{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2015:C3UP73NISJHFVBHPXEHMKYCPPU","short_pith_number":"pith:C3UP73NI","schema_version":"1.0","canonical_sha256":"16e8ffeda8924e5a84efb90ec5604f7d0d60d973bd45b153351b6cc5cd657463","source":{"kind":"arxiv","id":"1502.04323","version":3},"attestation_state":"computed","paper":{"title":"Graphite under uniaxial compression along c-axis: a new parameter relates out-of-plane strain to in-plane phonon frequency","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mes-hall","authors_text":"D. Holec, D. J. Dunstan, Y. W. Sun","submitted_at":"2015-02-15T15:27:56Z","abstract_excerpt":"Stacking graphene sheets forms graphite. Two in-plane vibrational modes of graphite, E1u and E2g(2), are derived from graphene E2g mode, the shifts of which under compression are all considered as results of in-plane bond shortening. Values of Gruneisen parameter have been reported to quantify such relation. However, the reason why the shift rates of these three modes with pressure differ is unclear. In this work, we introduce a new parameter to quantify the contribution of out-of-plane strain to the in-plane vibrational frequencies, suggesting that the compression of \\pi-electrons plays a no"},"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":"1502.04323","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2015-02-15T15:27:56Z","cross_cats_sorted":[],"title_canon_sha256":"922b448bf058778d8191449f394008eeea89335faeb8287b0868e40ae8cc228c","abstract_canon_sha256":"6f4b8631fd2d502a704065b1099d1f557302159064f48676d62d1eddd99f96da"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:31:45.611766Z","signature_b64":"GkTiBGUlA6kOuctwCJb0Xmvshv9f9GvFAsBriXBKXdjaYOTMrQRs7z9g9fDTHD8n4cSDMlzknOL1ccvJ1CuFDw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"16e8ffeda8924e5a84efb90ec5604f7d0d60d973bd45b153351b6cc5cd657463","last_reissued_at":"2026-05-18T01:31:45.611167Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:31:45.611167Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Graphite under uniaxial compression along c-axis: a new parameter relates out-of-plane strain to in-plane phonon frequency","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mes-hall","authors_text":"D. Holec, D. J. Dunstan, Y. W. Sun","submitted_at":"2015-02-15T15:27:56Z","abstract_excerpt":"Stacking graphene sheets forms graphite. Two in-plane vibrational modes of graphite, E1u and E2g(2), are derived from graphene E2g mode, the shifts of which under compression are all considered as results of in-plane bond shortening. Values of Gruneisen parameter have been reported to quantify such relation. However, the reason why the shift rates of these three modes with pressure differ is unclear. In this work, we introduce a new parameter to quantify the contribution of out-of-plane strain to the in-plane vibrational frequencies, suggesting that the compression of \\pi-electrons plays a no"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1502.04323","kind":"arxiv","version":3},"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":"1502.04323","created_at":"2026-05-18T01:31:45.611262+00:00"},{"alias_kind":"arxiv_version","alias_value":"1502.04323v3","created_at":"2026-05-18T01:31:45.611262+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1502.04323","created_at":"2026-05-18T01:31:45.611262+00:00"},{"alias_kind":"pith_short_12","alias_value":"C3UP73NISJHF","created_at":"2026-05-18T12:29:14.074870+00:00"},{"alias_kind":"pith_short_16","alias_value":"C3UP73NISJHFVBHP","created_at":"2026-05-18T12:29:14.074870+00:00"},{"alias_kind":"pith_short_8","alias_value":"C3UP73NI","created_at":"2026-05-18T12:29:14.074870+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/C3UP73NISJHFVBHPXEHMKYCPPU","json":"https://pith.science/pith/C3UP73NISJHFVBHPXEHMKYCPPU.json","graph_json":"https://pith.science/api/pith-number/C3UP73NISJHFVBHPXEHMKYCPPU/graph.json","events_json":"https://pith.science/api/pith-number/C3UP73NISJHFVBHPXEHMKYCPPU/events.json","paper":"https://pith.science/paper/C3UP73NI"},"agent_actions":{"view_html":"https://pith.science/pith/C3UP73NISJHFVBHPXEHMKYCPPU","download_json":"https://pith.science/pith/C3UP73NISJHFVBHPXEHMKYCPPU.json","view_paper":"https://pith.science/paper/C3UP73NI","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1502.04323&json=true","fetch_graph":"https://pith.science/api/pith-number/C3UP73NISJHFVBHPXEHMKYCPPU/graph.json","fetch_events":"https://pith.science/api/pith-number/C3UP73NISJHFVBHPXEHMKYCPPU/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/C3UP73NISJHFVBHPXEHMKYCPPU/action/timestamp_anchor","attest_storage":"https://pith.science/pith/C3UP73NISJHFVBHPXEHMKYCPPU/action/storage_attestation","attest_author":"https://pith.science/pith/C3UP73NISJHFVBHPXEHMKYCPPU/action/author_attestation","sign_citation":"https://pith.science/pith/C3UP73NISJHFVBHPXEHMKYCPPU/action/citation_signature","submit_replication":"https://pith.science/pith/C3UP73NISJHFVBHPXEHMKYCPPU/action/replication_record"}},"created_at":"2026-05-18T01:31:45.611262+00:00","updated_at":"2026-05-18T01:31:45.611262+00:00"}