{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2024:GLJN7ARVE2ZYRBXUGP3UKNOWYV","short_pith_number":"pith:GLJN7ARV","canonical_record":{"source":{"id":"2408.02176","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2024-08-05T01:12:58Z","cross_cats_sorted":["physics.optics"],"title_canon_sha256":"c8307993925298c4bfb6b0942404d49a33dbd084fa8cb412eeedf1f63f372b05","abstract_canon_sha256":"c8bb86e9bf63c11864f6366a7878ceb8fda4989260fb12cf1a753ef9ae3891cf"},"schema_version":"1.0"},"canonical_sha256":"32d2df823526b38886f433f74535d6c55cdf87cce013d2fe24f5dad2682780cf","source":{"kind":"arxiv","id":"2408.02176","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2408.02176","created_at":"2026-07-05T08:52:08Z"},{"alias_kind":"arxiv_version","alias_value":"2408.02176v1","created_at":"2026-07-05T08:52:08Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2408.02176","created_at":"2026-07-05T08:52:08Z"},{"alias_kind":"pith_short_12","alias_value":"GLJN7ARVE2ZY","created_at":"2026-07-05T08:52:08Z"},{"alias_kind":"pith_short_16","alias_value":"GLJN7ARVE2ZYRBXU","created_at":"2026-07-05T08:52:08Z"},{"alias_kind":"pith_short_8","alias_value":"GLJN7ARV","created_at":"2026-07-05T08:52:08Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2024:GLJN7ARVE2ZYRBXUGP3UKNOWYV","target":"record","payload":{"canonical_record":{"source":{"id":"2408.02176","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2024-08-05T01:12:58Z","cross_cats_sorted":["physics.optics"],"title_canon_sha256":"c8307993925298c4bfb6b0942404d49a33dbd084fa8cb412eeedf1f63f372b05","abstract_canon_sha256":"c8bb86e9bf63c11864f6366a7878ceb8fda4989260fb12cf1a753ef9ae3891cf"},"schema_version":"1.0"},"canonical_sha256":"32d2df823526b38886f433f74535d6c55cdf87cce013d2fe24f5dad2682780cf","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T08:52:08.510127Z","signature_b64":"45Qr8LHqsDZYXPx6ysayz9Am4wL6eWyIWBrQM3k9+xQu9GlQrZkzrWqlhwaqihuKuylZHA72IJ9Bh7ekUV1gBQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"32d2df823526b38886f433f74535d6c55cdf87cce013d2fe24f5dad2682780cf","last_reissued_at":"2026-07-05T08:52:08.509711Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T08:52:08.509711Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2408.02176","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":"2026-07-05T08:52:08Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"8N6/QF7iYd3sQA76FJEXB2eXEW3iFOefK3DstZ8RtLSP+EHO7xM6MJ5IEB3Elfj9jP/ZZTawN2CEcRkK4Q3ODw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-06T13:17:47.025563Z"},"content_sha256":"def64305efef772ce7fed0d2534285f79a5e0938b4e52ebcf841db3d03102716","schema_version":"1.0","event_id":"sha256:def64305efef772ce7fed0d2534285f79a5e0938b4e52ebcf841db3d03102716"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2024:GLJN7ARVE2ZYRBXUGP3UKNOWYV","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Field-Tunable Valley Coupling and Localization in a Dodecagonal Semiconductor Quasicrystal","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["physics.optics"],"primary_cat":"cond-mat.mtrl-sci","authors_text":"Chih-Kang Shih, Dong Seob Kim, Eslam Khalaf, Fan Zhang, Hamza Abudayyeh, Kenji Watanabe, Miles Mackenzie, Qiang Gao, Takashi Taniguchi, Xiaohui Liu, Xiaoqin Li, Yanxing Li, Yue Ni, Zhida Liu","submitted_at":"2024-08-05T01:12:58Z","abstract_excerpt":"Quasicrystals are characterized by atomic arrangements possessing long-range order without periodicity. Van der Waals (vdW) bilayers provide a unique opportunity to controllably vary atomic alignment between two layers from a periodic moir\\'e crystal to an aperiodic quasicrystal. Here, we reveal a remarkable consequence of the unique atomic arrangement in a dodecagonal WSe2 quasicrystal: the K and Q valleys in separate layers are brought arbitrarily close in momentum space via higher-order Umklapp scatterings. A modest perpendicular electric field is sufficient to induce strong interlayer K-Q "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2408.02176","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/2408.02176/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":"2026-07-05T08:52:08Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"eqCL21WeAzirK2B5MWJgEi/xbIMl2Dxmx2VfTy0BXonkTFjRZ9DnRjuIvuhnq+bj8RiLOL3FwIa5Tp5HZfWnDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-06T13:17:47.026203Z"},"content_sha256":"e93b06dd90c0e1d49fc1e200219a8103e918c1fa22995724a4e72d9c7820691b","schema_version":"1.0","event_id":"sha256:e93b06dd90c0e1d49fc1e200219a8103e918c1fa22995724a4e72d9c7820691b"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/GLJN7ARVE2ZYRBXUGP3UKNOWYV/bundle.json","state_url":"https://pith.science/pith/GLJN7ARVE2ZYRBXUGP3UKNOWYV/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/GLJN7ARVE2ZYRBXUGP3UKNOWYV/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":"2026-08-06T13:17:47Z","links":{"resolver":"https://pith.science/pith/GLJN7ARVE2ZYRBXUGP3UKNOWYV","bundle":"https://pith.science/pith/GLJN7ARVE2ZYRBXUGP3UKNOWYV/bundle.json","state":"https://pith.science/pith/GLJN7ARVE2ZYRBXUGP3UKNOWYV/state.json","well_known_bundle":"https://pith.science/.well-known/pith/GLJN7ARVE2ZYRBXUGP3UKNOWYV/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2024:GLJN7ARVE2ZYRBXUGP3UKNOWYV","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":"c8bb86e9bf63c11864f6366a7878ceb8fda4989260fb12cf1a753ef9ae3891cf","cross_cats_sorted":["physics.optics"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2024-08-05T01:12:58Z","title_canon_sha256":"c8307993925298c4bfb6b0942404d49a33dbd084fa8cb412eeedf1f63f372b05"},"schema_version":"1.0","source":{"id":"2408.02176","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2408.02176","created_at":"2026-07-05T08:52:08Z"},{"alias_kind":"arxiv_version","alias_value":"2408.02176v1","created_at":"2026-07-05T08:52:08Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2408.02176","created_at":"2026-07-05T08:52:08Z"},{"alias_kind":"pith_short_12","alias_value":"GLJN7ARVE2ZY","created_at":"2026-07-05T08:52:08Z"},{"alias_kind":"pith_short_16","alias_value":"GLJN7ARVE2ZYRBXU","created_at":"2026-07-05T08:52:08Z"},{"alias_kind":"pith_short_8","alias_value":"GLJN7ARV","created_at":"2026-07-05T08:52:08Z"}],"graph_snapshots":[{"event_id":"sha256:e93b06dd90c0e1d49fc1e200219a8103e918c1fa22995724a4e72d9c7820691b","target":"graph","created_at":"2026-07-05T08:52:08Z","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/2408.02176/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Quasicrystals are characterized by atomic arrangements possessing long-range order without periodicity. Van der Waals (vdW) bilayers provide a unique opportunity to controllably vary atomic alignment between two layers from a periodic moir\\'e crystal to an aperiodic quasicrystal. Here, we reveal a remarkable consequence of the unique atomic arrangement in a dodecagonal WSe2 quasicrystal: the K and Q valleys in separate layers are brought arbitrarily close in momentum space via higher-order Umklapp scatterings. A modest perpendicular electric field is sufficient to induce strong interlayer K-Q ","authors_text":"Chih-Kang Shih, Dong Seob Kim, Eslam Khalaf, Fan Zhang, Hamza Abudayyeh, Kenji Watanabe, Miles Mackenzie, Qiang Gao, Takashi Taniguchi, Xiaohui Liu, Xiaoqin Li, Yanxing Li, Yue Ni, Zhida Liu","cross_cats":["physics.optics"],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2024-08-05T01:12:58Z","title":"Field-Tunable Valley Coupling and Localization in a Dodecagonal Semiconductor Quasicrystal"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2408.02176","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:def64305efef772ce7fed0d2534285f79a5e0938b4e52ebcf841db3d03102716","target":"record","created_at":"2026-07-05T08:52:08Z","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":"c8bb86e9bf63c11864f6366a7878ceb8fda4989260fb12cf1a753ef9ae3891cf","cross_cats_sorted":["physics.optics"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2024-08-05T01:12:58Z","title_canon_sha256":"c8307993925298c4bfb6b0942404d49a33dbd084fa8cb412eeedf1f63f372b05"},"schema_version":"1.0","source":{"id":"2408.02176","kind":"arxiv","version":1}},"canonical_sha256":"32d2df823526b38886f433f74535d6c55cdf87cce013d2fe24f5dad2682780cf","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"32d2df823526b38886f433f74535d6c55cdf87cce013d2fe24f5dad2682780cf","first_computed_at":"2026-07-05T08:52:08.509711Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T08:52:08.509711Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"45Qr8LHqsDZYXPx6ysayz9Am4wL6eWyIWBrQM3k9+xQu9GlQrZkzrWqlhwaqihuKuylZHA72IJ9Bh7ekUV1gBQ==","signature_status":"signed_v1","signed_at":"2026-07-05T08:52:08.510127Z","signed_message":"canonical_sha256_bytes"},"source_id":"2408.02176","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:def64305efef772ce7fed0d2534285f79a5e0938b4e52ebcf841db3d03102716","sha256:e93b06dd90c0e1d49fc1e200219a8103e918c1fa22995724a4e72d9c7820691b"],"state_sha256":"6d73ab9a32c39c5a4ff2127d89a6088fd7faa46d1bbe5f51f8b80aa3b6c62bda"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"SJ/xOPw65TjOuO5iRgJk3WE5a0o28ikEJbjvyHwi+Mdr4EkYb5BWwnujtnAVhiJsecEPdd7RMeCmtOgZ1wU7BQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-06T13:17:47.034221Z","bundle_sha256":"1ef9a30ceb1e1ce9822cc6cfd46678a4854ad225e9b36a67caca6378fb42986e"}}