{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2019:PCEAX2CWDTMTCCB67SL7KVLDZB","short_pith_number":"pith:PCEAX2CW","canonical_record":{"source":{"id":"1903.11727","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2019-03-27T23:12:45Z","cross_cats_sorted":["cond-mat.mtrl-sci"],"title_canon_sha256":"aaf352503cd6c4b33005abe38534be0508423ede240830b433ebaf23c4c19585","abstract_canon_sha256":"492c49b090311399ed62fcd059bbce6d462d7ee1fb20e1779dcc19a838d75c7d"},"schema_version":"1.0"},"canonical_sha256":"78880be8561cd931083efc97f55563c84fa91c702a3f8afe83cd74c01eaf06bc","source":{"kind":"arxiv","id":"1903.11727","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1903.11727","created_at":"2026-05-17T23:45:25Z"},{"alias_kind":"arxiv_version","alias_value":"1903.11727v2","created_at":"2026-05-17T23:45:25Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1903.11727","created_at":"2026-05-17T23:45:25Z"},{"alias_kind":"pith_short_12","alias_value":"PCEAX2CWDTMT","created_at":"2026-05-18T12:33:24Z"},{"alias_kind":"pith_short_16","alias_value":"PCEAX2CWDTMTCCB6","created_at":"2026-05-18T12:33:24Z"},{"alias_kind":"pith_short_8","alias_value":"PCEAX2CW","created_at":"2026-05-18T12:33:24Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2019:PCEAX2CWDTMTCCB67SL7KVLDZB","target":"record","payload":{"canonical_record":{"source":{"id":"1903.11727","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2019-03-27T23:12:45Z","cross_cats_sorted":["cond-mat.mtrl-sci"],"title_canon_sha256":"aaf352503cd6c4b33005abe38534be0508423ede240830b433ebaf23c4c19585","abstract_canon_sha256":"492c49b090311399ed62fcd059bbce6d462d7ee1fb20e1779dcc19a838d75c7d"},"schema_version":"1.0"},"canonical_sha256":"78880be8561cd931083efc97f55563c84fa91c702a3f8afe83cd74c01eaf06bc","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:45:25.740169Z","signature_b64":"zviwrpqjqfumdXm4k4z5ODsw54N0IMSFcHQqNs9RPc7QWSwqjeMcXIZuCZT2lzcyXYHTathfA4XYmwohoHMGBQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"78880be8561cd931083efc97f55563c84fa91c702a3f8afe83cd74c01eaf06bc","last_reissued_at":"2026-05-17T23:45:25.739607Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:45:25.739607Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1903.11727","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-17T23:45:25Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"qQJiQaGK8zfmOesOYHQddHhj2KFvSM7X3qWOBMnBV0uAZoLRpjLm3Fn9XV6gAxai7I6xpp5nXpV5udJmT0GDAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T21:54:41.401190Z"},"content_sha256":"1badd5685f489f78c98b30b3852b0a50a635750f184799ceea4ca497eaba4593","schema_version":"1.0","event_id":"sha256:1badd5685f489f78c98b30b3852b0a50a635750f184799ceea4ca497eaba4593"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2019:PCEAX2CWDTMTCCB67SL7KVLDZB","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Weyl points created by a three-dimensional flat band","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.mtrl-sci"],"primary_cat":"cond-mat.mes-hall","authors_text":"Feng Liu, Huaqing Huang, Kyung-Hwan Jin, Yinong Zhou, Zhengfei Wang","submitted_at":"2019-03-27T23:12:45Z","abstract_excerpt":"Following the discovery of topological insulators (TIs), topological Dirac/Weyl semimetal has attracted much recent interest. A prevailing mechanism for the formation of Weyl points is by breaking time-reversal symmetry (TRS) or spatial inversion symmetry of a Dirac point. Here we demonstrate a generic formation mechanism for Weyl points by breaking TRS of a three-dimensional (3D) TI featured with highly degenerate 3D flat bands (FBs). It is in direct contrast to the conventional view that breaking TRS of a 2D/3D TI leads to a Chern insulator exhibiting quantum anomalous Hall effect. Based on "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1903.11727","kind":"arxiv","version":2},"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":"2026-05-17T23:45:25Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"73Newt+oJjgxt9gGWyqGBvQyPLG1NTzJnxK3mriQPAMxaLP3C0PfMgOwM+y8dIj6Ps9PGlPPVQUlXkSb12YsCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T21:54:41.401887Z"},"content_sha256":"83f862b69ee95af08ddd0adac76342467a6abe0b00e9d62436d8101a81011cba","schema_version":"1.0","event_id":"sha256:83f862b69ee95af08ddd0adac76342467a6abe0b00e9d62436d8101a81011cba"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/PCEAX2CWDTMTCCB67SL7KVLDZB/bundle.json","state_url":"https://pith.science/pith/PCEAX2CWDTMTCCB67SL7KVLDZB/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/PCEAX2CWDTMTCCB67SL7KVLDZB/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":"2026-05-25T21:54:41Z","links":{"resolver":"https://pith.science/pith/PCEAX2CWDTMTCCB67SL7KVLDZB","bundle":"https://pith.science/pith/PCEAX2CWDTMTCCB67SL7KVLDZB/bundle.json","state":"https://pith.science/pith/PCEAX2CWDTMTCCB67SL7KVLDZB/state.json","well_known_bundle":"https://pith.science/.well-known/pith/PCEAX2CWDTMTCCB67SL7KVLDZB/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2019:PCEAX2CWDTMTCCB67SL7KVLDZB","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":"492c49b090311399ed62fcd059bbce6d462d7ee1fb20e1779dcc19a838d75c7d","cross_cats_sorted":["cond-mat.mtrl-sci"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2019-03-27T23:12:45Z","title_canon_sha256":"aaf352503cd6c4b33005abe38534be0508423ede240830b433ebaf23c4c19585"},"schema_version":"1.0","source":{"id":"1903.11727","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1903.11727","created_at":"2026-05-17T23:45:25Z"},{"alias_kind":"arxiv_version","alias_value":"1903.11727v2","created_at":"2026-05-17T23:45:25Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1903.11727","created_at":"2026-05-17T23:45:25Z"},{"alias_kind":"pith_short_12","alias_value":"PCEAX2CWDTMT","created_at":"2026-05-18T12:33:24Z"},{"alias_kind":"pith_short_16","alias_value":"PCEAX2CWDTMTCCB6","created_at":"2026-05-18T12:33:24Z"},{"alias_kind":"pith_short_8","alias_value":"PCEAX2CW","created_at":"2026-05-18T12:33:24Z"}],"graph_snapshots":[{"event_id":"sha256:83f862b69ee95af08ddd0adac76342467a6abe0b00e9d62436d8101a81011cba","target":"graph","created_at":"2026-05-17T23:45:25Z","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":"Following the discovery of topological insulators (TIs), topological Dirac/Weyl semimetal has attracted much recent interest. A prevailing mechanism for the formation of Weyl points is by breaking time-reversal symmetry (TRS) or spatial inversion symmetry of a Dirac point. Here we demonstrate a generic formation mechanism for Weyl points by breaking TRS of a three-dimensional (3D) TI featured with highly degenerate 3D flat bands (FBs). It is in direct contrast to the conventional view that breaking TRS of a 2D/3D TI leads to a Chern insulator exhibiting quantum anomalous Hall effect. Based on ","authors_text":"Feng Liu, Huaqing Huang, Kyung-Hwan Jin, Yinong Zhou, Zhengfei Wang","cross_cats":["cond-mat.mtrl-sci"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2019-03-27T23:12:45Z","title":"Weyl points created by a three-dimensional flat band"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1903.11727","kind":"arxiv","version":2},"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":"sha256:1badd5685f489f78c98b30b3852b0a50a635750f184799ceea4ca497eaba4593","target":"record","created_at":"2026-05-17T23:45:25Z","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":"492c49b090311399ed62fcd059bbce6d462d7ee1fb20e1779dcc19a838d75c7d","cross_cats_sorted":["cond-mat.mtrl-sci"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2019-03-27T23:12:45Z","title_canon_sha256":"aaf352503cd6c4b33005abe38534be0508423ede240830b433ebaf23c4c19585"},"schema_version":"1.0","source":{"id":"1903.11727","kind":"arxiv","version":2}},"canonical_sha256":"78880be8561cd931083efc97f55563c84fa91c702a3f8afe83cd74c01eaf06bc","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"78880be8561cd931083efc97f55563c84fa91c702a3f8afe83cd74c01eaf06bc","first_computed_at":"2026-05-17T23:45:25.739607Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-17T23:45:25.739607Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"zviwrpqjqfumdXm4k4z5ODsw54N0IMSFcHQqNs9RPc7QWSwqjeMcXIZuCZT2lzcyXYHTathfA4XYmwohoHMGBQ==","signature_status":"signed_v1","signed_at":"2026-05-17T23:45:25.740169Z","signed_message":"canonical_sha256_bytes"},"source_id":"1903.11727","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:1badd5685f489f78c98b30b3852b0a50a635750f184799ceea4ca497eaba4593","sha256:83f862b69ee95af08ddd0adac76342467a6abe0b00e9d62436d8101a81011cba"],"state_sha256":"47c113c9605aea4890f5d02f76f655a6c535aaaf5a531b4636d1ea4a38748496"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"X39ndA/00kKah/6LFKQjOrlQBiecZ2xp2eCNxB9x6U9CRsjULsDuGidfUqjQZEFqC3r4/heq3PouW9+0WZpzCw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-25T21:54:41.406123Z","bundle_sha256":"576b802f5f0b5446394245a768e938ae8c03e69b170aa43987ed089a7b8613e9"}}