{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2016:UQPFYIXWF2ET6HICHFQRO2NNMW","short_pith_number":"pith:UQPFYIXW","schema_version":"1.0","canonical_sha256":"a41e5c22f62e893f1d0239611769ad65b1c0002b61d06c8e618e8df66e2759a2","source":{"kind":"arxiv","id":"1601.04939","version":2},"attestation_state":"computed","paper":{"title":"Pressure-dependent optical investigations of $\\alpha$-(BEDT-TTF)$_2$I$_3$: tuning charge order and narrow gap towards a Dirac semimetal","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.str-el","authors_text":"A. Dengl, A.V. Pronin, D. Schweitzer, M. Dressel, R. Beyer, S. Wackerow, T. Ivek, T. Peterseim","submitted_at":"2016-01-19T14:37:21Z","abstract_excerpt":"Infrared optical investigations of $\\alpha$-(BEDT-TTF)$_2$I$_3$ have been performed in the spectral range from 80 to 8000~cm$^{-1}$ down to temperatures as low as 10~K by applying hydrostatic pressure. In the metallic state, $T > 135$~K, we observe a 50\\% increase in the Drude contribution as well as the mid-infrared band due to the growing intermolecular orbital overlap with pressure up to 11~kbar. In the ordered state, $T<T_{\\rm CO}$, we extract how the electronic charge per molecule varies with temperature and pressure: Transport and optical studies demonstrate that charge order and metal-i"},"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":"1601.04939","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2016-01-19T14:37:21Z","cross_cats_sorted":[],"title_canon_sha256":"1da18f2836e40a92e07590537852fa4caf0abab27f953ade619efe0110d07a75","abstract_canon_sha256":"583a62ea560fecf0fa4e9853c9a26a3ab2d72c7072117bd1af13f185e38092ce"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:15:22.763052Z","signature_b64":"+8TekXGIvX7Ziglcj5pLLQknlhHtkqObNPtvuYHqZ8ghGu3tL0/QQPvbnZOH5KuwfrXzisROPGfJiG+zMohaCQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"a41e5c22f62e893f1d0239611769ad65b1c0002b61d06c8e618e8df66e2759a2","last_reissued_at":"2026-05-18T01:15:22.762550Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:15:22.762550Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Pressure-dependent optical investigations of $\\alpha$-(BEDT-TTF)$_2$I$_3$: tuning charge order and narrow gap towards a Dirac semimetal","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.str-el","authors_text":"A. Dengl, A.V. Pronin, D. Schweitzer, M. Dressel, R. Beyer, S. Wackerow, T. Ivek, T. Peterseim","submitted_at":"2016-01-19T14:37:21Z","abstract_excerpt":"Infrared optical investigations of $\\alpha$-(BEDT-TTF)$_2$I$_3$ have been performed in the spectral range from 80 to 8000~cm$^{-1}$ down to temperatures as low as 10~K by applying hydrostatic pressure. In the metallic state, $T > 135$~K, we observe a 50\\% increase in the Drude contribution as well as the mid-infrared band due to the growing intermolecular orbital overlap with pressure up to 11~kbar. In the ordered state, $T<T_{\\rm CO}$, we extract how the electronic charge per molecule varies with temperature and pressure: Transport and optical studies demonstrate that charge order and metal-i"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1601.04939","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":""},"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":"1601.04939","created_at":"2026-05-18T01:15:22.762627+00:00"},{"alias_kind":"arxiv_version","alias_value":"1601.04939v2","created_at":"2026-05-18T01:15:22.762627+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1601.04939","created_at":"2026-05-18T01:15:22.762627+00:00"},{"alias_kind":"pith_short_12","alias_value":"UQPFYIXWF2ET","created_at":"2026-05-18T12:30:46.583412+00:00"},{"alias_kind":"pith_short_16","alias_value":"UQPFYIXWF2ET6HIC","created_at":"2026-05-18T12:30:46.583412+00:00"},{"alias_kind":"pith_short_8","alias_value":"UQPFYIXW","created_at":"2026-05-18T12:30:46.583412+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/UQPFYIXWF2ET6HICHFQRO2NNMW","json":"https://pith.science/pith/UQPFYIXWF2ET6HICHFQRO2NNMW.json","graph_json":"https://pith.science/api/pith-number/UQPFYIXWF2ET6HICHFQRO2NNMW/graph.json","events_json":"https://pith.science/api/pith-number/UQPFYIXWF2ET6HICHFQRO2NNMW/events.json","paper":"https://pith.science/paper/UQPFYIXW"},"agent_actions":{"view_html":"https://pith.science/pith/UQPFYIXWF2ET6HICHFQRO2NNMW","download_json":"https://pith.science/pith/UQPFYIXWF2ET6HICHFQRO2NNMW.json","view_paper":"https://pith.science/paper/UQPFYIXW","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1601.04939&json=true","fetch_graph":"https://pith.science/api/pith-number/UQPFYIXWF2ET6HICHFQRO2NNMW/graph.json","fetch_events":"https://pith.science/api/pith-number/UQPFYIXWF2ET6HICHFQRO2NNMW/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/UQPFYIXWF2ET6HICHFQRO2NNMW/action/timestamp_anchor","attest_storage":"https://pith.science/pith/UQPFYIXWF2ET6HICHFQRO2NNMW/action/storage_attestation","attest_author":"https://pith.science/pith/UQPFYIXWF2ET6HICHFQRO2NNMW/action/author_attestation","sign_citation":"https://pith.science/pith/UQPFYIXWF2ET6HICHFQRO2NNMW/action/citation_signature","submit_replication":"https://pith.science/pith/UQPFYIXWF2ET6HICHFQRO2NNMW/action/replication_record"}},"created_at":"2026-05-18T01:15:22.762627+00:00","updated_at":"2026-05-18T01:15:22.762627+00:00"}