{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2001:CRKP6XM7LNDNZ3XMLXCBSP7I6C","short_pith_number":"pith:CRKP6XM7","schema_version":"1.0","canonical_sha256":"1454ff5d9f5b46dceeec5dc4193fe8f0a47d804ba38aa41c88cb0221ff6425d4","source":{"kind":"arxiv","id":"cond-mat/0111152","version":1},"attestation_state":"computed","paper":{"title":"Electronic structure of MgB$_2$ from angle-resolved photoemission spectroscopy","license":"","headline":"","cross_cats":[],"primary_cat":"cond-mat.supr-con","authors_text":"A. Damascelli, D.H. Lu, D.L. Feng, H. Uchiyama, K.M. Shen, S. Lee, S.Tajima, Z.-X. Shen","submitted_at":"2001-11-09T07:50:11Z","abstract_excerpt":"The first angle-resolved photoemission spectroscopy results from MgB$_2$ single crystals are reported. Close to the $\\Gamma$K and $\\Gamma$M directions, three distinct dispersions are observed approaching the Fermi energy, as can be assigned to the theoretically predicted $\\sigma$ (B $2p_{x,y}$) and $\\pi$ (B $2p_z$) bands. In addition, we also observed a small parabolic-like band centered around $\\Gamma$, and attributed it to a surface-derived state. Good agreement between our results and the band calculations suggests that the electronic structure of MgB$_2$ is of a conventional nature, thus i"},"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":"cond-mat/0111152","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"cond-mat.supr-con","submitted_at":"2001-11-09T07:50:11Z","cross_cats_sorted":[],"title_canon_sha256":"754fc806287cc7137827bd9e57abf4fb01795b41c83e6c807740e95bbe40ad8b","abstract_canon_sha256":"f3689b52fc9c0e703ddd8f86117781a11b08aec373652f96c95267b80f92939c"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:07:01.996207Z","signature_b64":"BXxKQ/119BWL30o0+amaa2airlruQGfcYZ5PrT4TEll3ooPssOiVgbCBcqQCuCvWWqceFG8AM76TwCdKkUYABw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"1454ff5d9f5b46dceeec5dc4193fe8f0a47d804ba38aa41c88cb0221ff6425d4","last_reissued_at":"2026-05-18T01:07:01.995443Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:07:01.995443Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Electronic structure of MgB$_2$ from angle-resolved photoemission spectroscopy","license":"","headline":"","cross_cats":[],"primary_cat":"cond-mat.supr-con","authors_text":"A. Damascelli, D.H. Lu, D.L. Feng, H. Uchiyama, K.M. Shen, S. Lee, S.Tajima, Z.-X. Shen","submitted_at":"2001-11-09T07:50:11Z","abstract_excerpt":"The first angle-resolved photoemission spectroscopy results from MgB$_2$ single crystals are reported. Close to the $\\Gamma$K and $\\Gamma$M directions, three distinct dispersions are observed approaching the Fermi energy, as can be assigned to the theoretically predicted $\\sigma$ (B $2p_{x,y}$) and $\\pi$ (B $2p_z$) bands. In addition, we also observed a small parabolic-like band centered around $\\Gamma$, and attributed it to a surface-derived state. Good agreement between our results and the band calculations suggests that the electronic structure of MgB$_2$ is of a conventional nature, thus i"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"cond-mat/0111152","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":"cond-mat/0111152","created_at":"2026-05-18T01:07:01.995570+00:00"},{"alias_kind":"arxiv_version","alias_value":"cond-mat/0111152v1","created_at":"2026-05-18T01:07:01.995570+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.cond-mat/0111152","created_at":"2026-05-18T01:07:01.995570+00:00"},{"alias_kind":"pith_short_12","alias_value":"CRKP6XM7LNDN","created_at":"2026-05-18T12:25:50.254431+00:00"},{"alias_kind":"pith_short_16","alias_value":"CRKP6XM7LNDNZ3XM","created_at":"2026-05-18T12:25:50.254431+00:00"},{"alias_kind":"pith_short_8","alias_value":"CRKP6XM7","created_at":"2026-05-18T12:25:50.254431+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/CRKP6XM7LNDNZ3XMLXCBSP7I6C","json":"https://pith.science/pith/CRKP6XM7LNDNZ3XMLXCBSP7I6C.json","graph_json":"https://pith.science/api/pith-number/CRKP6XM7LNDNZ3XMLXCBSP7I6C/graph.json","events_json":"https://pith.science/api/pith-number/CRKP6XM7LNDNZ3XMLXCBSP7I6C/events.json","paper":"https://pith.science/paper/CRKP6XM7"},"agent_actions":{"view_html":"https://pith.science/pith/CRKP6XM7LNDNZ3XMLXCBSP7I6C","download_json":"https://pith.science/pith/CRKP6XM7LNDNZ3XMLXCBSP7I6C.json","view_paper":"https://pith.science/paper/CRKP6XM7","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=cond-mat/0111152&json=true","fetch_graph":"https://pith.science/api/pith-number/CRKP6XM7LNDNZ3XMLXCBSP7I6C/graph.json","fetch_events":"https://pith.science/api/pith-number/CRKP6XM7LNDNZ3XMLXCBSP7I6C/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/CRKP6XM7LNDNZ3XMLXCBSP7I6C/action/timestamp_anchor","attest_storage":"https://pith.science/pith/CRKP6XM7LNDNZ3XMLXCBSP7I6C/action/storage_attestation","attest_author":"https://pith.science/pith/CRKP6XM7LNDNZ3XMLXCBSP7I6C/action/author_attestation","sign_citation":"https://pith.science/pith/CRKP6XM7LNDNZ3XMLXCBSP7I6C/action/citation_signature","submit_replication":"https://pith.science/pith/CRKP6XM7LNDNZ3XMLXCBSP7I6C/action/replication_record"}},"created_at":"2026-05-18T01:07:01.995570+00:00","updated_at":"2026-05-18T01:07:01.995570+00:00"}