using this technique, well-formed Ni@CNT or Co@CNT samples are reported for the first time. This is achieved"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1710.02413","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":"1710.02413","created_at":"2026-05-18T00:33:33.462840+00:00"},{"alias_kind":"arxiv_version","alias_value":"1710.02413v1","created_at":"2026-05-18T00:33:33.462840+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1710.02413","created_at":"2026-05-18T00:33:33.462840+00:00"},{"alias_kind":"pith_short_12","alias_value":"MLWICTYBYT3K","created_at":"2026-05-18T12:31:31.346846+00:00"},{"alias_kind":"pith_short_16","alias_value":"MLWICTYBYT3KGHW6","created_at":"2026-05-18T12:31:31.346846+00:00"},{"alias_kind":"pith_short_8","alias_value":"MLWICTYB","created_at":"2026-05-18T12:31:31.346846+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/MLWICTYBYT3KGHW6LS6EESDB33","json":"https://pith.science/pith/MLWICTYBYT3KGHW6LS6EESDB33.json","graph_json":"https://pith.science/api/pith-number/MLWICTYBYT3KGHW6LS6EESDB33/graph.json","events_json":"https://pith.science/api/pith-number/MLWICTYBYT3KGHW6LS6EESDB33/events.json","paper":"https://pith.science/paper/MLWICTYB"},"agent_actions":{"view_html":"https://pith.science/pith/MLWICTYBYT3KGHW6LS6EESDB33","download_json":"https://pith.science/pith/MLWICTYBYT3KGHW6LS6EESDB33.json","view_paper":"https://pith.science/paper/MLWICTYB","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1710.02413&json=true","fetch_graph":"https://pith.science/api/pith-number/MLWICTYBYT3KGHW6LS6EESDB33/graph.json","fetch_events":"https://pith.science/api/pith-number/MLWICTYBYT3KGHW6LS6EESDB33/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/MLWICTYBYT3KGHW6LS6EESDB33/action/timestamp_anchor","attest_storage":"https://pith.science/pith/MLWICTYBYT3KGHW6LS6EESDB33/action/storage_attestation","attest_author":"https://pith.science/pith/MLWICTYBYT3KGHW6LS6EESDB33/action/author_attestation","sign_citation":"https://pith.science/pith/MLWICTYBYT3KGHW6LS6EESDB33/action/citation_signature","submit_replication":"https://pith.science/pith/MLWICTYBYT3KGHW6LS6EESDB33/action/replication_record"}},"created_at":"2026-05-18T00:33:33.462840+00:00","updated_at":"2026-05-18T00:33:33.462840+00:00"}