{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2022:QVD4JCMPS6PIZSUNPL5TNJET3M","short_pith_number":"pith:QVD4JCMP","schema_version":"1.0","canonical_sha256":"8547c4898f979e8cca8d7afb36a493db104fe21c90683337324969340e335872","source":{"kind":"arxiv","id":"2208.14330","version":2},"attestation_state":"computed","paper":{"title":"Growth of Ultrathin Bi$_2$Se$_3$ Films by Molecular Beam Epitaxy","license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mtrl-sci","authors_text":"Saadia Nasir, Stephanie Law, Thomas E. Beechem, Walter J. Smith","submitted_at":"2022-08-30T15:12:03Z","abstract_excerpt":"Bi$_2$Se$_3$ is a widely studied 3D topological insulator having potential applications in optics, electronics, and spintronics. When the thickness of these films decrease to less than approximately 6 nm, the top and bottom surface states couple, resulting in the opening of a small gap at the Dirac point. In the 2D limit, Bi$_2$Se$_3$ may exhibit quantum spin Hall states. However, growing coalesced ultra-thin Bi$_2$Se$_3$ films with a controllable thickness and typical triangular domain morphology in the few nanometer range is challenging. Here, we explore the growth of Bi$_2$Se$_3$ films havi"},"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":"2208.14330","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2022-08-30T15:12:03Z","cross_cats_sorted":[],"title_canon_sha256":"e14dd2ed385db4b82333a2802e878ec7b5da16f22a4bbaf9a4b6b8fb2dd30ca9","abstract_canon_sha256":"9fd632a00cdebe173ee9c03464683ff2d9cb9f4fda9b3f2a323b92ff2bf3bf4d"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T08:33:28.625671Z","signature_b64":"WRIKOAGQmaIQ2cQJ/5aRwOUBRF7ip3SmZSq5J2R6ZCwuE6HvAqIfO19EqRHbl9wB+yQOiDzzVoXGyKNJD1BUCg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"8547c4898f979e8cca8d7afb36a493db104fe21c90683337324969340e335872","last_reissued_at":"2026-07-05T08:33:28.625227Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T08:33:28.625227Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Growth of Ultrathin Bi$_2$Se$_3$ Films by Molecular Beam Epitaxy","license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mtrl-sci","authors_text":"Saadia Nasir, Stephanie Law, Thomas E. Beechem, Walter J. Smith","submitted_at":"2022-08-30T15:12:03Z","abstract_excerpt":"Bi$_2$Se$_3$ is a widely studied 3D topological insulator having potential applications in optics, electronics, and spintronics. When the thickness of these films decrease to less than approximately 6 nm, the top and bottom surface states couple, resulting in the opening of a small gap at the Dirac point. In the 2D limit, Bi$_2$Se$_3$ may exhibit quantum spin Hall states. However, growing coalesced ultra-thin Bi$_2$Se$_3$ films with a controllable thickness and typical triangular domain morphology in the few nanometer range is challenging. Here, we explore the growth of Bi$_2$Se$_3$ films havi"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2208.14330","kind":"arxiv","version":2},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2208.14330/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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":"2208.14330","created_at":"2026-07-05T08:33:28.625286+00:00"},{"alias_kind":"arxiv_version","alias_value":"2208.14330v2","created_at":"2026-07-05T08:33:28.625286+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2208.14330","created_at":"2026-07-05T08:33:28.625286+00:00"},{"alias_kind":"pith_short_12","alias_value":"QVD4JCMPS6PI","created_at":"2026-07-05T08:33:28.625286+00:00"},{"alias_kind":"pith_short_16","alias_value":"QVD4JCMPS6PIZSUN","created_at":"2026-07-05T08:33:28.625286+00:00"},{"alias_kind":"pith_short_8","alias_value":"QVD4JCMP","created_at":"2026-07-05T08:33:28.625286+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/QVD4JCMPS6PIZSUNPL5TNJET3M","json":"https://pith.science/pith/QVD4JCMPS6PIZSUNPL5TNJET3M.json","graph_json":"https://pith.science/api/pith-number/QVD4JCMPS6PIZSUNPL5TNJET3M/graph.json","events_json":"https://pith.science/api/pith-number/QVD4JCMPS6PIZSUNPL5TNJET3M/events.json","paper":"https://pith.science/paper/QVD4JCMP"},"agent_actions":{"view_html":"https://pith.science/pith/QVD4JCMPS6PIZSUNPL5TNJET3M","download_json":"https://pith.science/pith/QVD4JCMPS6PIZSUNPL5TNJET3M.json","view_paper":"https://pith.science/paper/QVD4JCMP","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2208.14330&json=true","fetch_graph":"https://pith.science/api/pith-number/QVD4JCMPS6PIZSUNPL5TNJET3M/graph.json","fetch_events":"https://pith.science/api/pith-number/QVD4JCMPS6PIZSUNPL5TNJET3M/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/QVD4JCMPS6PIZSUNPL5TNJET3M/action/timestamp_anchor","attest_storage":"https://pith.science/pith/QVD4JCMPS6PIZSUNPL5TNJET3M/action/storage_attestation","attest_author":"https://pith.science/pith/QVD4JCMPS6PIZSUNPL5TNJET3M/action/author_attestation","sign_citation":"https://pith.science/pith/QVD4JCMPS6PIZSUNPL5TNJET3M/action/citation_signature","submit_replication":"https://pith.science/pith/QVD4JCMPS6PIZSUNPL5TNJET3M/action/replication_record"}},"created_at":"2026-07-05T08:33:28.625286+00:00","updated_at":"2026-07-05T08:33:28.625286+00:00"}