{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2011:N6G4C2LUT64KX44NAQPSCYKPBF","short_pith_number":"pith:N6G4C2LU","canonical_record":{"source":{"id":"1107.4841","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2011-07-25T05:19:17Z","cross_cats_sorted":[],"title_canon_sha256":"75c342bc51c1c6e20bf22bc1396d45312d0832632992f0f2266de0acf0975bfd","abstract_canon_sha256":"d9ca89294650dd36ce01b2110657ea15b8803623a32072e9058b36e36ab255a2"},"schema_version":"1.0"},"canonical_sha256":"6f8dc169749fb8abf38d041f21614f0948fc7dd48389663c448545f9ac1838d9","source":{"kind":"arxiv","id":"1107.4841","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1107.4841","created_at":"2026-05-18T02:01:10Z"},{"alias_kind":"arxiv_version","alias_value":"1107.4841v1","created_at":"2026-05-18T02:01:10Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1107.4841","created_at":"2026-05-18T02:01:10Z"},{"alias_kind":"pith_short_12","alias_value":"N6G4C2LUT64K","created_at":"2026-05-18T12:26:37Z"},{"alias_kind":"pith_short_16","alias_value":"N6G4C2LUT64KX44N","created_at":"2026-05-18T12:26:37Z"},{"alias_kind":"pith_short_8","alias_value":"N6G4C2LU","created_at":"2026-05-18T12:26:37Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2011:N6G4C2LUT64KX44NAQPSCYKPBF","target":"record","payload":{"canonical_record":{"source":{"id":"1107.4841","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2011-07-25T05:19:17Z","cross_cats_sorted":[],"title_canon_sha256":"75c342bc51c1c6e20bf22bc1396d45312d0832632992f0f2266de0acf0975bfd","abstract_canon_sha256":"d9ca89294650dd36ce01b2110657ea15b8803623a32072e9058b36e36ab255a2"},"schema_version":"1.0"},"canonical_sha256":"6f8dc169749fb8abf38d041f21614f0948fc7dd48389663c448545f9ac1838d9","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:01:10.777676Z","signature_b64":"eazo0oWgFa0D+98EZQtZAc9SqMXMUZzDXVmWUmCE10n48+4lSiaH/1mvQoTtKPGUng/KmIijJwFtK20568EnAQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"6f8dc169749fb8abf38d041f21614f0948fc7dd48389663c448545f9ac1838d9","last_reissued_at":"2026-05-18T02:01:10.776891Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:01:10.776891Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1107.4841","source_version":1,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T02:01:10Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"EC1gwhcdw1dmAArigc0dkJpFlpQaUtOjlGLzkJ64jrPEanoJl6874A9HSYpgou1wJKPS1XsG8IsKRgBj5yxPBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T12:38:05.765323Z"},"content_sha256":"27757dee3cb905ad6e081ad983665f2278d87f85e5b6290a6e8140d40ceb6664","schema_version":"1.0","event_id":"sha256:27757dee3cb905ad6e081ad983665f2278d87f85e5b6290a6e8140d40ceb6664"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2011:N6G4C2LUT64KX44NAQPSCYKPBF","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Emergence of Dirac Electron Pair in Charge Ordered State of Organic Conductor $\\alpha$-(BEDT-TTF)$_2$I$_3$","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mes-hall","authors_text":"A. Kobayashi, F. Pi\\'echon, G. Montambaux, Y. Suzumura","submitted_at":"2011-07-25T05:19:17Z","abstract_excerpt":"We re-examine the band structure of the stripe charge ordered state of $\\alpha$-(BEDT-TTF)$_2$I$_3$ under pressure by using an extended Hubbard model within the Hartree mean-field theory. By increasing pressure, we find a topological transition from a conventional insulator with a single-minimum in the dispersion relation at the M-point in the Brillouin zone, towards a new phase which exhibits a double-minimum. This transition is characterized by the appearance of a pair of Dirac electrons with a finite mass. Using the Luttinger-Kohn representation at the M-point, it is shown that such a varia"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1107.4841","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"},"verdict_id":null},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T02:01:10Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"EBuZnzaBHPePz1rXDqQma7g8DNZzzB8Mzjczj0IsN8dMQj5MR15BITujyxFO6O9dEBKR1G51cpIKsAlt0JvsCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T12:38:05.765814Z"},"content_sha256":"770b7e58a4e2913846b7ae35c2e91440bea90db8642adffce6c26a694bebfc21","schema_version":"1.0","event_id":"sha256:770b7e58a4e2913846b7ae35c2e91440bea90db8642adffce6c26a694bebfc21"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/N6G4C2LUT64KX44NAQPSCYKPBF/bundle.json","state_url":"https://pith.science/pith/N6G4C2LUT64KX44NAQPSCYKPBF/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/N6G4C2LUT64KX44NAQPSCYKPBF/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":"2026-05-27T12:38:05Z","links":{"resolver":"https://pith.science/pith/N6G4C2LUT64KX44NAQPSCYKPBF","bundle":"https://pith.science/pith/N6G4C2LUT64KX44NAQPSCYKPBF/bundle.json","state":"https://pith.science/pith/N6G4C2LUT64KX44NAQPSCYKPBF/state.json","well_known_bundle":"https://pith.science/.well-known/pith/N6G4C2LUT64KX44NAQPSCYKPBF/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2011:N6G4C2LUT64KX44NAQPSCYKPBF","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":"d9ca89294650dd36ce01b2110657ea15b8803623a32072e9058b36e36ab255a2","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2011-07-25T05:19:17Z","title_canon_sha256":"75c342bc51c1c6e20bf22bc1396d45312d0832632992f0f2266de0acf0975bfd"},"schema_version":"1.0","source":{"id":"1107.4841","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1107.4841","created_at":"2026-05-18T02:01:10Z"},{"alias_kind":"arxiv_version","alias_value":"1107.4841v1","created_at":"2026-05-18T02:01:10Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1107.4841","created_at":"2026-05-18T02:01:10Z"},{"alias_kind":"pith_short_12","alias_value":"N6G4C2LUT64K","created_at":"2026-05-18T12:26:37Z"},{"alias_kind":"pith_short_16","alias_value":"N6G4C2LUT64KX44N","created_at":"2026-05-18T12:26:37Z"},{"alias_kind":"pith_short_8","alias_value":"N6G4C2LU","created_at":"2026-05-18T12:26:37Z"}],"graph_snapshots":[{"event_id":"sha256:770b7e58a4e2913846b7ae35c2e91440bea90db8642adffce6c26a694bebfc21","target":"graph","created_at":"2026-05-18T02:01:10Z","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":"We re-examine the band structure of the stripe charge ordered state of $\\alpha$-(BEDT-TTF)$_2$I$_3$ under pressure by using an extended Hubbard model within the Hartree mean-field theory. By increasing pressure, we find a topological transition from a conventional insulator with a single-minimum in the dispersion relation at the M-point in the Brillouin zone, towards a new phase which exhibits a double-minimum. This transition is characterized by the appearance of a pair of Dirac electrons with a finite mass. Using the Luttinger-Kohn representation at the M-point, it is shown that such a varia","authors_text":"A. Kobayashi, F. Pi\\'echon, G. Montambaux, Y. Suzumura","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2011-07-25T05:19:17Z","title":"Emergence of Dirac Electron Pair in Charge Ordered State of Organic Conductor $\\alpha$-(BEDT-TTF)$_2$I$_3$"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1107.4841","kind":"arxiv","version":1},"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":"sha256:27757dee3cb905ad6e081ad983665f2278d87f85e5b6290a6e8140d40ceb6664","target":"record","created_at":"2026-05-18T02:01:10Z","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":"d9ca89294650dd36ce01b2110657ea15b8803623a32072e9058b36e36ab255a2","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2011-07-25T05:19:17Z","title_canon_sha256":"75c342bc51c1c6e20bf22bc1396d45312d0832632992f0f2266de0acf0975bfd"},"schema_version":"1.0","source":{"id":"1107.4841","kind":"arxiv","version":1}},"canonical_sha256":"6f8dc169749fb8abf38d041f21614f0948fc7dd48389663c448545f9ac1838d9","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"6f8dc169749fb8abf38d041f21614f0948fc7dd48389663c448545f9ac1838d9","first_computed_at":"2026-05-18T02:01:10.776891Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:01:10.776891Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"eazo0oWgFa0D+98EZQtZAc9SqMXMUZzDXVmWUmCE10n48+4lSiaH/1mvQoTtKPGUng/KmIijJwFtK20568EnAQ==","signature_status":"signed_v1","signed_at":"2026-05-18T02:01:10.777676Z","signed_message":"canonical_sha256_bytes"},"source_id":"1107.4841","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:27757dee3cb905ad6e081ad983665f2278d87f85e5b6290a6e8140d40ceb6664","sha256:770b7e58a4e2913846b7ae35c2e91440bea90db8642adffce6c26a694bebfc21"],"state_sha256":"1b70d8efce95bbf2402a74a9d43be9ea7b69dcdefb539655fbbe65f246905084"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"c9Lga4TnVl38+MzQ0MQitnB/XX4lVtMMCv717KUgi+yVhnQnkdulA383t1837e7K3VjZDMfsETa48KlfBn0PAw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-27T12:38:05.768142Z","bundle_sha256":"5608bcdc0dafae3093a27e49fb0b52190baa1c884c42fca620890a24b06cb430"}}