{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2013:BQJIYPIUU7O5LTHFSTQBVKXF34","short_pith_number":"pith:BQJIYPIU","schema_version":"1.0","canonical_sha256":"0c128c3d14a7ddd5cce594e01aaae5df298b12c3e1b325f27cf21fa4f9b529ca","source":{"kind":"arxiv","id":"1311.4983","version":1},"attestation_state":"computed","paper":{"title":"Van der Waals density functional study of the structural and electronic properties of La-doped phenanthrene","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.mtrl-sci","cond-mat.str-el"],"primary_cat":"cond-mat.supr-con","authors_text":"Hai-Qing Lin, Xun-Wang Yan, Zhongbing Huang","submitted_at":"2013-11-20T08:44:54Z","abstract_excerpt":"By the first principles calculations based on the van der Waals density functional theory, we study the crystal structures and electronic properties of La-doped phenanthrene. Two stable atomic geometries of La$_1$phenanthrene are obtained by relaxation of atomic positions from various initial structures. The structure-\\uppercase\\expandafter{\\romannumeral1} is a metal with two energy bands crossing the Fermi level, while the structure-\\uppercase\\expandafter{\\romannumeral2} displays a semiconducting state with an energy gap of 0.15 eV, which has an energy gain of 0.42 eV per unit cell compared t"},"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":"1311.4983","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2013-11-20T08:44:54Z","cross_cats_sorted":["cond-mat.mtrl-sci","cond-mat.str-el"],"title_canon_sha256":"d4333e0ffed5cb755f5f109c54b160c10d357981c88432ff01baeb5d45543217","abstract_canon_sha256":"2489208881827a3ff8ca2641675cff7fa5ff08b5fd986979a1b28851b1a05b76"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:57:06.372842Z","signature_b64":"GMzds3cDchUqKcLkhdeDr44ILcGveVHiqr37pog1Q3MBaJqFYMOb9FdxHmNvNwBsQ+9sBuS//OihN8jZZCkIAg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"0c128c3d14a7ddd5cce594e01aaae5df298b12c3e1b325f27cf21fa4f9b529ca","last_reissued_at":"2026-05-18T02:57:06.372352Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:57:06.372352Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Van der Waals density functional study of the structural and electronic properties of La-doped phenanthrene","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.mtrl-sci","cond-mat.str-el"],"primary_cat":"cond-mat.supr-con","authors_text":"Hai-Qing Lin, Xun-Wang Yan, Zhongbing Huang","submitted_at":"2013-11-20T08:44:54Z","abstract_excerpt":"By the first principles calculations based on the van der Waals density functional theory, we study the crystal structures and electronic properties of La-doped phenanthrene. Two stable atomic geometries of La$_1$phenanthrene are obtained by relaxation of atomic positions from various initial structures. The structure-\\uppercase\\expandafter{\\romannumeral1} is a metal with two energy bands crossing the Fermi level, while the structure-\\uppercase\\expandafter{\\romannumeral2} displays a semiconducting state with an energy gap of 0.15 eV, which has an energy gain of 0.42 eV per unit cell compared t"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1311.4983","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":"1311.4983","created_at":"2026-05-18T02:57:06.372436+00:00"},{"alias_kind":"arxiv_version","alias_value":"1311.4983v1","created_at":"2026-05-18T02:57:06.372436+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1311.4983","created_at":"2026-05-18T02:57:06.372436+00:00"},{"alias_kind":"pith_short_12","alias_value":"BQJIYPIUU7O5","created_at":"2026-05-18T12:27:40.988391+00:00"},{"alias_kind":"pith_short_16","alias_value":"BQJIYPIUU7O5LTHF","created_at":"2026-05-18T12:27:40.988391+00:00"},{"alias_kind":"pith_short_8","alias_value":"BQJIYPIU","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/BQJIYPIUU7O5LTHFSTQBVKXF34","json":"https://pith.science/pith/BQJIYPIUU7O5LTHFSTQBVKXF34.json","graph_json":"https://pith.science/api/pith-number/BQJIYPIUU7O5LTHFSTQBVKXF34/graph.json","events_json":"https://pith.science/api/pith-number/BQJIYPIUU7O5LTHFSTQBVKXF34/events.json","paper":"https://pith.science/paper/BQJIYPIU"},"agent_actions":{"view_html":"https://pith.science/pith/BQJIYPIUU7O5LTHFSTQBVKXF34","download_json":"https://pith.science/pith/BQJIYPIUU7O5LTHFSTQBVKXF34.json","view_paper":"https://pith.science/paper/BQJIYPIU","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1311.4983&json=true","fetch_graph":"https://pith.science/api/pith-number/BQJIYPIUU7O5LTHFSTQBVKXF34/graph.json","fetch_events":"https://pith.science/api/pith-number/BQJIYPIUU7O5LTHFSTQBVKXF34/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/BQJIYPIUU7O5LTHFSTQBVKXF34/action/timestamp_anchor","attest_storage":"https://pith.science/pith/BQJIYPIUU7O5LTHFSTQBVKXF34/action/storage_attestation","attest_author":"https://pith.science/pith/BQJIYPIUU7O5LTHFSTQBVKXF34/action/author_attestation","sign_citation":"https://pith.science/pith/BQJIYPIUU7O5LTHFSTQBVKXF34/action/citation_signature","submit_replication":"https://pith.science/pith/BQJIYPIUU7O5LTHFSTQBVKXF34/action/replication_record"}},"created_at":"2026-05-18T02:57:06.372436+00:00","updated_at":"2026-05-18T02:57:06.372436+00:00"}