{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2016:B54DDM7LHX5KWCJ6QFYB77J6IX","short_pith_number":"pith:B54DDM7L","schema_version":"1.0","canonical_sha256":"0f7831b3eb3dfaab093e81701ffd3e45ed1ff16b988e01d91f0b26b6e4238eeb","source":{"kind":"arxiv","id":"1601.04327","version":1},"attestation_state":"computed","paper":{"title":"Criteria for directly detecting topological Fermi arcs in Weyl semimetals","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mes-hall","authors_text":"Arun Bansil, BaoKai Wang, Cheng Guo, Chi-Cheng Lee, Daniel Sanchez, Guang Bian, Guoqing Chang, Hao Zheng, Horng-Tay Jeng, Hsin Lin, Ilya Belopolski, Madhab Neupane, M. Zahid Hasan, Nasser Alidoust, Shin-Ming Huang, Shuang Jia, Su-Yang Xu, Tay-Rong Chang, Xiao Zhang","submitted_at":"2016-01-17T19:14:48Z","abstract_excerpt":"The recent discovery of the first Weyl semimetal in TaAs provides the first observation of a Weyl fermion in nature and demonstrates a novel type of anomalous surface state, the Fermi arc. Like topological insulators, the bulk topological invariants of a Weyl semimetal are uniquely fixed by the surface states of a bulk sample. Here, we present a set of distinct conditions, accessible by angle-resolved photoemission spectroscopy (ARPES), each of which demonstrates topological Fermi arcs in a surface state band structure, with minimal reliance on calculation. We apply these results to TaAs and N"},"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":"1601.04327","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2016-01-17T19:14:48Z","cross_cats_sorted":[],"title_canon_sha256":"3c5bc4fab04914b3d0ea0001aa99a4d4e3b9f3efe3d8ede947f542439a6fa449","abstract_canon_sha256":"b36718f99f009a2ba1b2f52e0935ec0c5d9e9c052faf547071daea9fa6bfd55e"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:20:32.140388Z","signature_b64":"MCy+mopTSedxAxD09texF30NVjsVY/fNw6gqN7dMEfZnJ6kdpdk/Os/nvcJhpx0VWrsb8lWax/wk08KuEQjTDA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"0f7831b3eb3dfaab093e81701ffd3e45ed1ff16b988e01d91f0b26b6e4238eeb","last_reissued_at":"2026-05-18T01:20:32.139742Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:20:32.139742Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Criteria for directly detecting topological Fermi arcs in Weyl semimetals","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mes-hall","authors_text":"Arun Bansil, BaoKai Wang, Cheng Guo, Chi-Cheng Lee, Daniel Sanchez, Guang Bian, Guoqing Chang, Hao Zheng, Horng-Tay Jeng, Hsin Lin, Ilya Belopolski, Madhab Neupane, M. Zahid Hasan, Nasser Alidoust, Shin-Ming Huang, Shuang Jia, Su-Yang Xu, Tay-Rong Chang, Xiao Zhang","submitted_at":"2016-01-17T19:14:48Z","abstract_excerpt":"The recent discovery of the first Weyl semimetal in TaAs provides the first observation of a Weyl fermion in nature and demonstrates a novel type of anomalous surface state, the Fermi arc. Like topological insulators, the bulk topological invariants of a Weyl semimetal are uniquely fixed by the surface states of a bulk sample. Here, we present a set of distinct conditions, accessible by angle-resolved photoemission spectroscopy (ARPES), each of which demonstrates topological Fermi arcs in a surface state band structure, with minimal reliance on calculation. We apply these results to TaAs and N"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1601.04327","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":"1601.04327","created_at":"2026-05-18T01:20:32.139850+00:00"},{"alias_kind":"arxiv_version","alias_value":"1601.04327v1","created_at":"2026-05-18T01:20:32.139850+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1601.04327","created_at":"2026-05-18T01:20:32.139850+00:00"},{"alias_kind":"pith_short_12","alias_value":"B54DDM7LHX5K","created_at":"2026-05-18T12:30:07.202191+00:00"},{"alias_kind":"pith_short_16","alias_value":"B54DDM7LHX5KWCJ6","created_at":"2026-05-18T12:30:07.202191+00:00"},{"alias_kind":"pith_short_8","alias_value":"B54DDM7L","created_at":"2026-05-18T12:30:07.202191+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/B54DDM7LHX5KWCJ6QFYB77J6IX","json":"https://pith.science/pith/B54DDM7LHX5KWCJ6QFYB77J6IX.json","graph_json":"https://pith.science/api/pith-number/B54DDM7LHX5KWCJ6QFYB77J6IX/graph.json","events_json":"https://pith.science/api/pith-number/B54DDM7LHX5KWCJ6QFYB77J6IX/events.json","paper":"https://pith.science/paper/B54DDM7L"},"agent_actions":{"view_html":"https://pith.science/pith/B54DDM7LHX5KWCJ6QFYB77J6IX","download_json":"https://pith.science/pith/B54DDM7LHX5KWCJ6QFYB77J6IX.json","view_paper":"https://pith.science/paper/B54DDM7L","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1601.04327&json=true","fetch_graph":"https://pith.science/api/pith-number/B54DDM7LHX5KWCJ6QFYB77J6IX/graph.json","fetch_events":"https://pith.science/api/pith-number/B54DDM7LHX5KWCJ6QFYB77J6IX/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/B54DDM7LHX5KWCJ6QFYB77J6IX/action/timestamp_anchor","attest_storage":"https://pith.science/pith/B54DDM7LHX5KWCJ6QFYB77J6IX/action/storage_attestation","attest_author":"https://pith.science/pith/B54DDM7LHX5KWCJ6QFYB77J6IX/action/author_attestation","sign_citation":"https://pith.science/pith/B54DDM7LHX5KWCJ6QFYB77J6IX/action/citation_signature","submit_replication":"https://pith.science/pith/B54DDM7LHX5KWCJ6QFYB77J6IX/action/replication_record"}},"created_at":"2026-05-18T01:20:32.139850+00:00","updated_at":"2026-05-18T01:20:32.139850+00:00"}