{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2017:24F4FQVP6JMSCYSJGNM5YGZH2T","short_pith_number":"pith:24F4FQVP","schema_version":"1.0","canonical_sha256":"d70bc2c2aff2592162493359dc1b27d4e7e6c8111f162c374caab7371be7238c","source":{"kind":"arxiv","id":"1702.08636","version":1},"attestation_state":"computed","paper":{"title":"Robustness of topological states to lattice instability in non-symmorphic topological insulator KHgSb","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mtrl-sci","authors_text":"C. J. Yi, D. Chen, H. Ding, H.-M. Weng, P. Richard, T. T. Zhang, T. Zhang, W.-L. Zhang, Y.-G. Shi, Z. D. Song, Z. Fang","submitted_at":"2017-02-28T04:00:22Z","abstract_excerpt":"We report a polarized Raman scattering study of non-symmorphic topological insulator KHgSb with hourglass-like electronic dispersion. Supported by theoretical calculations, we show that the lattice of the previously assigned space group $P6_3/mmc$ (No. 194) is unstable in KHgSb. While we observe one of two calculated Raman active E$_{2g}$ phonons of space group $P6_3/mmc$ at room temperature, an additional A$_{1g}$ peak appears at 99.5 ~cm$^{-1}$ upon cooling below $T^*$ = 150 K, which suggests a lattice distortion. Several weak peaks associated with two-phonon excitations emerge with this lat"},"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":"1702.08636","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2017-02-28T04:00:22Z","cross_cats_sorted":[],"title_canon_sha256":"7c58c0b6ca42610a0b6305140a84a47030b85fcbc60fcff468da1969ec0ff2f3","abstract_canon_sha256":"5dc64e785882fdc8fe42ee5b5b27703e63c64ae1711a48e4e84a32244fd28d47"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:38:28.303124Z","signature_b64":"KXe2rRBgqwYiXUszUTLSWlFZ2WIUC+3gru6BSPLs+7syCaLa7/tUFGB9dRliWqomkREgPujYP9wNIW60qqdbCQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"d70bc2c2aff2592162493359dc1b27d4e7e6c8111f162c374caab7371be7238c","last_reissued_at":"2026-05-18T00:38:28.302515Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:38:28.302515Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Robustness of topological states to lattice instability in non-symmorphic topological insulator KHgSb","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mtrl-sci","authors_text":"C. J. Yi, D. Chen, H. Ding, H.-M. Weng, P. Richard, T. T. Zhang, T. Zhang, W.-L. Zhang, Y.-G. Shi, Z. D. Song, Z. Fang","submitted_at":"2017-02-28T04:00:22Z","abstract_excerpt":"We report a polarized Raman scattering study of non-symmorphic topological insulator KHgSb with hourglass-like electronic dispersion. Supported by theoretical calculations, we show that the lattice of the previously assigned space group $P6_3/mmc$ (No. 194) is unstable in KHgSb. While we observe one of two calculated Raman active E$_{2g}$ phonons of space group $P6_3/mmc$ at room temperature, an additional A$_{1g}$ peak appears at 99.5 ~cm$^{-1}$ upon cooling below $T^*$ = 150 K, which suggests a lattice distortion. Several weak peaks associated with two-phonon excitations emerge with this lat"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1702.08636","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":"1702.08636","created_at":"2026-05-18T00:38:28.302601+00:00"},{"alias_kind":"arxiv_version","alias_value":"1702.08636v1","created_at":"2026-05-18T00:38:28.302601+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1702.08636","created_at":"2026-05-18T00:38:28.302601+00:00"},{"alias_kind":"pith_short_12","alias_value":"24F4FQVP6JMS","created_at":"2026-05-18T12:30:55.937587+00:00"},{"alias_kind":"pith_short_16","alias_value":"24F4FQVP6JMSCYSJ","created_at":"2026-05-18T12:30:55.937587+00:00"},{"alias_kind":"pith_short_8","alias_value":"24F4FQVP","created_at":"2026-05-18T12:30:55.937587+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/24F4FQVP6JMSCYSJGNM5YGZH2T","json":"https://pith.science/pith/24F4FQVP6JMSCYSJGNM5YGZH2T.json","graph_json":"https://pith.science/api/pith-number/24F4FQVP6JMSCYSJGNM5YGZH2T/graph.json","events_json":"https://pith.science/api/pith-number/24F4FQVP6JMSCYSJGNM5YGZH2T/events.json","paper":"https://pith.science/paper/24F4FQVP"},"agent_actions":{"view_html":"https://pith.science/pith/24F4FQVP6JMSCYSJGNM5YGZH2T","download_json":"https://pith.science/pith/24F4FQVP6JMSCYSJGNM5YGZH2T.json","view_paper":"https://pith.science/paper/24F4FQVP","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1702.08636&json=true","fetch_graph":"https://pith.science/api/pith-number/24F4FQVP6JMSCYSJGNM5YGZH2T/graph.json","fetch_events":"https://pith.science/api/pith-number/24F4FQVP6JMSCYSJGNM5YGZH2T/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/24F4FQVP6JMSCYSJGNM5YGZH2T/action/timestamp_anchor","attest_storage":"https://pith.science/pith/24F4FQVP6JMSCYSJGNM5YGZH2T/action/storage_attestation","attest_author":"https://pith.science/pith/24F4FQVP6JMSCYSJGNM5YGZH2T/action/author_attestation","sign_citation":"https://pith.science/pith/24F4FQVP6JMSCYSJGNM5YGZH2T/action/citation_signature","submit_replication":"https://pith.science/pith/24F4FQVP6JMSCYSJGNM5YGZH2T/action/replication_record"}},"created_at":"2026-05-18T00:38:28.302601+00:00","updated_at":"2026-05-18T00:38:28.302601+00:00"}