{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2018:UU3VPPMUCSM7SA65CIUVQ3ATTC","short_pith_number":"pith:UU3VPPMU","schema_version":"1.0","canonical_sha256":"a53757bd941499f903dd1229586c1398acb37d5d54945a8b3769798722d98171","source":{"kind":"arxiv","id":"1808.01794","version":1},"attestation_state":"computed","paper":{"title":"Large entropy change derived from the orbitally assisted three-centered two-electron {\\sigma} bond formation in a metallic Li0.33VS2","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.str-el","authors_text":"A. Hoshikawa, H. Sawa, K. Iida, K. Sugimoto, N. Katayama, S. Kobayashi, S. Tamura, T. Ishigaki, T. Matsukawa, T. Yamaguchi, Y. Ohta","submitted_at":"2018-08-06T09:30:23Z","abstract_excerpt":"We discuss herein the emergence of a large entropy change in metallic Li0.33VS2 derived from the orbitally assisted loose {\\sigma} bond formation. Comprehensive structural studies based on synchrotron x-ray and neutron diffraction analyses clarify the fabrication of ribbon chains at 375 K, consisting of multiple three-centered two-electron {\\sigma} bonds based on the viewpoint of local chemical bonding. Although the metallic conductivity persists down to the lowest temperature measured, exceptionally large entropy change as a metal, as much as {\\Delta}S = 6.6 J/mol K, appears at the transition"},"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":"1808.01794","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2018-08-06T09:30:23Z","cross_cats_sorted":[],"title_canon_sha256":"c4aa789d34680ddd33911aee914bc10d37e4d100cc3c6868ac502600afc8f34b","abstract_canon_sha256":"0f7f142f80b63fde16c6538fa2ba0ea1c5ea2296cddc838ed9d5fda5739872d1"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:08:35.345340Z","signature_b64":"5kB0CnIsfuwLwU3qE7t9uBJqn9xtRXfzHgwm6vjUVNcxcqoti7U9f5jTV11q5MwVpKZdGMBY2yw+wzdQboRCAw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"a53757bd941499f903dd1229586c1398acb37d5d54945a8b3769798722d98171","last_reissued_at":"2026-05-18T00:08:35.344662Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:08:35.344662Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Large entropy change derived from the orbitally assisted three-centered two-electron {\\sigma} bond formation in a metallic Li0.33VS2","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.str-el","authors_text":"A. Hoshikawa, H. Sawa, K. Iida, K. Sugimoto, N. Katayama, S. Kobayashi, S. Tamura, T. Ishigaki, T. Matsukawa, T. Yamaguchi, Y. Ohta","submitted_at":"2018-08-06T09:30:23Z","abstract_excerpt":"We discuss herein the emergence of a large entropy change in metallic Li0.33VS2 derived from the orbitally assisted loose {\\sigma} bond formation. Comprehensive structural studies based on synchrotron x-ray and neutron diffraction analyses clarify the fabrication of ribbon chains at 375 K, consisting of multiple three-centered two-electron {\\sigma} bonds based on the viewpoint of local chemical bonding. Although the metallic conductivity persists down to the lowest temperature measured, exceptionally large entropy change as a metal, as much as {\\Delta}S = 6.6 J/mol K, appears at the transition"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1808.01794","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":"1808.01794","created_at":"2026-05-18T00:08:35.344764+00:00"},{"alias_kind":"arxiv_version","alias_value":"1808.01794v1","created_at":"2026-05-18T00:08:35.344764+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1808.01794","created_at":"2026-05-18T00:08:35.344764+00:00"},{"alias_kind":"pith_short_12","alias_value":"UU3VPPMUCSM7","created_at":"2026-05-18T12:32:56.356000+00:00"},{"alias_kind":"pith_short_16","alias_value":"UU3VPPMUCSM7SA65","created_at":"2026-05-18T12:32:56.356000+00:00"},{"alias_kind":"pith_short_8","alias_value":"UU3VPPMU","created_at":"2026-05-18T12:32:56.356000+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/UU3VPPMUCSM7SA65CIUVQ3ATTC","json":"https://pith.science/pith/UU3VPPMUCSM7SA65CIUVQ3ATTC.json","graph_json":"https://pith.science/api/pith-number/UU3VPPMUCSM7SA65CIUVQ3ATTC/graph.json","events_json":"https://pith.science/api/pith-number/UU3VPPMUCSM7SA65CIUVQ3ATTC/events.json","paper":"https://pith.science/paper/UU3VPPMU"},"agent_actions":{"view_html":"https://pith.science/pith/UU3VPPMUCSM7SA65CIUVQ3ATTC","download_json":"https://pith.science/pith/UU3VPPMUCSM7SA65CIUVQ3ATTC.json","view_paper":"https://pith.science/paper/UU3VPPMU","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1808.01794&json=true","fetch_graph":"https://pith.science/api/pith-number/UU3VPPMUCSM7SA65CIUVQ3ATTC/graph.json","fetch_events":"https://pith.science/api/pith-number/UU3VPPMUCSM7SA65CIUVQ3ATTC/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/UU3VPPMUCSM7SA65CIUVQ3ATTC/action/timestamp_anchor","attest_storage":"https://pith.science/pith/UU3VPPMUCSM7SA65CIUVQ3ATTC/action/storage_attestation","attest_author":"https://pith.science/pith/UU3VPPMUCSM7SA65CIUVQ3ATTC/action/author_attestation","sign_citation":"https://pith.science/pith/UU3VPPMUCSM7SA65CIUVQ3ATTC/action/citation_signature","submit_replication":"https://pith.science/pith/UU3VPPMUCSM7SA65CIUVQ3ATTC/action/replication_record"}},"created_at":"2026-05-18T00:08:35.344764+00:00","updated_at":"2026-05-18T00:08:35.344764+00:00"}