{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2011:VXZPKHPSRNW6FDXPENAADA26R7","short_pith_number":"pith:VXZPKHPS","canonical_record":{"source":{"id":"1108.1638","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2011-08-08T09:01:28Z","cross_cats_sorted":[],"title_canon_sha256":"d52bb83739925401bfadac242cac74d90facb3e731c1a3ecb08e6069b8d83f0f","abstract_canon_sha256":"2049d624b23b2e54a92822a4c4c34d409e88ceba8b3c9d47c5ec3046cb3debb7"},"schema_version":"1.0"},"canonical_sha256":"adf2f51df28b6de28eef234001835e8ffb24a703c90d2286169662dc1befd5ed","source":{"kind":"arxiv","id":"1108.1638","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1108.1638","created_at":"2026-05-18T02:01:00Z"},{"alias_kind":"arxiv_version","alias_value":"1108.1638v1","created_at":"2026-05-18T02:01:00Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1108.1638","created_at":"2026-05-18T02:01:00Z"},{"alias_kind":"pith_short_12","alias_value":"VXZPKHPSRNW6","created_at":"2026-05-18T12:26:44Z"},{"alias_kind":"pith_short_16","alias_value":"VXZPKHPSRNW6FDXP","created_at":"2026-05-18T12:26:44Z"},{"alias_kind":"pith_short_8","alias_value":"VXZPKHPS","created_at":"2026-05-18T12:26:44Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2011:VXZPKHPSRNW6FDXPENAADA26R7","target":"record","payload":{"canonical_record":{"source":{"id":"1108.1638","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2011-08-08T09:01:28Z","cross_cats_sorted":[],"title_canon_sha256":"d52bb83739925401bfadac242cac74d90facb3e731c1a3ecb08e6069b8d83f0f","abstract_canon_sha256":"2049d624b23b2e54a92822a4c4c34d409e88ceba8b3c9d47c5ec3046cb3debb7"},"schema_version":"1.0"},"canonical_sha256":"adf2f51df28b6de28eef234001835e8ffb24a703c90d2286169662dc1befd5ed","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:01:00.507490Z","signature_b64":"wNjEf+y6DujSKRzmGFhBspbGrI1V6XdHmq+1dOZftZ/6kcgu35pbJyz6b62xQSpXqIByE8ePgDI3aieBy5UIDw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"adf2f51df28b6de28eef234001835e8ffb24a703c90d2286169662dc1befd5ed","last_reissued_at":"2026-05-18T02:01:00.506888Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:01:00.506888Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1108.1638","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":"2026-05-18T02:01:00Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"UN1hCsKEDqq/fh5Gi4FUqDPyZIWAxe2U0XzwZE0F5+izkvh1lxGGuPHPE9EjxTJww6PAzfTUei8KVH/G1QGaDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-19T04:21:14.222173Z"},"content_sha256":"e1adaddb36c01fd7b20d37b6e158b321ae16c7075bcdcb6e7b64c6156522f227","schema_version":"1.0","event_id":"sha256:e1adaddb36c01fd7b20d37b6e158b321ae16c7075bcdcb6e7b64c6156522f227"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2011:VXZPKHPSRNW6FDXPENAADA26R7","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Chiral Symmetry and Electron-Electron Interaction in Many-Body Gap Formation in Graphene","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mes-hall","authors_text":"H. Aoki, Y. Hamamoto, Y. Hatsugai","submitted_at":"2011-08-08T09:01:28Z","abstract_excerpt":"We study a many-body ground state of graphene in perpendicular magnetic fields. Chiral symmetry in graphene enables us to determine the many-body ground state, which turns out to be a doubly degenerate chiral condensate for the half-filled (undoped) case. In the ground state a prominent charge accumulation emerges along zigzag edges. We also show that gapless excitations are absent despite the presence of the robust edge modes, which is consistent with the Chern number C = 0."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1108.1638","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":"2026-05-18T02:01:00Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"S/3LzEKpe/6VED9+sUxJWLazfX+IImERdxWDqdd5BFqJlIf1aiSJeHZXJ7sStH9eIII9kSX2FZBnq1UZrSCYDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-19T04:21:14.222565Z"},"content_sha256":"e12aaa5fe458f98ce2e6d915de00c4e4ca9e815e94bc8f9aff8e6aa22860b25d","schema_version":"1.0","event_id":"sha256:e12aaa5fe458f98ce2e6d915de00c4e4ca9e815e94bc8f9aff8e6aa22860b25d"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/VXZPKHPSRNW6FDXPENAADA26R7/bundle.json","state_url":"https://pith.science/pith/VXZPKHPSRNW6FDXPENAADA26R7/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/VXZPKHPSRNW6FDXPENAADA26R7/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":"2026-05-19T04:21:14Z","links":{"resolver":"https://pith.science/pith/VXZPKHPSRNW6FDXPENAADA26R7","bundle":"https://pith.science/pith/VXZPKHPSRNW6FDXPENAADA26R7/bundle.json","state":"https://pith.science/pith/VXZPKHPSRNW6FDXPENAADA26R7/state.json","well_known_bundle":"https://pith.science/.well-known/pith/VXZPKHPSRNW6FDXPENAADA26R7/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2011:VXZPKHPSRNW6FDXPENAADA26R7","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":"2049d624b23b2e54a92822a4c4c34d409e88ceba8b3c9d47c5ec3046cb3debb7","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2011-08-08T09:01:28Z","title_canon_sha256":"d52bb83739925401bfadac242cac74d90facb3e731c1a3ecb08e6069b8d83f0f"},"schema_version":"1.0","source":{"id":"1108.1638","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1108.1638","created_at":"2026-05-18T02:01:00Z"},{"alias_kind":"arxiv_version","alias_value":"1108.1638v1","created_at":"2026-05-18T02:01:00Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1108.1638","created_at":"2026-05-18T02:01:00Z"},{"alias_kind":"pith_short_12","alias_value":"VXZPKHPSRNW6","created_at":"2026-05-18T12:26:44Z"},{"alias_kind":"pith_short_16","alias_value":"VXZPKHPSRNW6FDXP","created_at":"2026-05-18T12:26:44Z"},{"alias_kind":"pith_short_8","alias_value":"VXZPKHPS","created_at":"2026-05-18T12:26:44Z"}],"graph_snapshots":[{"event_id":"sha256:e12aaa5fe458f98ce2e6d915de00c4e4ca9e815e94bc8f9aff8e6aa22860b25d","target":"graph","created_at":"2026-05-18T02:01:00Z","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 study a many-body ground state of graphene in perpendicular magnetic fields. Chiral symmetry in graphene enables us to determine the many-body ground state, which turns out to be a doubly degenerate chiral condensate for the half-filled (undoped) case. In the ground state a prominent charge accumulation emerges along zigzag edges. We also show that gapless excitations are absent despite the presence of the robust edge modes, which is consistent with the Chern number C = 0.","authors_text":"H. Aoki, Y. Hamamoto, Y. Hatsugai","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2011-08-08T09:01:28Z","title":"Chiral Symmetry and Electron-Electron Interaction in Many-Body Gap Formation in Graphene"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1108.1638","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:e1adaddb36c01fd7b20d37b6e158b321ae16c7075bcdcb6e7b64c6156522f227","target":"record","created_at":"2026-05-18T02:01:00Z","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":"2049d624b23b2e54a92822a4c4c34d409e88ceba8b3c9d47c5ec3046cb3debb7","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2011-08-08T09:01:28Z","title_canon_sha256":"d52bb83739925401bfadac242cac74d90facb3e731c1a3ecb08e6069b8d83f0f"},"schema_version":"1.0","source":{"id":"1108.1638","kind":"arxiv","version":1}},"canonical_sha256":"adf2f51df28b6de28eef234001835e8ffb24a703c90d2286169662dc1befd5ed","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"adf2f51df28b6de28eef234001835e8ffb24a703c90d2286169662dc1befd5ed","first_computed_at":"2026-05-18T02:01:00.506888Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:01:00.506888Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"wNjEf+y6DujSKRzmGFhBspbGrI1V6XdHmq+1dOZftZ/6kcgu35pbJyz6b62xQSpXqIByE8ePgDI3aieBy5UIDw==","signature_status":"signed_v1","signed_at":"2026-05-18T02:01:00.507490Z","signed_message":"canonical_sha256_bytes"},"source_id":"1108.1638","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:e1adaddb36c01fd7b20d37b6e158b321ae16c7075bcdcb6e7b64c6156522f227","sha256:e12aaa5fe458f98ce2e6d915de00c4e4ca9e815e94bc8f9aff8e6aa22860b25d"],"state_sha256":"7e93deb91dd999a15062c3153f39fbf178e9ea0b9c173f3348b2b3a4067f6448"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"susSbL163xSlsQFB3Dveuad6FuqlE/EIjPvZ1v+tMVpcWmDd9u26HUMJm5ZfA0C7cL9hBT2hEpX+S1Vug3lyDw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-19T04:21:14.224519Z","bundle_sha256":"098945c9b18ec874e9b8e6d1f24f418e206733a1bcae817d11bb871b0c463346"}}