{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2019:XRD4MXVUSYXT5SJSJRRJKHH4CP","short_pith_number":"pith:XRD4MXVU","canonical_record":{"source":{"id":"1908.00901","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2019-08-02T15:19:24Z","cross_cats_sorted":["cond-mat.mes-hall"],"title_canon_sha256":"d40082b7d0e6d382423ac3387121fb4973f4522264d3453c948167f0ec8c00b2","abstract_canon_sha256":"1ed5aafc4bfe3bd14dadd5a307cefdc66c59603d8b569d43daccbe8d28646da3"},"schema_version":"1.0"},"canonical_sha256":"bc47c65eb4962f3ec9324c62951cfc13dba953028bdda1a11906338eab9ba7c7","source":{"kind":"arxiv","id":"1908.00901","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1908.00901","created_at":"2026-07-05T00:28:51Z"},{"alias_kind":"arxiv_version","alias_value":"1908.00901v1","created_at":"2026-07-05T00:28:51Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1908.00901","created_at":"2026-07-05T00:28:51Z"},{"alias_kind":"pith_short_12","alias_value":"XRD4MXVUSYXT","created_at":"2026-07-05T00:28:51Z"},{"alias_kind":"pith_short_16","alias_value":"XRD4MXVUSYXT5SJS","created_at":"2026-07-05T00:28:51Z"},{"alias_kind":"pith_short_8","alias_value":"XRD4MXVU","created_at":"2026-07-05T00:28:51Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2019:XRD4MXVUSYXT5SJSJRRJKHH4CP","target":"record","payload":{"canonical_record":{"source":{"id":"1908.00901","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2019-08-02T15:19:24Z","cross_cats_sorted":["cond-mat.mes-hall"],"title_canon_sha256":"d40082b7d0e6d382423ac3387121fb4973f4522264d3453c948167f0ec8c00b2","abstract_canon_sha256":"1ed5aafc4bfe3bd14dadd5a307cefdc66c59603d8b569d43daccbe8d28646da3"},"schema_version":"1.0"},"canonical_sha256":"bc47c65eb4962f3ec9324c62951cfc13dba953028bdda1a11906338eab9ba7c7","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T00:28:51.546480Z","signature_b64":"PHiwb24uHtFmSNg1zaXiiQWU77gHJjd8tyLziLPLMTDBa7vWBrdC6UZWXvof0w4zpDTfBd/oRbB3ssm7RXytDQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"bc47c65eb4962f3ec9324c62951cfc13dba953028bdda1a11906338eab9ba7c7","last_reissued_at":"2026-07-05T00:28:51.545850Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T00:28:51.545850Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1908.00901","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":"2026-07-05T00:28:51Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"OogLqq3lStbdXgr1wUSmqqi6gyZgj/Rn8R2JgGCN7Q5t0Fpp7VYlthrtuINFG/vu7SZ4hhLUv/xhNiwvgLVHBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-16T22:27:04.955614Z"},"content_sha256":"5d748b60c326488c7ee2510df785863fee1c135392c27b3d9066e29f174b8b12","schema_version":"1.0","event_id":"sha256:5d748b60c326488c7ee2510df785863fee1c135392c27b3d9066e29f174b8b12"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2019:XRD4MXVUSYXT5SJSJRRJKHH4CP","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Symmetry-enforced band crossings in trigonal materials: Accordion states and Weyl nodal lines","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.mes-hall"],"primary_cat":"cond-mat.mtrl-sci","authors_text":"Andreas P. Schnyder, Berkay Kilic, Ching-Kai Chiu, Darshan G. Joshi, Leslie M. Schoop, Moritz M. Hirschmann, Y.-H. Chan","submitted_at":"2019-08-02T15:19:24Z","abstract_excerpt":"Nonsymmoprhic symmetries, such as screw rotations or glide reflections, can enforce band crossings within high-symmetry lines or planes of the Brillouin zone. When these band degeneracies are close to the Fermi energy, they can give rise to a number of unusual phenomena: e.g., anomalous magnetoelectric responses, transverse Hall currents, and exotic surface states. In this paper, we present a comprehensive classification of such nonsymmorphic band crossings in trigonal materials with strong spin-orbit coupling. We find that in trigonal systems there are two different types of nonsymmorphic ban"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1908.00901","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/1908.00901/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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":"2026-07-05T00:28:51Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"xdztCV9sDDrUeDXPb1GTCeyrs4exNL623672yjNNKTAzd2pC7nS0GjQ+ZHPr0gyFPz2q3glYNQsP/zqpWVhsAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-16T22:27:04.956173Z"},"content_sha256":"6a029f8be15e66bed8dc20ba911e0c9d5a9035688362b355a654c8105f91c1f3","schema_version":"1.0","event_id":"sha256:6a029f8be15e66bed8dc20ba911e0c9d5a9035688362b355a654c8105f91c1f3"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/XRD4MXVUSYXT5SJSJRRJKHH4CP/bundle.json","state_url":"https://pith.science/pith/XRD4MXVUSYXT5SJSJRRJKHH4CP/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/XRD4MXVUSYXT5SJSJRRJKHH4CP/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":"2026-08-16T22:27:04Z","links":{"resolver":"https://pith.science/pith/XRD4MXVUSYXT5SJSJRRJKHH4CP","bundle":"https://pith.science/pith/XRD4MXVUSYXT5SJSJRRJKHH4CP/bundle.json","state":"https://pith.science/pith/XRD4MXVUSYXT5SJSJRRJKHH4CP/state.json","well_known_bundle":"https://pith.science/.well-known/pith/XRD4MXVUSYXT5SJSJRRJKHH4CP/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2019:XRD4MXVUSYXT5SJSJRRJKHH4CP","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":"1ed5aafc4bfe3bd14dadd5a307cefdc66c59603d8b569d43daccbe8d28646da3","cross_cats_sorted":["cond-mat.mes-hall"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2019-08-02T15:19:24Z","title_canon_sha256":"d40082b7d0e6d382423ac3387121fb4973f4522264d3453c948167f0ec8c00b2"},"schema_version":"1.0","source":{"id":"1908.00901","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1908.00901","created_at":"2026-07-05T00:28:51Z"},{"alias_kind":"arxiv_version","alias_value":"1908.00901v1","created_at":"2026-07-05T00:28:51Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1908.00901","created_at":"2026-07-05T00:28:51Z"},{"alias_kind":"pith_short_12","alias_value":"XRD4MXVUSYXT","created_at":"2026-07-05T00:28:51Z"},{"alias_kind":"pith_short_16","alias_value":"XRD4MXVUSYXT5SJS","created_at":"2026-07-05T00:28:51Z"},{"alias_kind":"pith_short_8","alias_value":"XRD4MXVU","created_at":"2026-07-05T00:28:51Z"}],"graph_snapshots":[{"event_id":"sha256:6a029f8be15e66bed8dc20ba911e0c9d5a9035688362b355a654c8105f91c1f3","target":"graph","created_at":"2026-07-05T00:28:51Z","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"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/1908.00901/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Nonsymmoprhic symmetries, such as screw rotations or glide reflections, can enforce band crossings within high-symmetry lines or planes of the Brillouin zone. When these band degeneracies are close to the Fermi energy, they can give rise to a number of unusual phenomena: e.g., anomalous magnetoelectric responses, transverse Hall currents, and exotic surface states. In this paper, we present a comprehensive classification of such nonsymmorphic band crossings in trigonal materials with strong spin-orbit coupling. We find that in trigonal systems there are two different types of nonsymmorphic ban","authors_text":"Andreas P. Schnyder, Berkay Kilic, Ching-Kai Chiu, Darshan G. Joshi, Leslie M. Schoop, Moritz M. Hirschmann, Y.-H. Chan","cross_cats":["cond-mat.mes-hall"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2019-08-02T15:19:24Z","title":"Symmetry-enforced band crossings in trigonal materials: Accordion states and Weyl nodal lines"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1908.00901","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":"sha256:5d748b60c326488c7ee2510df785863fee1c135392c27b3d9066e29f174b8b12","target":"record","created_at":"2026-07-05T00:28:51Z","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":"1ed5aafc4bfe3bd14dadd5a307cefdc66c59603d8b569d43daccbe8d28646da3","cross_cats_sorted":["cond-mat.mes-hall"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2019-08-02T15:19:24Z","title_canon_sha256":"d40082b7d0e6d382423ac3387121fb4973f4522264d3453c948167f0ec8c00b2"},"schema_version":"1.0","source":{"id":"1908.00901","kind":"arxiv","version":1}},"canonical_sha256":"bc47c65eb4962f3ec9324c62951cfc13dba953028bdda1a11906338eab9ba7c7","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"bc47c65eb4962f3ec9324c62951cfc13dba953028bdda1a11906338eab9ba7c7","first_computed_at":"2026-07-05T00:28:51.545850Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T00:28:51.545850Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"PHiwb24uHtFmSNg1zaXiiQWU77gHJjd8tyLziLPLMTDBa7vWBrdC6UZWXvof0w4zpDTfBd/oRbB3ssm7RXytDQ==","signature_status":"signed_v1","signed_at":"2026-07-05T00:28:51.546480Z","signed_message":"canonical_sha256_bytes"},"source_id":"1908.00901","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:5d748b60c326488c7ee2510df785863fee1c135392c27b3d9066e29f174b8b12","sha256:6a029f8be15e66bed8dc20ba911e0c9d5a9035688362b355a654c8105f91c1f3"],"state_sha256":"269b8322bb9bf10e0eb85415140c815068e99ee9a7e0d3aa7b8fdecb858844bb"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"BSWg8iVqWQGWYxZ9R7MiuSM6lMQLuBWX5pzcEcoRxi0/Urog+Lu1qtIogvh54zsS3AQLxIcfmPsZz33xnAqEAQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-16T22:27:04.960178Z","bundle_sha256":"2dd0e988a05d3992e37577ce89d4c2324f0a6509f1ca2ff0bbfb9a956c47a29a"}}