{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2014:QUG3KFJL2ZICM7ZX3SZDZIOPNM","short_pith_number":"pith:QUG3KFJL","canonical_record":{"source":{"id":"1406.6522","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2014-06-25T11:01:25Z","cross_cats_sorted":["hep-ph"],"title_canon_sha256":"f8b2f0d1c15e85cb09f0dbee0f8439554f442ca6519fb6e22393cd46386d7846","abstract_canon_sha256":"585884cc48f0003a1a1ef13b3052c3de2339bd853a1d565d43b3d825cb952639"},"schema_version":"1.0"},"canonical_sha256":"850db5152bd650267f37dcb23ca1cf6b0632b7f50af119034583348acac27ca2","source":{"kind":"arxiv","id":"1406.6522","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1406.6522","created_at":"2026-05-18T02:48:16Z"},{"alias_kind":"arxiv_version","alias_value":"1406.6522v1","created_at":"2026-05-18T02:48:16Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1406.6522","created_at":"2026-05-18T02:48:16Z"},{"alias_kind":"pith_short_12","alias_value":"QUG3KFJL2ZIC","created_at":"2026-05-18T12:28:46Z"},{"alias_kind":"pith_short_16","alias_value":"QUG3KFJL2ZICM7ZX","created_at":"2026-05-18T12:28:46Z"},{"alias_kind":"pith_short_8","alias_value":"QUG3KFJL","created_at":"2026-05-18T12:28:46Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2014:QUG3KFJL2ZICM7ZX3SZDZIOPNM","target":"record","payload":{"canonical_record":{"source":{"id":"1406.6522","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2014-06-25T11:01:25Z","cross_cats_sorted":["hep-ph"],"title_canon_sha256":"f8b2f0d1c15e85cb09f0dbee0f8439554f442ca6519fb6e22393cd46386d7846","abstract_canon_sha256":"585884cc48f0003a1a1ef13b3052c3de2339bd853a1d565d43b3d825cb952639"},"schema_version":"1.0"},"canonical_sha256":"850db5152bd650267f37dcb23ca1cf6b0632b7f50af119034583348acac27ca2","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:48:16.929436Z","signature_b64":"k/gtas4DP0MUgFnVdrnwuvFxaqjcZWJhHciLkEm9F74skfSeYlR0s8jf2riIR7cqNELkn1Foc2NxG/HC0tFxCw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"850db5152bd650267f37dcb23ca1cf6b0632b7f50af119034583348acac27ca2","last_reissued_at":"2026-05-18T02:48:16.928951Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:48:16.928951Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1406.6522","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":"2026-05-18T02:48:16Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"k/rB1KhqqASVX6PFQnaOqZj2BNxrUIVX1w41EEi11ZchWaJbjBVVEGBwsmSJWSfGS59Aj6eFqIBx9jJRn2toDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-01T17:31:02.824764Z"},"content_sha256":"912925fd6298e754c286662aca2db2d2ee3ccb4dc41972ff81ea1b30216e5850","schema_version":"1.0","event_id":"sha256:912925fd6298e754c286662aca2db2d2ee3ccb4dc41972ff81ea1b30216e5850"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2014:QUG3KFJL2ZICM7ZX3SZDZIOPNM","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Gap generation in Weyl semimetals in a model with local four-fermion interaction","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["hep-ph"],"primary_cat":"cond-mat.str-el","authors_text":"P. O. Sukhachov","submitted_at":"2014-06-25T11:01:25Z","abstract_excerpt":"We study the gap generation in Weyl semimetals in a model with local four-fermion interaction. It is shown that there exists a critical value of coupling constant separating the symmetric and broken symmetry phases, and the corresponding phase diagram is described. The gap generation in a more general class of Weyl materials with small bare gap is studied, and the quasiparticle energy spectrum is determined. It is found that, in this case, the dynamically generated gap leads to additional splitting of the quasiparticle energy bands."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1406.6522","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":"2026-05-18T02:48:16Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"aMNaDUy/1lURCKb9DwFprT2GL6lCjrow/T1Nj+1ecM8shVChEeCLuwUqHsydCXRyhb3I04Tx9rBQodGWLFN3Ag==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-01T17:31:02.825124Z"},"content_sha256":"d4b2dff8c222240154fdef5a635530461267718baf54c826194212602868bab4","schema_version":"1.0","event_id":"sha256:d4b2dff8c222240154fdef5a635530461267718baf54c826194212602868bab4"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/QUG3KFJL2ZICM7ZX3SZDZIOPNM/bundle.json","state_url":"https://pith.science/pith/QUG3KFJL2ZICM7ZX3SZDZIOPNM/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/QUG3KFJL2ZICM7ZX3SZDZIOPNM/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":"2026-06-01T17:31:02Z","links":{"resolver":"https://pith.science/pith/QUG3KFJL2ZICM7ZX3SZDZIOPNM","bundle":"https://pith.science/pith/QUG3KFJL2ZICM7ZX3SZDZIOPNM/bundle.json","state":"https://pith.science/pith/QUG3KFJL2ZICM7ZX3SZDZIOPNM/state.json","well_known_bundle":"https://pith.science/.well-known/pith/QUG3KFJL2ZICM7ZX3SZDZIOPNM/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2014:QUG3KFJL2ZICM7ZX3SZDZIOPNM","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":"585884cc48f0003a1a1ef13b3052c3de2339bd853a1d565d43b3d825cb952639","cross_cats_sorted":["hep-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2014-06-25T11:01:25Z","title_canon_sha256":"f8b2f0d1c15e85cb09f0dbee0f8439554f442ca6519fb6e22393cd46386d7846"},"schema_version":"1.0","source":{"id":"1406.6522","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1406.6522","created_at":"2026-05-18T02:48:16Z"},{"alias_kind":"arxiv_version","alias_value":"1406.6522v1","created_at":"2026-05-18T02:48:16Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1406.6522","created_at":"2026-05-18T02:48:16Z"},{"alias_kind":"pith_short_12","alias_value":"QUG3KFJL2ZIC","created_at":"2026-05-18T12:28:46Z"},{"alias_kind":"pith_short_16","alias_value":"QUG3KFJL2ZICM7ZX","created_at":"2026-05-18T12:28:46Z"},{"alias_kind":"pith_short_8","alias_value":"QUG3KFJL","created_at":"2026-05-18T12:28:46Z"}],"graph_snapshots":[{"event_id":"sha256:d4b2dff8c222240154fdef5a635530461267718baf54c826194212602868bab4","target":"graph","created_at":"2026-05-18T02:48:16Z","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 the gap generation in Weyl semimetals in a model with local four-fermion interaction. It is shown that there exists a critical value of coupling constant separating the symmetric and broken symmetry phases, and the corresponding phase diagram is described. The gap generation in a more general class of Weyl materials with small bare gap is studied, and the quasiparticle energy spectrum is determined. It is found that, in this case, the dynamically generated gap leads to additional splitting of the quasiparticle energy bands.","authors_text":"P. O. Sukhachov","cross_cats":["hep-ph"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2014-06-25T11:01:25Z","title":"Gap generation in Weyl semimetals in a model with local four-fermion interaction"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1406.6522","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":"sha256:912925fd6298e754c286662aca2db2d2ee3ccb4dc41972ff81ea1b30216e5850","target":"record","created_at":"2026-05-18T02:48:16Z","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":"585884cc48f0003a1a1ef13b3052c3de2339bd853a1d565d43b3d825cb952639","cross_cats_sorted":["hep-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2014-06-25T11:01:25Z","title_canon_sha256":"f8b2f0d1c15e85cb09f0dbee0f8439554f442ca6519fb6e22393cd46386d7846"},"schema_version":"1.0","source":{"id":"1406.6522","kind":"arxiv","version":1}},"canonical_sha256":"850db5152bd650267f37dcb23ca1cf6b0632b7f50af119034583348acac27ca2","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"850db5152bd650267f37dcb23ca1cf6b0632b7f50af119034583348acac27ca2","first_computed_at":"2026-05-18T02:48:16.928951Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:48:16.928951Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"k/gtas4DP0MUgFnVdrnwuvFxaqjcZWJhHciLkEm9F74skfSeYlR0s8jf2riIR7cqNELkn1Foc2NxG/HC0tFxCw==","signature_status":"signed_v1","signed_at":"2026-05-18T02:48:16.929436Z","signed_message":"canonical_sha256_bytes"},"source_id":"1406.6522","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:912925fd6298e754c286662aca2db2d2ee3ccb4dc41972ff81ea1b30216e5850","sha256:d4b2dff8c222240154fdef5a635530461267718baf54c826194212602868bab4"],"state_sha256":"d88e7d2032b77f3e7c37e7cb1f7d0bcd7aaff3bb16d2a8a33328ecab2a948ef8"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"KTgoqMvCyR+uUfFyFcYAr0ZWRK+2yWM3GGJ60Q5k8bs1xLC0MRlY8bqODWMmobVKfJ6hqYRBdGPfImbHCY9tCw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-01T17:31:02.827019Z","bundle_sha256":"e13e530daf33b91792ec86d4e760d7c2716f05c515894bf33f50045fcfb286df"}}