{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2018:B7Y5CYG32TI5DFVZ577OKYIXRM","short_pith_number":"pith:B7Y5CYG3","canonical_record":{"source":{"id":"1806.00639","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2018-06-02T14:10:48Z","cross_cats_sorted":[],"title_canon_sha256":"2ed944fffe3e51862926fb8ad39630df0e8a46be4f59eefaaf503e3e0a2a9b5f","abstract_canon_sha256":"c1f5a25b5bf632be03f54c7cdb1cf6739e8bdd1fc3aac499fdef2a8f9be694c5"},"schema_version":"1.0"},"canonical_sha256":"0ff1d160dbd4d1d196b9effee561178b0c8a457e878bdbcf77595b3c9e54e32f","source":{"kind":"arxiv","id":"1806.00639","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1806.00639","created_at":"2026-05-18T00:09:13Z"},{"alias_kind":"arxiv_version","alias_value":"1806.00639v2","created_at":"2026-05-18T00:09:13Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1806.00639","created_at":"2026-05-18T00:09:13Z"},{"alias_kind":"pith_short_12","alias_value":"B7Y5CYG32TI5","created_at":"2026-05-18T12:32:13Z"},{"alias_kind":"pith_short_16","alias_value":"B7Y5CYG32TI5DFVZ","created_at":"2026-05-18T12:32:13Z"},{"alias_kind":"pith_short_8","alias_value":"B7Y5CYG3","created_at":"2026-05-18T12:32:13Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2018:B7Y5CYG32TI5DFVZ577OKYIXRM","target":"record","payload":{"canonical_record":{"source":{"id":"1806.00639","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2018-06-02T14:10:48Z","cross_cats_sorted":[],"title_canon_sha256":"2ed944fffe3e51862926fb8ad39630df0e8a46be4f59eefaaf503e3e0a2a9b5f","abstract_canon_sha256":"c1f5a25b5bf632be03f54c7cdb1cf6739e8bdd1fc3aac499fdef2a8f9be694c5"},"schema_version":"1.0"},"canonical_sha256":"0ff1d160dbd4d1d196b9effee561178b0c8a457e878bdbcf77595b3c9e54e32f","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:09:13.585198Z","signature_b64":"xIkKWFy0rCMtr+O1GK79HKvPwBalSAd2xdpjljcICCddvTMwB3DjKbqRvpLIEKVJSGj8PYsCa0CP+yJNLsuvDg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"0ff1d160dbd4d1d196b9effee561178b0c8a457e878bdbcf77595b3c9e54e32f","last_reissued_at":"2026-05-18T00:09:13.584623Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:09:13.584623Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1806.00639","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T00:09:13Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"u6cI0EZ7WBDl5tfFV74ldmZVUVwtGou9npPLRtgMN+U93Jdfa9wb8qvd7O1/BLvdCEC7czgAy6RhboUuW5+DDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-08T14:13:32.335844Z"},"content_sha256":"ba7277e51931f71f7c6afe5d75f8bcfd5d67af7a521d4ca6f53a624eef81fe1d","schema_version":"1.0","event_id":"sha256:ba7277e51931f71f7c6afe5d75f8bcfd5d67af7a521d4ca6f53a624eef81fe1d"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2018:B7Y5CYG32TI5DFVZ577OKYIXRM","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Pressure-induced enhancement of non-polar to polar transition temperature in metallic LiOsO$_3$","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mtrl-sci","authors_text":"Esteban I. Paredes Aulestia, Hanghui Chen, Jianfeng He, Kazunari Yamaura, Kwing To Lai, Swee K. Goh, Yiu Wing Cheung, Yue-Wen Fang","submitted_at":"2018-06-02T14:10:48Z","abstract_excerpt":"LiOsO$_3$ undergoes a continuous transition from a centrosymmetric $R\\bar{3}c$ structure to a polar $R3c$ structure at $T_s=140$~K. By combining transport measurements and first-principles calculations, we find that $T_s$ is enhanced by applied pressure, and it reaches a value of $\\sim$250~K at $\\sim$6.5~GPa. The enhancement is due to the fact that the polar $R3c$ structure of LiOsO$_3$ has a smaller volume than the centrosymmetric $R\\bar{3}c$ structure. Pressure generically favors the structure with the smallest volume, and therefore further stabilizes the polar $R3c$ structure over the $R\\ba"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1806.00639","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"},"verdict_id":null},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T00:09:13Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"V8AiNXcDvjbQCCvTNj+sxXjtRdXhsAkYS4tCJkU/yxVcrzNcX9U5sM0t49yndBTw25Ffzg21yfA+C+WZH3WrCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-08T14:13:32.336421Z"},"content_sha256":"65b39824253d557de153b72317cee0e808c1a0ec3400576489763505b7569dba","schema_version":"1.0","event_id":"sha256:65b39824253d557de153b72317cee0e808c1a0ec3400576489763505b7569dba"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/B7Y5CYG32TI5DFVZ577OKYIXRM/bundle.json","state_url":"https://pith.science/pith/B7Y5CYG32TI5DFVZ577OKYIXRM/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/B7Y5CYG32TI5DFVZ577OKYIXRM/bundle.json","status":"primary"}],"public_keys":[{"key_id":"pith-v1-2026-05","algorithm":"ed25519","format":"raw","public_key_b64":"stVStoiQhXFxp4s2pdzPNoqVNBMojDU/fJ2db5S3CbM=","public_key_hex":"b2d552b68890857171a78b36a5dccf368a953413288c353f7c9d9d6f94b709b3","fingerprint_sha256_b32_first128bits":"RVFV5Z2OI2J3ZUO7ERDEBCYNKS","fingerprint_sha256_hex":"8d4b5ee74e4693bcd1df2446408b0d54","rotates_at":null,"url":"https://pith.science/pith-signing-key.json","notes":"Pith uses this Ed25519 key to sign canonical record SHA-256 digests. Verify with: ed25519_verify(public_key, message=canonical_sha256_bytes, signature=base64decode(signature_b64))."}],"merge_version":"pith-open-graph-merge-v1","built_at":"2026-06-08T14:13:32Z","links":{"resolver":"https://pith.science/pith/B7Y5CYG32TI5DFVZ577OKYIXRM","bundle":"https://pith.science/pith/B7Y5CYG32TI5DFVZ577OKYIXRM/bundle.json","state":"https://pith.science/pith/B7Y5CYG32TI5DFVZ577OKYIXRM/state.json","well_known_bundle":"https://pith.science/.well-known/pith/B7Y5CYG32TI5DFVZ577OKYIXRM/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:B7Y5CYG32TI5DFVZ577OKYIXRM","merge_version":"pith-open-graph-merge-v1","event_count":2,"valid_event_count":2,"invalid_event_count":0,"equivocation_count":0,"current":{"canonical_record":{"metadata":{"abstract_canon_sha256":"c1f5a25b5bf632be03f54c7cdb1cf6739e8bdd1fc3aac499fdef2a8f9be694c5","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2018-06-02T14:10:48Z","title_canon_sha256":"2ed944fffe3e51862926fb8ad39630df0e8a46be4f59eefaaf503e3e0a2a9b5f"},"schema_version":"1.0","source":{"id":"1806.00639","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1806.00639","created_at":"2026-05-18T00:09:13Z"},{"alias_kind":"arxiv_version","alias_value":"1806.00639v2","created_at":"2026-05-18T00:09:13Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1806.00639","created_at":"2026-05-18T00:09:13Z"},{"alias_kind":"pith_short_12","alias_value":"B7Y5CYG32TI5","created_at":"2026-05-18T12:32:13Z"},{"alias_kind":"pith_short_16","alias_value":"B7Y5CYG32TI5DFVZ","created_at":"2026-05-18T12:32:13Z"},{"alias_kind":"pith_short_8","alias_value":"B7Y5CYG3","created_at":"2026-05-18T12:32:13Z"}],"graph_snapshots":[{"event_id":"sha256:65b39824253d557de153b72317cee0e808c1a0ec3400576489763505b7569dba","target":"graph","created_at":"2026-05-18T00:09:13Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"graph_snapshot":{"author_claims":{"count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","strong_count":0},"builder_version":"pith-number-builder-2026-05-17-v1","claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"paper":{"abstract_excerpt":"LiOsO$_3$ undergoes a continuous transition from a centrosymmetric $R\\bar{3}c$ structure to a polar $R3c$ structure at $T_s=140$~K. By combining transport measurements and first-principles calculations, we find that $T_s$ is enhanced by applied pressure, and it reaches a value of $\\sim$250~K at $\\sim$6.5~GPa. The enhancement is due to the fact that the polar $R3c$ structure of LiOsO$_3$ has a smaller volume than the centrosymmetric $R\\bar{3}c$ structure. Pressure generically favors the structure with the smallest volume, and therefore further stabilizes the polar $R3c$ structure over the $R\\ba","authors_text":"Esteban I. Paredes Aulestia, Hanghui Chen, Jianfeng He, Kazunari Yamaura, Kwing To Lai, Swee K. Goh, Yiu Wing Cheung, Yue-Wen Fang","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2018-06-02T14:10:48Z","title":"Pressure-induced enhancement of non-polar to polar transition temperature in metallic LiOsO$_3$"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1806.00639","kind":"arxiv","version":2},"verdict":{"created_at":null,"id":null,"model_set":{},"one_line_summary":"","pipeline_version":null,"pith_extraction_headline":"","strongest_claim":"","weakest_assumption":""}},"verdict_id":null}}],"author_attestations":[],"timestamp_anchors":[],"storage_attestations":[],"citation_signatures":[],"replication_records":[],"corrections":[],"mirror_hints":[],"record_created":{"event_id":"sha256:ba7277e51931f71f7c6afe5d75f8bcfd5d67af7a521d4ca6f53a624eef81fe1d","target":"record","created_at":"2026-05-18T00:09:13Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"attestation_state":"computed","canonical_record":{"metadata":{"abstract_canon_sha256":"c1f5a25b5bf632be03f54c7cdb1cf6739e8bdd1fc3aac499fdef2a8f9be694c5","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2018-06-02T14:10:48Z","title_canon_sha256":"2ed944fffe3e51862926fb8ad39630df0e8a46be4f59eefaaf503e3e0a2a9b5f"},"schema_version":"1.0","source":{"id":"1806.00639","kind":"arxiv","version":2}},"canonical_sha256":"0ff1d160dbd4d1d196b9effee561178b0c8a457e878bdbcf77595b3c9e54e32f","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"0ff1d160dbd4d1d196b9effee561178b0c8a457e878bdbcf77595b3c9e54e32f","first_computed_at":"2026-05-18T00:09:13.584623Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:09:13.584623Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"xIkKWFy0rCMtr+O1GK79HKvPwBalSAd2xdpjljcICCddvTMwB3DjKbqRvpLIEKVJSGj8PYsCa0CP+yJNLsuvDg==","signature_status":"signed_v1","signed_at":"2026-05-18T00:09:13.585198Z","signed_message":"canonical_sha256_bytes"},"source_id":"1806.00639","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:ba7277e51931f71f7c6afe5d75f8bcfd5d67af7a521d4ca6f53a624eef81fe1d","sha256:65b39824253d557de153b72317cee0e808c1a0ec3400576489763505b7569dba"],"state_sha256":"0343ebdd6b47cc707cda627186c5ba2ca30fc96c6295c09f06eec36ec2f276ef"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"tVgH1kQ7Nd9Fllxd0xfvfwP32ENGdmRaAcc8lnPKHnmQUlomV+2gM65fkIJURiIP+NZo9a3yRqm2cpwIkBiIBg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-08T14:13:32.339645Z","bundle_sha256":"f9cf0c1a06b86c658669d28983fdad942c073b6816329434a2c4bac2f5dedf54"}}