{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2014:CXE4SKU365OUI2X4Q6DS4YSR3R","short_pith_number":"pith:CXE4SKU3","canonical_record":{"source":{"id":"1402.4274","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2014-02-18T10:25:11Z","cross_cats_sorted":["cond-mat.mes-hall"],"title_canon_sha256":"f9984c1aec216e1912fe18bcaba81fcba65c704a64f124f6f982129f31d2466a","abstract_canon_sha256":"263c86fdb35491e08811116f072822b55e77fd0cb303fe4d613ba52456d783b5"},"schema_version":"1.0"},"canonical_sha256":"15c9c92a9bf75d446afc87872e6251dc45d771ff62707083bb46caac412e8215","source":{"kind":"arxiv","id":"1402.4274","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1402.4274","created_at":"2026-05-18T01:44:36Z"},{"alias_kind":"arxiv_version","alias_value":"1402.4274v1","created_at":"2026-05-18T01:44:36Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1402.4274","created_at":"2026-05-18T01:44:36Z"},{"alias_kind":"pith_short_12","alias_value":"CXE4SKU365OU","created_at":"2026-05-18T12:28:25Z"},{"alias_kind":"pith_short_16","alias_value":"CXE4SKU365OUI2X4","created_at":"2026-05-18T12:28:25Z"},{"alias_kind":"pith_short_8","alias_value":"CXE4SKU3","created_at":"2026-05-18T12:28:25Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2014:CXE4SKU365OUI2X4Q6DS4YSR3R","target":"record","payload":{"canonical_record":{"source":{"id":"1402.4274","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2014-02-18T10:25:11Z","cross_cats_sorted":["cond-mat.mes-hall"],"title_canon_sha256":"f9984c1aec216e1912fe18bcaba81fcba65c704a64f124f6f982129f31d2466a","abstract_canon_sha256":"263c86fdb35491e08811116f072822b55e77fd0cb303fe4d613ba52456d783b5"},"schema_version":"1.0"},"canonical_sha256":"15c9c92a9bf75d446afc87872e6251dc45d771ff62707083bb46caac412e8215","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:44:36.930356Z","signature_b64":"cdar7gJ3LBCB1ore5bkeGPJMpT868sfkHxkFNZPi1dYB48KeZg7pwKmKwFJirzN5d0YNgUF/UJeR/qgu0bQUAQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"15c9c92a9bf75d446afc87872e6251dc45d771ff62707083bb46caac412e8215","last_reissued_at":"2026-05-18T01:44:36.929779Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:44:36.929779Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1402.4274","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":"2026-05-18T01:44:36Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"pJV5XzQMnlQ2NX7d8A+v+0mx2ztmyOYLrK0TXfTbaXFg2oh1ksSd5UXZ5GNLS2kJrhr5uaQRQTpL3gp7IaTPBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-04T03:34:34.546588Z"},"content_sha256":"1a386abfb648bdbe19be013b209cf4796fc8ade542d4d42deb975caff088b052","schema_version":"1.0","event_id":"sha256:1a386abfb648bdbe19be013b209cf4796fc8ade542d4d42deb975caff088b052"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2014:CXE4SKU365OUI2X4Q6DS4YSR3R","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Interaction-driven phases in a Dirac Semimetal: Exact Diagonalization Results","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.mes-hall"],"primary_cat":"cond-mat.str-el","authors_text":"Huaiming Guo, Yongfei Jia","submitted_at":"2014-02-18T10:25:11Z","abstract_excerpt":"The interaction-driven phases in the Dirac semimetal (SM) of the $\\pi-$ flux model on square lattice are studied with nearest-(NN), next-nearest- (NNN) and next-next-nearest-neighbor (NNNN) interactions using the exact diagonalization method. We find that the NN interaction drives a phase transition from the SM phase to a charge density wave insulator. In the presence of the NNN interaction, the system becomes an anisotropic SM for small interactions and an insulator with the stripe order for large ones. The NNNN interaction drives the Dirac SM to a dimmerized insulator. The interplay of the N"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1402.4274","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":"2026-05-18T01:44:36Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"qJvYdnMsox0iHDQnpPZVOWi0VDkG0aSDkrwx5oSKF+tZ4Z0rzrWbqIrwUx4bKm8Q/h2kjQdNCzbGxh8FPaD2Bg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-04T03:34:34.547280Z"},"content_sha256":"f14f9006e087b634a7d05bccbbd209ab3f6e7fc8bb22b178784b6fcdae9dd40b","schema_version":"1.0","event_id":"sha256:f14f9006e087b634a7d05bccbbd209ab3f6e7fc8bb22b178784b6fcdae9dd40b"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/CXE4SKU365OUI2X4Q6DS4YSR3R/bundle.json","state_url":"https://pith.science/pith/CXE4SKU365OUI2X4Q6DS4YSR3R/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/CXE4SKU365OUI2X4Q6DS4YSR3R/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":"2026-06-04T03:34:34Z","links":{"resolver":"https://pith.science/pith/CXE4SKU365OUI2X4Q6DS4YSR3R","bundle":"https://pith.science/pith/CXE4SKU365OUI2X4Q6DS4YSR3R/bundle.json","state":"https://pith.science/pith/CXE4SKU365OUI2X4Q6DS4YSR3R/state.json","well_known_bundle":"https://pith.science/.well-known/pith/CXE4SKU365OUI2X4Q6DS4YSR3R/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2014:CXE4SKU365OUI2X4Q6DS4YSR3R","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":"263c86fdb35491e08811116f072822b55e77fd0cb303fe4d613ba52456d783b5","cross_cats_sorted":["cond-mat.mes-hall"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2014-02-18T10:25:11Z","title_canon_sha256":"f9984c1aec216e1912fe18bcaba81fcba65c704a64f124f6f982129f31d2466a"},"schema_version":"1.0","source":{"id":"1402.4274","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1402.4274","created_at":"2026-05-18T01:44:36Z"},{"alias_kind":"arxiv_version","alias_value":"1402.4274v1","created_at":"2026-05-18T01:44:36Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1402.4274","created_at":"2026-05-18T01:44:36Z"},{"alias_kind":"pith_short_12","alias_value":"CXE4SKU365OU","created_at":"2026-05-18T12:28:25Z"},{"alias_kind":"pith_short_16","alias_value":"CXE4SKU365OUI2X4","created_at":"2026-05-18T12:28:25Z"},{"alias_kind":"pith_short_8","alias_value":"CXE4SKU3","created_at":"2026-05-18T12:28:25Z"}],"graph_snapshots":[{"event_id":"sha256:f14f9006e087b634a7d05bccbbd209ab3f6e7fc8bb22b178784b6fcdae9dd40b","target":"graph","created_at":"2026-05-18T01:44:36Z","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":"The interaction-driven phases in the Dirac semimetal (SM) of the $\\pi-$ flux model on square lattice are studied with nearest-(NN), next-nearest- (NNN) and next-next-nearest-neighbor (NNNN) interactions using the exact diagonalization method. We find that the NN interaction drives a phase transition from the SM phase to a charge density wave insulator. In the presence of the NNN interaction, the system becomes an anisotropic SM for small interactions and an insulator with the stripe order for large ones. The NNNN interaction drives the Dirac SM to a dimmerized insulator. The interplay of the N","authors_text":"Huaiming Guo, Yongfei Jia","cross_cats":["cond-mat.mes-hall"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2014-02-18T10:25:11Z","title":"Interaction-driven phases in a Dirac Semimetal: Exact Diagonalization Results"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1402.4274","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":"sha256:1a386abfb648bdbe19be013b209cf4796fc8ade542d4d42deb975caff088b052","target":"record","created_at":"2026-05-18T01:44:36Z","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":"263c86fdb35491e08811116f072822b55e77fd0cb303fe4d613ba52456d783b5","cross_cats_sorted":["cond-mat.mes-hall"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2014-02-18T10:25:11Z","title_canon_sha256":"f9984c1aec216e1912fe18bcaba81fcba65c704a64f124f6f982129f31d2466a"},"schema_version":"1.0","source":{"id":"1402.4274","kind":"arxiv","version":1}},"canonical_sha256":"15c9c92a9bf75d446afc87872e6251dc45d771ff62707083bb46caac412e8215","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"15c9c92a9bf75d446afc87872e6251dc45d771ff62707083bb46caac412e8215","first_computed_at":"2026-05-18T01:44:36.929779Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:44:36.929779Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"cdar7gJ3LBCB1ore5bkeGPJMpT868sfkHxkFNZPi1dYB48KeZg7pwKmKwFJirzN5d0YNgUF/UJeR/qgu0bQUAQ==","signature_status":"signed_v1","signed_at":"2026-05-18T01:44:36.930356Z","signed_message":"canonical_sha256_bytes"},"source_id":"1402.4274","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:1a386abfb648bdbe19be013b209cf4796fc8ade542d4d42deb975caff088b052","sha256:f14f9006e087b634a7d05bccbbd209ab3f6e7fc8bb22b178784b6fcdae9dd40b"],"state_sha256":"ef450e35dcb1e3c457859c07799839eec0bc7a74108ea7ff71a883c21ac21389"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ku2S8t2gNNvHGydY5O55Kc7YTghiX/bU10s/QJZw4fTutr+i2HQGg1kMlDKQTOuDM6uSmhs24JHklMWZYjokCg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-04T03:34:34.550555Z","bundle_sha256":"3d07a54e63cfae620ccbf2162b37c9ea4a19be3640fd9f6da8f24727f17f67d5"}}