{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2010:F4D2TZTACPC6LMAA3ZGYNBEUIN","short_pith_number":"pith:F4D2TZTA","schema_version":"1.0","canonical_sha256":"2f07a9e66013c5e5b000de4d8684944368a98540edfaf51bdc9cdf1e6b2c61a0","source":{"kind":"arxiv","id":"1010.4289","version":1},"attestation_state":"computed","paper":{"title":"Differential Conductance Measurements of MgB2-Based Josephson Junctions Below 1 Kelvin","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.supr-con","authors_text":"Jerome Mlack, Joseph Lambert, Roberto Ramos, Steve Carabello","submitted_at":"2010-10-20T19:41:45Z","abstract_excerpt":"Magnesium diboride has many intriguing characteristics, including its relatively high critical temperature and two-band nature. Most prior studies of MgB2 thin film Josephson junctions have been conducted above 2 Kelvin. We report results of sub-1 Kelvin experiments of MgB2/insulator/Pb junctions whose a-b plane is exposed for electron tunneling. By measuring differential conductance at low temperature, new details in the structure of the sigma- and pi-band gaps are observed in this data, consistent with theoretical predictions."},"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":"1010.4289","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2010-10-20T19:41:45Z","cross_cats_sorted":[],"title_canon_sha256":"cee8b7fb4fa90e51d3d7fb8fa1cd2bacbfcd301f856e231525d77c6006833cb9","abstract_canon_sha256":"9f340bc78ab8e283c57a0f23e6cb0ad9c1ce80b2e27d6c9cd04136a0fd44ab37"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:05:00.422296Z","signature_b64":"t2oS4NUVdoR6Y9tOpurcr2G1ps+eS8lwRT4n8PVZl4KaqLcmV11+kOBb/e2dhJCv1jZE+5oh56vzwV9jeIxdBA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"2f07a9e66013c5e5b000de4d8684944368a98540edfaf51bdc9cdf1e6b2c61a0","last_reissued_at":"2026-05-18T02:05:00.421676Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:05:00.421676Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Differential Conductance Measurements of MgB2-Based Josephson Junctions Below 1 Kelvin","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.supr-con","authors_text":"Jerome Mlack, Joseph Lambert, Roberto Ramos, Steve Carabello","submitted_at":"2010-10-20T19:41:45Z","abstract_excerpt":"Magnesium diboride has many intriguing characteristics, including its relatively high critical temperature and two-band nature. Most prior studies of MgB2 thin film Josephson junctions have been conducted above 2 Kelvin. We report results of sub-1 Kelvin experiments of MgB2/insulator/Pb junctions whose a-b plane is exposed for electron tunneling. By measuring differential conductance at low temperature, new details in the structure of the sigma- and pi-band gaps are observed in this data, consistent with theoretical predictions."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1010.4289","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":"1010.4289","created_at":"2026-05-18T02:05:00.421782+00:00"},{"alias_kind":"arxiv_version","alias_value":"1010.4289v1","created_at":"2026-05-18T02:05:00.421782+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1010.4289","created_at":"2026-05-18T02:05:00.421782+00:00"},{"alias_kind":"pith_short_12","alias_value":"F4D2TZTACPC6","created_at":"2026-05-18T12:26:06.534383+00:00"},{"alias_kind":"pith_short_16","alias_value":"F4D2TZTACPC6LMAA","created_at":"2026-05-18T12:26:06.534383+00:00"},{"alias_kind":"pith_short_8","alias_value":"F4D2TZTA","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/F4D2TZTACPC6LMAA3ZGYNBEUIN","json":"https://pith.science/pith/F4D2TZTACPC6LMAA3ZGYNBEUIN.json","graph_json":"https://pith.science/api/pith-number/F4D2TZTACPC6LMAA3ZGYNBEUIN/graph.json","events_json":"https://pith.science/api/pith-number/F4D2TZTACPC6LMAA3ZGYNBEUIN/events.json","paper":"https://pith.science/paper/F4D2TZTA"},"agent_actions":{"view_html":"https://pith.science/pith/F4D2TZTACPC6LMAA3ZGYNBEUIN","download_json":"https://pith.science/pith/F4D2TZTACPC6LMAA3ZGYNBEUIN.json","view_paper":"https://pith.science/paper/F4D2TZTA","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1010.4289&json=true","fetch_graph":"https://pith.science/api/pith-number/F4D2TZTACPC6LMAA3ZGYNBEUIN/graph.json","fetch_events":"https://pith.science/api/pith-number/F4D2TZTACPC6LMAA3ZGYNBEUIN/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/F4D2TZTACPC6LMAA3ZGYNBEUIN/action/timestamp_anchor","attest_storage":"https://pith.science/pith/F4D2TZTACPC6LMAA3ZGYNBEUIN/action/storage_attestation","attest_author":"https://pith.science/pith/F4D2TZTACPC6LMAA3ZGYNBEUIN/action/author_attestation","sign_citation":"https://pith.science/pith/F4D2TZTACPC6LMAA3ZGYNBEUIN/action/citation_signature","submit_replication":"https://pith.science/pith/F4D2TZTACPC6LMAA3ZGYNBEUIN/action/replication_record"}},"created_at":"2026-05-18T02:05:00.421782+00:00","updated_at":"2026-05-18T02:05:00.421782+00:00"}