{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2018:VIZPJITXUIRMU4CIF3XXPP62FR","short_pith_number":"pith:VIZPJITX","canonical_record":{"source":{"id":"1807.01277","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2018-07-03T16:54:24Z","cross_cats_sorted":[],"title_canon_sha256":"dbdea198566151ceea5a1fea3a4bd0a9490ab56b58513f30dbe65b252b058984","abstract_canon_sha256":"6b3666fd5eaa1e73c89af4b97867db0e51487bd258e7a7dbd6d3c5d81f48a8da"},"schema_version":"1.0"},"canonical_sha256":"aa32f4a277a222ca70482eef77bfda2c65ec505c5ae2812902d32cf1f7b18290","source":{"kind":"arxiv","id":"1807.01277","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1807.01277","created_at":"2026-05-17T23:58:38Z"},{"alias_kind":"arxiv_version","alias_value":"1807.01277v1","created_at":"2026-05-17T23:58:38Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1807.01277","created_at":"2026-05-17T23:58:38Z"},{"alias_kind":"pith_short_12","alias_value":"VIZPJITXUIRM","created_at":"2026-05-18T12:32:59Z"},{"alias_kind":"pith_short_16","alias_value":"VIZPJITXUIRMU4CI","created_at":"2026-05-18T12:32:59Z"},{"alias_kind":"pith_short_8","alias_value":"VIZPJITX","created_at":"2026-05-18T12:32:59Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2018:VIZPJITXUIRMU4CIF3XXPP62FR","target":"record","payload":{"canonical_record":{"source":{"id":"1807.01277","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2018-07-03T16:54:24Z","cross_cats_sorted":[],"title_canon_sha256":"dbdea198566151ceea5a1fea3a4bd0a9490ab56b58513f30dbe65b252b058984","abstract_canon_sha256":"6b3666fd5eaa1e73c89af4b97867db0e51487bd258e7a7dbd6d3c5d81f48a8da"},"schema_version":"1.0"},"canonical_sha256":"aa32f4a277a222ca70482eef77bfda2c65ec505c5ae2812902d32cf1f7b18290","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:58:38.647171Z","signature_b64":"6UOdcWq/EnxP1R8dg9R5AQpK7scaZYSe34drYZHAjby7F6iJcA7cUO/AounY0DMQ2pvJgTDhrGLoU8A7pwcrCg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"aa32f4a277a222ca70482eef77bfda2c65ec505c5ae2812902d32cf1f7b18290","last_reissued_at":"2026-05-17T23:58:38.646465Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:58:38.646465Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1807.01277","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":"2026-05-17T23:58:38Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"+3Z7qozpTOX3eVngUobsxQ5yZGuXOOfOI6aLdkCmHtJu9YEOxl8npX7qWSVJe6g0DzaTmD+PStikzAruXJ+oAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-12T08:28:44.447489Z"},"content_sha256":"b68320fedea075d6185f0176cccceb30dd4982ec176726afa0c4bb8edbd73a00","schema_version":"1.0","event_id":"sha256:b68320fedea075d6185f0176cccceb30dd4982ec176726afa0c4bb8edbd73a00"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2018:VIZPJITXUIRMU4CIF3XXPP62FR","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Inversion-symmetry protected chiral hinge states in stacks of doped quantum Hall layers","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mes-hall","authors_text":"Carmine Ortix, Guido van Miert, Sander H. Kooi","submitted_at":"2018-07-03T16:54:24Z","abstract_excerpt":"We prove the existence of higher-order topological insulators with protected chiral hinge modes in quasi-two-dimensional systems made out of coupled layers stacked in an inversion-symmetric manner. In particular, we show that an external magnetic field drives a stack of alternating p- and n-doped buckled honeycomb layers into a higher-order topological phase, characterized by a non-trivial three-dimensional ${\\mathbb Z}_2$ invariant. We identify silicene multilayers as a potential material platform for the experimental detection of this novel topological insulating phase."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1807.01277","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":"2026-05-17T23:58:38Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"L4BnCXT4yLHchTO3dMMgTlW15qQpyTHWHos8DiKaglmsh6uygvElhPMAQ5PktH66MSvEW/54+hCdcb2qTp5xCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-12T08:28:44.447844Z"},"content_sha256":"d0c1273202cf2907e724cb7c9359e150bb5210db6a9868297813a15a211fc780","schema_version":"1.0","event_id":"sha256:d0c1273202cf2907e724cb7c9359e150bb5210db6a9868297813a15a211fc780"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/VIZPJITXUIRMU4CIF3XXPP62FR/bundle.json","state_url":"https://pith.science/pith/VIZPJITXUIRMU4CIF3XXPP62FR/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/VIZPJITXUIRMU4CIF3XXPP62FR/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":"2026-06-12T08:28:44Z","links":{"resolver":"https://pith.science/pith/VIZPJITXUIRMU4CIF3XXPP62FR","bundle":"https://pith.science/pith/VIZPJITXUIRMU4CIF3XXPP62FR/bundle.json","state":"https://pith.science/pith/VIZPJITXUIRMU4CIF3XXPP62FR/state.json","well_known_bundle":"https://pith.science/.well-known/pith/VIZPJITXUIRMU4CIF3XXPP62FR/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:VIZPJITXUIRMU4CIF3XXPP62FR","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":"6b3666fd5eaa1e73c89af4b97867db0e51487bd258e7a7dbd6d3c5d81f48a8da","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2018-07-03T16:54:24Z","title_canon_sha256":"dbdea198566151ceea5a1fea3a4bd0a9490ab56b58513f30dbe65b252b058984"},"schema_version":"1.0","source":{"id":"1807.01277","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1807.01277","created_at":"2026-05-17T23:58:38Z"},{"alias_kind":"arxiv_version","alias_value":"1807.01277v1","created_at":"2026-05-17T23:58:38Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1807.01277","created_at":"2026-05-17T23:58:38Z"},{"alias_kind":"pith_short_12","alias_value":"VIZPJITXUIRM","created_at":"2026-05-18T12:32:59Z"},{"alias_kind":"pith_short_16","alias_value":"VIZPJITXUIRMU4CI","created_at":"2026-05-18T12:32:59Z"},{"alias_kind":"pith_short_8","alias_value":"VIZPJITX","created_at":"2026-05-18T12:32:59Z"}],"graph_snapshots":[{"event_id":"sha256:d0c1273202cf2907e724cb7c9359e150bb5210db6a9868297813a15a211fc780","target":"graph","created_at":"2026-05-17T23:58:38Z","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 prove the existence of higher-order topological insulators with protected chiral hinge modes in quasi-two-dimensional systems made out of coupled layers stacked in an inversion-symmetric manner. In particular, we show that an external magnetic field drives a stack of alternating p- and n-doped buckled honeycomb layers into a higher-order topological phase, characterized by a non-trivial three-dimensional ${\\mathbb Z}_2$ invariant. We identify silicene multilayers as a potential material platform for the experimental detection of this novel topological insulating phase.","authors_text":"Carmine Ortix, Guido van Miert, Sander H. Kooi","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2018-07-03T16:54:24Z","title":"Inversion-symmetry protected chiral hinge states in stacks of doped quantum Hall layers"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1807.01277","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:b68320fedea075d6185f0176cccceb30dd4982ec176726afa0c4bb8edbd73a00","target":"record","created_at":"2026-05-17T23:58:38Z","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":"6b3666fd5eaa1e73c89af4b97867db0e51487bd258e7a7dbd6d3c5d81f48a8da","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2018-07-03T16:54:24Z","title_canon_sha256":"dbdea198566151ceea5a1fea3a4bd0a9490ab56b58513f30dbe65b252b058984"},"schema_version":"1.0","source":{"id":"1807.01277","kind":"arxiv","version":1}},"canonical_sha256":"aa32f4a277a222ca70482eef77bfda2c65ec505c5ae2812902d32cf1f7b18290","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"aa32f4a277a222ca70482eef77bfda2c65ec505c5ae2812902d32cf1f7b18290","first_computed_at":"2026-05-17T23:58:38.646465Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-17T23:58:38.646465Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"6UOdcWq/EnxP1R8dg9R5AQpK7scaZYSe34drYZHAjby7F6iJcA7cUO/AounY0DMQ2pvJgTDhrGLoU8A7pwcrCg==","signature_status":"signed_v1","signed_at":"2026-05-17T23:58:38.647171Z","signed_message":"canonical_sha256_bytes"},"source_id":"1807.01277","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:b68320fedea075d6185f0176cccceb30dd4982ec176726afa0c4bb8edbd73a00","sha256:d0c1273202cf2907e724cb7c9359e150bb5210db6a9868297813a15a211fc780"],"state_sha256":"352c69a54477eef8ff95695e8e15df219f3690ef1d90ad10c56bb2b0f0621a6f"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"CSARokm0Jg50KOC36bNXTIeQwxR3Thz7hvXy1i29CxyON0by7kN1Wma2m9jomgI/wN6QB7vVaRcdQQhIFMjOBQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-12T08:28:44.450071Z","bundle_sha256":"eb1f4dacaf6d22ba7bef1a8056ba0a99f98d508372699cb218d41c6fd1600fb2"}}