{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2026:24NPM76RVCSYAKOWQBIRR475GH","short_pith_number":"pith:24NPM76R","schema_version":"1.0","canonical_sha256":"d71af67fd1a8a58029d6805118f3fd31c3aabae64d3c3c255162761a9400c846","source":{"kind":"arxiv","id":"2608.04841","version":1},"attestation_state":"computed","paper":{"title":"Structural Chirality from Short-Range Order in Heteroanionic Materials","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["cond-mat.stat-mech"],"primary_cat":"cond-mat.mtrl-sci","authors_text":"Benjamin J. Morgan","submitted_at":"2026-08-05T13:36:50Z","abstract_excerpt":"Established routes to structural chirality in inorganic crystals depend on symmetry-lowering atomic displacements of an achiral parent structure. We show that chirality can instead be forced by the ordering of two anion species over the sites of an achiral parent, independent of atomic displacements. ReO$_3$-type oxyfluorides with a 2:1 anion stoichiometry, such as NbO$_2$F, exhibit two ordering patterns: cis octahedral coordination and period-three anion-chain ordering, both rooted in the off-centring of $d^0$ cations. By direct enumeration, we prove that every configuration combining both or"},"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":"2608.04841","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2026-08-05T13:36:50Z","cross_cats_sorted":["cond-mat.stat-mech"],"title_canon_sha256":"fec6adb82438e0cec2887e096dc3d048f075d8e4c112e5e052f3793a10a4da3a","abstract_canon_sha256":"294160ae3fd2344a0020065b69a73978427ff8dcdc78821a009bc56e440d1fe9"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-08-06T01:47:23.173111Z","signature_b64":"QQQkwEastlWc5XqMPJ5b3jE5/njDYgwcQF6+Cfovd7YhNdUxxYNwXptQF9zkVWMiRxCWLvUQKd6EcH7fGSPQDA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"d71af67fd1a8a58029d6805118f3fd31c3aabae64d3c3c255162761a9400c846","last_reissued_at":"2026-08-06T01:47:23.171628Z","signature_status":"signed_v1","first_computed_at":"2026-08-06T01:47:23.171628Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Structural Chirality from Short-Range Order in Heteroanionic Materials","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["cond-mat.stat-mech"],"primary_cat":"cond-mat.mtrl-sci","authors_text":"Benjamin J. Morgan","submitted_at":"2026-08-05T13:36:50Z","abstract_excerpt":"Established routes to structural chirality in inorganic crystals depend on symmetry-lowering atomic displacements of an achiral parent structure. We show that chirality can instead be forced by the ordering of two anion species over the sites of an achiral parent, independent of atomic displacements. ReO$_3$-type oxyfluorides with a 2:1 anion stoichiometry, such as NbO$_2$F, exhibit two ordering patterns: cis octahedral coordination and period-three anion-chain ordering, both rooted in the off-centring of $d^0$ cations. By direct enumeration, we prove that every configuration combining both or"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2608.04841","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2608.04841/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":"2608.04841","created_at":"2026-08-06T01:47:23.173492+00:00"},{"alias_kind":"arxiv_version","alias_value":"2608.04841v1","created_at":"2026-08-06T01:47:23.173492+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2608.04841","created_at":"2026-08-06T01:47:23.173492+00:00"},{"alias_kind":"pith_short_12","alias_value":"24NPM76RVCSY","created_at":"2026-08-06T01:47:23.173492+00:00"},{"alias_kind":"pith_short_16","alias_value":"24NPM76RVCSYAKOW","created_at":"2026-08-06T01:47:23.173492+00:00"},{"alias_kind":"pith_short_8","alias_value":"24NPM76R","created_at":"2026-08-06T01:47:23.173492+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/24NPM76RVCSYAKOWQBIRR475GH","json":"https://pith.science/pith/24NPM76RVCSYAKOWQBIRR475GH.json","graph_json":"https://pith.science/api/pith-number/24NPM76RVCSYAKOWQBIRR475GH/graph.json","events_json":"https://pith.science/api/pith-number/24NPM76RVCSYAKOWQBIRR475GH/events.json","paper":"https://pith.science/paper/24NPM76R"},"agent_actions":{"view_html":"https://pith.science/pith/24NPM76RVCSYAKOWQBIRR475GH","download_json":"https://pith.science/pith/24NPM76RVCSYAKOWQBIRR475GH.json","view_paper":"https://pith.science/paper/24NPM76R","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2608.04841&json=true","fetch_graph":"https://pith.science/api/pith-number/24NPM76RVCSYAKOWQBIRR475GH/graph.json","fetch_events":"https://pith.science/api/pith-number/24NPM76RVCSYAKOWQBIRR475GH/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/24NPM76RVCSYAKOWQBIRR475GH/action/timestamp_anchor","attest_storage":"https://pith.science/pith/24NPM76RVCSYAKOWQBIRR475GH/action/storage_attestation","attest_author":"https://pith.science/pith/24NPM76RVCSYAKOWQBIRR475GH/action/author_attestation","sign_citation":"https://pith.science/pith/24NPM76RVCSYAKOWQBIRR475GH/action/citation_signature","submit_replication":"https://pith.science/pith/24NPM76RVCSYAKOWQBIRR475GH/action/replication_record"}},"created_at":"2026-08-06T01:47:23.173492+00:00","updated_at":"2026-08-06T01:47:23.173492+00:00"}