{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2010:FMHHLG72DWO4IYO7A4HKJUBLAO","short_pith_number":"pith:FMHHLG72","schema_version":"1.0","canonical_sha256":"2b0e759bfa1d9dc461df070ea4d02b03bef881bdfd950924e8463e721d36438f","source":{"kind":"arxiv","id":"1001.1030","version":1},"attestation_state":"computed","paper":{"title":"Anisotropic Connectivity and its Influence on Critical Current Densities, Irreversibility Fields, and Flux Creep in In-Situ-Processed MgB2 Strands","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.supr-con","authors_text":"E.W. Collings, M. A. Susner, M. D. Sumption, M.J. Tomsic, M Majoros, M. Rindfleisch, X. Peng, Z. X. Shi","submitted_at":"2010-01-07T06:43:09Z","abstract_excerpt":"The anisotropy of the critical current density (Jc) and its influence on measurement of irreversibility field (Birr) has been investigated for high quality, in-situ MgB2 strands. Comparison of transport and magnetization measurements has revealed the onset of a regime where large differences exist between transport and magnetically measured values of the critical current density and Birr. These effects, initially unexpected due to the lack of crystalline texture in these in-situ processed strands, appear to be due to a fibrous microstructure, connected with the details of the wire fabrication "},"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":"1001.1030","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2010-01-07T06:43:09Z","cross_cats_sorted":[],"title_canon_sha256":"5dfb0953781e8813c00106df0a782fc24e6b12413149d94396fe5a9fd4b7add4","abstract_canon_sha256":"8aaca93de6afed5128ef49dc03856c56f7efffa4c7d0e5a3a93545f688eaffe3"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:10:04.185772Z","signature_b64":"jXJ8GWlYcCdwxonVi83JEYsywMuB7mP2sKo3lyVXI+nztJRWDUAJph+wQtuv68BfMrALfBqWxMl4EEGX1kcgDQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"2b0e759bfa1d9dc461df070ea4d02b03bef881bdfd950924e8463e721d36438f","last_reissued_at":"2026-05-18T02:10:04.185372Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:10:04.185372Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Anisotropic Connectivity and its Influence on Critical Current Densities, Irreversibility Fields, and Flux Creep in In-Situ-Processed MgB2 Strands","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.supr-con","authors_text":"E.W. Collings, M. A. Susner, M. D. Sumption, M.J. Tomsic, M Majoros, M. Rindfleisch, X. Peng, Z. X. Shi","submitted_at":"2010-01-07T06:43:09Z","abstract_excerpt":"The anisotropy of the critical current density (Jc) and its influence on measurement of irreversibility field (Birr) has been investigated for high quality, in-situ MgB2 strands. Comparison of transport and magnetization measurements has revealed the onset of a regime where large differences exist between transport and magnetically measured values of the critical current density and Birr. These effects, initially unexpected due to the lack of crystalline texture in these in-situ processed strands, appear to be due to a fibrous microstructure, connected with the details of the wire fabrication "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1001.1030","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":"1001.1030","created_at":"2026-05-18T02:10:04.185445+00:00"},{"alias_kind":"arxiv_version","alias_value":"1001.1030v1","created_at":"2026-05-18T02:10:04.185445+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1001.1030","created_at":"2026-05-18T02:10:04.185445+00:00"},{"alias_kind":"pith_short_12","alias_value":"FMHHLG72DWO4","created_at":"2026-05-18T12:26:07.630475+00:00"},{"alias_kind":"pith_short_16","alias_value":"FMHHLG72DWO4IYO7","created_at":"2026-05-18T12:26:07.630475+00:00"},{"alias_kind":"pith_short_8","alias_value":"FMHHLG72","created_at":"2026-05-18T12:26:07.630475+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/FMHHLG72DWO4IYO7A4HKJUBLAO","json":"https://pith.science/pith/FMHHLG72DWO4IYO7A4HKJUBLAO.json","graph_json":"https://pith.science/api/pith-number/FMHHLG72DWO4IYO7A4HKJUBLAO/graph.json","events_json":"https://pith.science/api/pith-number/FMHHLG72DWO4IYO7A4HKJUBLAO/events.json","paper":"https://pith.science/paper/FMHHLG72"},"agent_actions":{"view_html":"https://pith.science/pith/FMHHLG72DWO4IYO7A4HKJUBLAO","download_json":"https://pith.science/pith/FMHHLG72DWO4IYO7A4HKJUBLAO.json","view_paper":"https://pith.science/paper/FMHHLG72","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1001.1030&json=true","fetch_graph":"https://pith.science/api/pith-number/FMHHLG72DWO4IYO7A4HKJUBLAO/graph.json","fetch_events":"https://pith.science/api/pith-number/FMHHLG72DWO4IYO7A4HKJUBLAO/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/FMHHLG72DWO4IYO7A4HKJUBLAO/action/timestamp_anchor","attest_storage":"https://pith.science/pith/FMHHLG72DWO4IYO7A4HKJUBLAO/action/storage_attestation","attest_author":"https://pith.science/pith/FMHHLG72DWO4IYO7A4HKJUBLAO/action/author_attestation","sign_citation":"https://pith.science/pith/FMHHLG72DWO4IYO7A4HKJUBLAO/action/citation_signature","submit_replication":"https://pith.science/pith/FMHHLG72DWO4IYO7A4HKJUBLAO/action/replication_record"}},"created_at":"2026-05-18T02:10:04.185445+00:00","updated_at":"2026-05-18T02:10:04.185445+00:00"}