{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2019:BFZYURM52YRWFNPCUHYS3FPQZD","short_pith_number":"pith:BFZYURM5","canonical_record":{"source":{"id":"1908.04455","kind":"arxiv","version":4},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2019-08-13T01:41:17Z","cross_cats_sorted":["cond-mat.mtrl-sci","cond-mat.str-el","physics.comp-ph"],"title_canon_sha256":"9345be8d411f033602ced96bcac5e985435984dd67a14fd5fa5200bcf338e2ca","abstract_canon_sha256":"6129159d2aa6ed5101e73843ff8db7666e4e68c3caca0260f0be546ccc4f1425"},"schema_version":"1.0"},"canonical_sha256":"09738a459dd62362b5e2a1f12d95f0c8e85d55389b1582301e277cb9173c19cd","source":{"kind":"arxiv","id":"1908.04455","version":4},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1908.04455","created_at":"2026-07-05T00:57:33Z"},{"alias_kind":"arxiv_version","alias_value":"1908.04455v4","created_at":"2026-07-05T00:57:33Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1908.04455","created_at":"2026-07-05T00:57:33Z"},{"alias_kind":"pith_short_12","alias_value":"BFZYURM52YRW","created_at":"2026-07-05T00:57:33Z"},{"alias_kind":"pith_short_16","alias_value":"BFZYURM52YRWFNPC","created_at":"2026-07-05T00:57:33Z"},{"alias_kind":"pith_short_8","alias_value":"BFZYURM5","created_at":"2026-07-05T00:57:33Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2019:BFZYURM52YRWFNPCUHYS3FPQZD","target":"record","payload":{"canonical_record":{"source":{"id":"1908.04455","kind":"arxiv","version":4},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2019-08-13T01:41:17Z","cross_cats_sorted":["cond-mat.mtrl-sci","cond-mat.str-el","physics.comp-ph"],"title_canon_sha256":"9345be8d411f033602ced96bcac5e985435984dd67a14fd5fa5200bcf338e2ca","abstract_canon_sha256":"6129159d2aa6ed5101e73843ff8db7666e4e68c3caca0260f0be546ccc4f1425"},"schema_version":"1.0"},"canonical_sha256":"09738a459dd62362b5e2a1f12d95f0c8e85d55389b1582301e277cb9173c19cd","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T00:57:33.692180Z","signature_b64":"27+smzqajVq1fsn4+kVcMwCu91f6lXKCDYdHiksrno8QNpvP1G+i/sf7SEH6u9f7iH6fqeCtMggFE/CQiYZpBA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"09738a459dd62362b5e2a1f12d95f0c8e85d55389b1582301e277cb9173c19cd","last_reissued_at":"2026-07-05T00:57:33.691665Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T00:57:33.691665Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1908.04455","source_version":4,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-05T00:57:33Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"uzWSViBHh+6GVdQVGBs1nuSLGH5ToEeL0HT4OBsayEpBd++Cg6jfRJ6ss6daPcZmk0B0758poCeiBb3z14ueAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-16T17:45:16.309456Z"},"content_sha256":"ec1c7ab05869910aa97743aafa159e8c29b1a539b7a8a51567fb4366ab4160e1","schema_version":"1.0","event_id":"sha256:ec1c7ab05869910aa97743aafa159e8c29b1a539b7a8a51567fb4366ab4160e1"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2019:BFZYURM52YRWFNPCUHYS3FPQZD","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Renormalization of the Mott gap by lattice entropy: The case of 1T-TaS2","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.mtrl-sci","cond-mat.str-el","physics.comp-ph"],"primary_cat":"cond-mat.mes-hall","authors_text":"Li Cheng, Lizhao Liu, Shuang Qiao, Shunhong Zhang, Xiaofeng Wang, Zheng Liu","submitted_at":"2019-08-13T01:41:17Z","abstract_excerpt":"In many transition-metal oxides and dichalcogenides, the electronic and lattice degrees of freedom are strongly coupled, giving rise to remarkable phenomena, such as metal-insulator transition (MIT) and charge-density wave (CDW) order. We study this interplay by tracing the instant electronic structure under ab initio molecular dynamics. Applying this method to a 1T-TaS2 layer, we show that the CDW-triggered Mott gap undergoes a continuous reduction as the lattice temperature raises, despite a nearly constant CDW amplitude. Before the CDW order undergoes a sharp first-order transition around t"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1908.04455","kind":"arxiv","version":4},"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/1908.04455/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"},"verdict_id":null},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-05T00:57:33Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"53PTyZfPN/zV3XhibwniM41fGeHLbH9kVjJSs4+GxlBf2Dbt2nA47gkCW5I9LAZG2fL1HuZRgPpgG1ZCeNEFCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-16T17:45:16.310415Z"},"content_sha256":"b0a000f4de644965ea0da4200bfd93061a4905ae60b4df20b923b98ef5dca4b3","schema_version":"1.0","event_id":"sha256:b0a000f4de644965ea0da4200bfd93061a4905ae60b4df20b923b98ef5dca4b3"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/BFZYURM52YRWFNPCUHYS3FPQZD/bundle.json","state_url":"https://pith.science/pith/BFZYURM52YRWFNPCUHYS3FPQZD/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/BFZYURM52YRWFNPCUHYS3FPQZD/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":"2026-08-16T17:45:16Z","links":{"resolver":"https://pith.science/pith/BFZYURM52YRWFNPCUHYS3FPQZD","bundle":"https://pith.science/pith/BFZYURM52YRWFNPCUHYS3FPQZD/bundle.json","state":"https://pith.science/pith/BFZYURM52YRWFNPCUHYS3FPQZD/state.json","well_known_bundle":"https://pith.science/.well-known/pith/BFZYURM52YRWFNPCUHYS3FPQZD/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2019:BFZYURM52YRWFNPCUHYS3FPQZD","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":"6129159d2aa6ed5101e73843ff8db7666e4e68c3caca0260f0be546ccc4f1425","cross_cats_sorted":["cond-mat.mtrl-sci","cond-mat.str-el","physics.comp-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2019-08-13T01:41:17Z","title_canon_sha256":"9345be8d411f033602ced96bcac5e985435984dd67a14fd5fa5200bcf338e2ca"},"schema_version":"1.0","source":{"id":"1908.04455","kind":"arxiv","version":4}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1908.04455","created_at":"2026-07-05T00:57:33Z"},{"alias_kind":"arxiv_version","alias_value":"1908.04455v4","created_at":"2026-07-05T00:57:33Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1908.04455","created_at":"2026-07-05T00:57:33Z"},{"alias_kind":"pith_short_12","alias_value":"BFZYURM52YRW","created_at":"2026-07-05T00:57:33Z"},{"alias_kind":"pith_short_16","alias_value":"BFZYURM52YRWFNPC","created_at":"2026-07-05T00:57:33Z"},{"alias_kind":"pith_short_8","alias_value":"BFZYURM5","created_at":"2026-07-05T00:57:33Z"}],"graph_snapshots":[{"event_id":"sha256:b0a000f4de644965ea0da4200bfd93061a4905ae60b4df20b923b98ef5dca4b3","target":"graph","created_at":"2026-07-05T00:57:33Z","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"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/1908.04455/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"In many transition-metal oxides and dichalcogenides, the electronic and lattice degrees of freedom are strongly coupled, giving rise to remarkable phenomena, such as metal-insulator transition (MIT) and charge-density wave (CDW) order. We study this interplay by tracing the instant electronic structure under ab initio molecular dynamics. Applying this method to a 1T-TaS2 layer, we show that the CDW-triggered Mott gap undergoes a continuous reduction as the lattice temperature raises, despite a nearly constant CDW amplitude. Before the CDW order undergoes a sharp first-order transition around t","authors_text":"Li Cheng, Lizhao Liu, Shuang Qiao, Shunhong Zhang, Xiaofeng Wang, Zheng Liu","cross_cats":["cond-mat.mtrl-sci","cond-mat.str-el","physics.comp-ph"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2019-08-13T01:41:17Z","title":"Renormalization of the Mott gap by lattice entropy: The case of 1T-TaS2"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1908.04455","kind":"arxiv","version":4},"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:ec1c7ab05869910aa97743aafa159e8c29b1a539b7a8a51567fb4366ab4160e1","target":"record","created_at":"2026-07-05T00:57:33Z","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":"6129159d2aa6ed5101e73843ff8db7666e4e68c3caca0260f0be546ccc4f1425","cross_cats_sorted":["cond-mat.mtrl-sci","cond-mat.str-el","physics.comp-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2019-08-13T01:41:17Z","title_canon_sha256":"9345be8d411f033602ced96bcac5e985435984dd67a14fd5fa5200bcf338e2ca"},"schema_version":"1.0","source":{"id":"1908.04455","kind":"arxiv","version":4}},"canonical_sha256":"09738a459dd62362b5e2a1f12d95f0c8e85d55389b1582301e277cb9173c19cd","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"09738a459dd62362b5e2a1f12d95f0c8e85d55389b1582301e277cb9173c19cd","first_computed_at":"2026-07-05T00:57:33.691665Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T00:57:33.691665Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"27+smzqajVq1fsn4+kVcMwCu91f6lXKCDYdHiksrno8QNpvP1G+i/sf7SEH6u9f7iH6fqeCtMggFE/CQiYZpBA==","signature_status":"signed_v1","signed_at":"2026-07-05T00:57:33.692180Z","signed_message":"canonical_sha256_bytes"},"source_id":"1908.04455","source_kind":"arxiv","source_version":4}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:ec1c7ab05869910aa97743aafa159e8c29b1a539b7a8a51567fb4366ab4160e1","sha256:b0a000f4de644965ea0da4200bfd93061a4905ae60b4df20b923b98ef5dca4b3"],"state_sha256":"a5334dded1cd1d569e1f11a4d6223ceae87241597055df94f7469b32fbaf0d2c"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"zCn0tGwnmSrT16U5gi993hT0rAe7c0LIF6EXMvARrm8GLzkYY1K3mxCci9GaiGMKf1TUccRyTm3Ek4fUWkC4CQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-16T17:45:16.318744Z","bundle_sha256":"7c2a072402e7f89977ccb08ff3f496cd5ddc3de775f752dea9413d6d6a71b1b9"}}