{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2019:HVIELLYTJUP2G5OBNRTHCETARO","short_pith_number":"pith:HVIELLYT","canonical_record":{"source":{"id":"1906.06071","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2019-06-14T08:16:43Z","cross_cats_sorted":[],"title_canon_sha256":"2e59e0b8d22452cb5fc54e1fc2adcce8db220a1b3f243e02e925622af7d46bb5","abstract_canon_sha256":"3f9b78d1b09c7c5042497dc9d95ba64f28a7407bf9957eca4914eaf986f4d6fa"},"schema_version":"1.0"},"canonical_sha256":"3d5045af134d1fa375c16c667112608b9c98072535aa951ed1e4d93fdd6b2981","source":{"kind":"arxiv","id":"1906.06071","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1906.06071","created_at":"2026-05-17T23:43:19Z"},{"alias_kind":"arxiv_version","alias_value":"1906.06071v1","created_at":"2026-05-17T23:43:19Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1906.06071","created_at":"2026-05-17T23:43:19Z"},{"alias_kind":"pith_short_12","alias_value":"HVIELLYTJUP2","created_at":"2026-05-18T12:33:18Z"},{"alias_kind":"pith_short_16","alias_value":"HVIELLYTJUP2G5OB","created_at":"2026-05-18T12:33:18Z"},{"alias_kind":"pith_short_8","alias_value":"HVIELLYT","created_at":"2026-05-18T12:33:18Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2019:HVIELLYTJUP2G5OBNRTHCETARO","target":"record","payload":{"canonical_record":{"source":{"id":"1906.06071","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2019-06-14T08:16:43Z","cross_cats_sorted":[],"title_canon_sha256":"2e59e0b8d22452cb5fc54e1fc2adcce8db220a1b3f243e02e925622af7d46bb5","abstract_canon_sha256":"3f9b78d1b09c7c5042497dc9d95ba64f28a7407bf9957eca4914eaf986f4d6fa"},"schema_version":"1.0"},"canonical_sha256":"3d5045af134d1fa375c16c667112608b9c98072535aa951ed1e4d93fdd6b2981","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:43:19.820219Z","signature_b64":"h+8ToK28s+icqdhvZJAKXGO+adgzhnVB1/hfQP2WJ3r/tE4umZRAtbl51x0qVKwF4jWPMghvX+7fYwneZAtYAg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"3d5045af134d1fa375c16c667112608b9c98072535aa951ed1e4d93fdd6b2981","last_reissued_at":"2026-05-17T23:43:19.819687Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:43:19.819687Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1906.06071","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":"2026-05-17T23:43:19Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"pvp+NbhEoilrSk70qA8CrsXwBQAww9DyKcu9NF0LXx4L/9YPuY8f9WLZDxE1cRrjcXqGjZF2nWSykaqo7OYRDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-20T11:50:56.083922Z"},"content_sha256":"157b4a178c5fa2180ec9bd16aebe13d7b06889518a0edee8b2b2605cad630fcb","schema_version":"1.0","event_id":"sha256:157b4a178c5fa2180ec9bd16aebe13d7b06889518a0edee8b2b2605cad630fcb"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2019:HVIELLYTJUP2G5OBNRTHCETARO","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Evidence for Weyl fermions in the elemental semiconductor tellurium","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mtrl-sci","authors_text":"Changgan Zeng, Gan Zhao, Hui Li, Jiaqing He, Lin Li, Lin Xie, Nan Zhang, Pengdong Wang, Zhengfei Wang, Zhenyu Zhang, Zhe Sun, Zhiyong Lin","submitted_at":"2019-06-14T08:16:43Z","abstract_excerpt":"The recent discovery of Weyl fermions in solids enables exploitation of relativistic physics and development of a spectrum of intriguing physical phenomena. They are constituted of pairs of Weyl points with two-fold band degeneracy, which in principle can be hosted in any materials without inversion or time-reversal symmetry. However, previous studies of Weyl fermions have been limited exclusively to semimetals. Here, by combining magneto-transport measurements, angle-resolved photoemission spectroscopy, and band structure calculations, Weyl fermions are identified in an elemental semiconducto"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1906.06071","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":"2026-05-17T23:43:19Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"9OrDIUkXuGzWgeQ0RlwcVaKGz22Zm/bd9uoiuO10nHvEUfSdCmUMEKp7ClD8+1AszijpHGnsnIH5PykMSNrNCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-20T11:50:56.084272Z"},"content_sha256":"2ee50e280127d255674edaf85079ba6b2294399645d36ab5b0ac539362170b43","schema_version":"1.0","event_id":"sha256:2ee50e280127d255674edaf85079ba6b2294399645d36ab5b0ac539362170b43"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/HVIELLYTJUP2G5OBNRTHCETARO/bundle.json","state_url":"https://pith.science/pith/HVIELLYTJUP2G5OBNRTHCETARO/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/HVIELLYTJUP2G5OBNRTHCETARO/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":"2026-05-20T11:50:56Z","links":{"resolver":"https://pith.science/pith/HVIELLYTJUP2G5OBNRTHCETARO","bundle":"https://pith.science/pith/HVIELLYTJUP2G5OBNRTHCETARO/bundle.json","state":"https://pith.science/pith/HVIELLYTJUP2G5OBNRTHCETARO/state.json","well_known_bundle":"https://pith.science/.well-known/pith/HVIELLYTJUP2G5OBNRTHCETARO/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2019:HVIELLYTJUP2G5OBNRTHCETARO","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":"3f9b78d1b09c7c5042497dc9d95ba64f28a7407bf9957eca4914eaf986f4d6fa","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2019-06-14T08:16:43Z","title_canon_sha256":"2e59e0b8d22452cb5fc54e1fc2adcce8db220a1b3f243e02e925622af7d46bb5"},"schema_version":"1.0","source":{"id":"1906.06071","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1906.06071","created_at":"2026-05-17T23:43:19Z"},{"alias_kind":"arxiv_version","alias_value":"1906.06071v1","created_at":"2026-05-17T23:43:19Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1906.06071","created_at":"2026-05-17T23:43:19Z"},{"alias_kind":"pith_short_12","alias_value":"HVIELLYTJUP2","created_at":"2026-05-18T12:33:18Z"},{"alias_kind":"pith_short_16","alias_value":"HVIELLYTJUP2G5OB","created_at":"2026-05-18T12:33:18Z"},{"alias_kind":"pith_short_8","alias_value":"HVIELLYT","created_at":"2026-05-18T12:33:18Z"}],"graph_snapshots":[{"event_id":"sha256:2ee50e280127d255674edaf85079ba6b2294399645d36ab5b0ac539362170b43","target":"graph","created_at":"2026-05-17T23:43:19Z","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 recent discovery of Weyl fermions in solids enables exploitation of relativistic physics and development of a spectrum of intriguing physical phenomena. They are constituted of pairs of Weyl points with two-fold band degeneracy, which in principle can be hosted in any materials without inversion or time-reversal symmetry. However, previous studies of Weyl fermions have been limited exclusively to semimetals. Here, by combining magneto-transport measurements, angle-resolved photoemission spectroscopy, and band structure calculations, Weyl fermions are identified in an elemental semiconducto","authors_text":"Changgan Zeng, Gan Zhao, Hui Li, Jiaqing He, Lin Li, Lin Xie, Nan Zhang, Pengdong Wang, Zhengfei Wang, Zhenyu Zhang, Zhe Sun, Zhiyong Lin","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2019-06-14T08:16:43Z","title":"Evidence for Weyl fermions in the elemental semiconductor tellurium"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1906.06071","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":"sha256:157b4a178c5fa2180ec9bd16aebe13d7b06889518a0edee8b2b2605cad630fcb","target":"record","created_at":"2026-05-17T23:43:19Z","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":"3f9b78d1b09c7c5042497dc9d95ba64f28a7407bf9957eca4914eaf986f4d6fa","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2019-06-14T08:16:43Z","title_canon_sha256":"2e59e0b8d22452cb5fc54e1fc2adcce8db220a1b3f243e02e925622af7d46bb5"},"schema_version":"1.0","source":{"id":"1906.06071","kind":"arxiv","version":1}},"canonical_sha256":"3d5045af134d1fa375c16c667112608b9c98072535aa951ed1e4d93fdd6b2981","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"3d5045af134d1fa375c16c667112608b9c98072535aa951ed1e4d93fdd6b2981","first_computed_at":"2026-05-17T23:43:19.819687Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-17T23:43:19.819687Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"h+8ToK28s+icqdhvZJAKXGO+adgzhnVB1/hfQP2WJ3r/tE4umZRAtbl51x0qVKwF4jWPMghvX+7fYwneZAtYAg==","signature_status":"signed_v1","signed_at":"2026-05-17T23:43:19.820219Z","signed_message":"canonical_sha256_bytes"},"source_id":"1906.06071","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:157b4a178c5fa2180ec9bd16aebe13d7b06889518a0edee8b2b2605cad630fcb","sha256:2ee50e280127d255674edaf85079ba6b2294399645d36ab5b0ac539362170b43"],"state_sha256":"a1b81cd2cbe2e4b1c7716467d1961c0ee3db30c57e4294d3d2beebf63b78fb65"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"whUrAMzabwPQP0GxInl/q3bVt8aDebpipeWf0I6FLHTRuosn22SZ4cVb09wVEIgAE1qpP3Dz1NSIY/nB9xrbBw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-20T11:50:56.086182Z","bundle_sha256":"89f1f079166ed0b77dd2cdc8b5fd1b5878a11e3ddb7c9dfd77f646ff20ad1e84"}}