{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2015:2FZ4AFREKIQJPN2SC6RDS4AL7T","short_pith_number":"pith:2FZ4AFRE","schema_version":"1.0","canonical_sha256":"d173c01624522097b75217a239700bfcffb576e86d9e7bbbcc34643046e95e4d","source":{"kind":"arxiv","id":"1510.01802","version":1},"attestation_state":"computed","paper":{"title":"Vector Optical Activity in the Weyl Semimetal TaAs","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.str-el","authors_text":"M. R. Norman","submitted_at":"2015-10-07T01:52:19Z","abstract_excerpt":"It is shown that the Weyl semimetal TaAs can have a significant polar vector contribution to its optical activity. This is quantified by ab initio calculations of the resonant x-ray diffraction at the Ta L1 edge. For the Bragg vector (400), this polar vector contribution to the circular intensity differential between left and right polarized x-rays is predicted to be comparable to that arising from linear dichroism. Implications this result has in regards to optical effects predicted for topological Weyl semimetals are discussed."},"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":"1510.01802","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2015-10-07T01:52:19Z","cross_cats_sorted":[],"title_canon_sha256":"2f73fe2ff521fb6ce437d66de353fc4252658c841a05ba73818d65785ee647ef","abstract_canon_sha256":"8af38f0c57b3a7242bbb19276952ffa52b56b2bf1f0695d3e002504a8acdd42c"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:23:23.033113Z","signature_b64":"cMEANqfHsSHloMZe94BVzM85hTw3pK1VK7czYCV5My5fKshTVax4+aZm25x5FNqHqX9aK8adZIOknKH9FTj4BA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"d173c01624522097b75217a239700bfcffb576e86d9e7bbbcc34643046e95e4d","last_reissued_at":"2026-05-18T01:23:23.032401Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:23:23.032401Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Vector Optical Activity in the Weyl Semimetal TaAs","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.str-el","authors_text":"M. R. Norman","submitted_at":"2015-10-07T01:52:19Z","abstract_excerpt":"It is shown that the Weyl semimetal TaAs can have a significant polar vector contribution to its optical activity. This is quantified by ab initio calculations of the resonant x-ray diffraction at the Ta L1 edge. For the Bragg vector (400), this polar vector contribution to the circular intensity differential between left and right polarized x-rays is predicted to be comparable to that arising from linear dichroism. Implications this result has in regards to optical effects predicted for topological Weyl semimetals are discussed."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1510.01802","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":"1510.01802","created_at":"2026-05-18T01:23:23.032523+00:00"},{"alias_kind":"arxiv_version","alias_value":"1510.01802v1","created_at":"2026-05-18T01:23:23.032523+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1510.01802","created_at":"2026-05-18T01:23:23.032523+00:00"},{"alias_kind":"pith_short_12","alias_value":"2FZ4AFREKIQJ","created_at":"2026-05-18T12:28:59.999130+00:00"},{"alias_kind":"pith_short_16","alias_value":"2FZ4AFREKIQJPN2S","created_at":"2026-05-18T12:28:59.999130+00:00"},{"alias_kind":"pith_short_8","alias_value":"2FZ4AFRE","created_at":"2026-05-18T12:28:59.999130+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/2FZ4AFREKIQJPN2SC6RDS4AL7T","json":"https://pith.science/pith/2FZ4AFREKIQJPN2SC6RDS4AL7T.json","graph_json":"https://pith.science/api/pith-number/2FZ4AFREKIQJPN2SC6RDS4AL7T/graph.json","events_json":"https://pith.science/api/pith-number/2FZ4AFREKIQJPN2SC6RDS4AL7T/events.json","paper":"https://pith.science/paper/2FZ4AFRE"},"agent_actions":{"view_html":"https://pith.science/pith/2FZ4AFREKIQJPN2SC6RDS4AL7T","download_json":"https://pith.science/pith/2FZ4AFREKIQJPN2SC6RDS4AL7T.json","view_paper":"https://pith.science/paper/2FZ4AFRE","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1510.01802&json=true","fetch_graph":"https://pith.science/api/pith-number/2FZ4AFREKIQJPN2SC6RDS4AL7T/graph.json","fetch_events":"https://pith.science/api/pith-number/2FZ4AFREKIQJPN2SC6RDS4AL7T/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/2FZ4AFREKIQJPN2SC6RDS4AL7T/action/timestamp_anchor","attest_storage":"https://pith.science/pith/2FZ4AFREKIQJPN2SC6RDS4AL7T/action/storage_attestation","attest_author":"https://pith.science/pith/2FZ4AFREKIQJPN2SC6RDS4AL7T/action/author_attestation","sign_citation":"https://pith.science/pith/2FZ4AFREKIQJPN2SC6RDS4AL7T/action/citation_signature","submit_replication":"https://pith.science/pith/2FZ4AFREKIQJPN2SC6RDS4AL7T/action/replication_record"}},"created_at":"2026-05-18T01:23:23.032523+00:00","updated_at":"2026-05-18T01:23:23.032523+00:00"}