{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2018:DG4HGD27X4ZV6GLTVTITGCTJN6","short_pith_number":"pith:DG4HGD27","canonical_record":{"source":{"id":"1807.09006","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2018-07-24T10:09:55Z","cross_cats_sorted":["cond-mat.mes-hall"],"title_canon_sha256":"15d89a931fa12e4169ba26749abf5304d55133b7831c76eccee82c120e6f96f1","abstract_canon_sha256":"5e2f6c026474c0d36652dfac68586973cf0bba54352168038bae1435bdd451ce"},"schema_version":"1.0"},"canonical_sha256":"19b8730f5fbf335f1973acd1330a696f9b95493cfbe5a43b45a7038f06f012d1","source":{"kind":"arxiv","id":"1807.09006","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1807.09006","created_at":"2026-05-17T23:55:12Z"},{"alias_kind":"arxiv_version","alias_value":"1807.09006v2","created_at":"2026-05-17T23:55:12Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1807.09006","created_at":"2026-05-17T23:55:12Z"},{"alias_kind":"pith_short_12","alias_value":"DG4HGD27X4ZV","created_at":"2026-05-18T12:32:19Z"},{"alias_kind":"pith_short_16","alias_value":"DG4HGD27X4ZV6GLT","created_at":"2026-05-18T12:32:19Z"},{"alias_kind":"pith_short_8","alias_value":"DG4HGD27","created_at":"2026-05-18T12:32:19Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2018:DG4HGD27X4ZV6GLTVTITGCTJN6","target":"record","payload":{"canonical_record":{"source":{"id":"1807.09006","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2018-07-24T10:09:55Z","cross_cats_sorted":["cond-mat.mes-hall"],"title_canon_sha256":"15d89a931fa12e4169ba26749abf5304d55133b7831c76eccee82c120e6f96f1","abstract_canon_sha256":"5e2f6c026474c0d36652dfac68586973cf0bba54352168038bae1435bdd451ce"},"schema_version":"1.0"},"canonical_sha256":"19b8730f5fbf335f1973acd1330a696f9b95493cfbe5a43b45a7038f06f012d1","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:55:12.298851Z","signature_b64":"GiiB/qGsBMI4ZZOxdz1yfARkh0UTYLX+e14iAMKVgFy+VoCqaXBSaQWdJU6taoPl88euzqcrylDVEaUEA7fqAg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"19b8730f5fbf335f1973acd1330a696f9b95493cfbe5a43b45a7038f06f012d1","last_reissued_at":"2026-05-17T23:55:12.298432Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:55:12.298432Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1807.09006","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":"2026-05-17T23:55:12Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"smQw0W+YeSKYAG/iUIhuJVXA9rFiKKhhCzYTCs5ndd72D2pAD1RgGVIOO44V2OQREwh6m3bDYMZHDMuXfX5YCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T05:12:25.898804Z"},"content_sha256":"461c818caea8995e478b922a1a7a0308e9a277c8771cba1593a2de0a512a936f","schema_version":"1.0","event_id":"sha256:461c818caea8995e478b922a1a7a0308e9a277c8771cba1593a2de0a512a936f"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2018:DG4HGD27X4ZV6GLTVTITGCTJN6","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Towards Topological Quasi-Freestanding Stanene via Substrate Engineering","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.mes-hall"],"primary_cat":"cond-mat.mtrl-sci","authors_text":"Domenico Di Sante, Giorgio Sangiovanni, J\\\"org Sch\\\"afer, Marius Will, Maximilian Bauernfeind, Philipp Eck, Ralph Claessen, Ronny Thomale","submitted_at":"2018-07-24T10:09:55Z","abstract_excerpt":"In search for a new generation of spintronics hardware, material candidates for room temperature quantum spin Hall effect (QSHE) have become a contemporary focus of investigation. Inspired by the original proposal for QSHE in graphene, several heterostructures have been synthesized, aiming at a hexagonal monolayer of heavier group IV elements in order to promote the QSHE bulk gap via increased spin-orbit coupling. So far, however, the monolayer/substrate coupling, which can manifest itself in strain, deformation, and hybridization, has proven to be detrimental to the aspired QSHE conditions fo"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1807.09006","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":"2026-05-17T23:55:12Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"K+fMxI+KxSHHyfND2DPN594LbKhSJBFl4R6d7b5CqdFLe4JxKotjFmrKo1iEFqT3yDvyu+h5Pbw5ly/EScAeDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T05:12:25.899504Z"},"content_sha256":"a48dae05b71f955d160a6419593d082634ce7b63399c79865997489d930b3cf0","schema_version":"1.0","event_id":"sha256:a48dae05b71f955d160a6419593d082634ce7b63399c79865997489d930b3cf0"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/DG4HGD27X4ZV6GLTVTITGCTJN6/bundle.json","state_url":"https://pith.science/pith/DG4HGD27X4ZV6GLTVTITGCTJN6/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/DG4HGD27X4ZV6GLTVTITGCTJN6/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":"2026-05-26T05:12:25Z","links":{"resolver":"https://pith.science/pith/DG4HGD27X4ZV6GLTVTITGCTJN6","bundle":"https://pith.science/pith/DG4HGD27X4ZV6GLTVTITGCTJN6/bundle.json","state":"https://pith.science/pith/DG4HGD27X4ZV6GLTVTITGCTJN6/state.json","well_known_bundle":"https://pith.science/.well-known/pith/DG4HGD27X4ZV6GLTVTITGCTJN6/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:DG4HGD27X4ZV6GLTVTITGCTJN6","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":"5e2f6c026474c0d36652dfac68586973cf0bba54352168038bae1435bdd451ce","cross_cats_sorted":["cond-mat.mes-hall"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2018-07-24T10:09:55Z","title_canon_sha256":"15d89a931fa12e4169ba26749abf5304d55133b7831c76eccee82c120e6f96f1"},"schema_version":"1.0","source":{"id":"1807.09006","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1807.09006","created_at":"2026-05-17T23:55:12Z"},{"alias_kind":"arxiv_version","alias_value":"1807.09006v2","created_at":"2026-05-17T23:55:12Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1807.09006","created_at":"2026-05-17T23:55:12Z"},{"alias_kind":"pith_short_12","alias_value":"DG4HGD27X4ZV","created_at":"2026-05-18T12:32:19Z"},{"alias_kind":"pith_short_16","alias_value":"DG4HGD27X4ZV6GLT","created_at":"2026-05-18T12:32:19Z"},{"alias_kind":"pith_short_8","alias_value":"DG4HGD27","created_at":"2026-05-18T12:32:19Z"}],"graph_snapshots":[{"event_id":"sha256:a48dae05b71f955d160a6419593d082634ce7b63399c79865997489d930b3cf0","target":"graph","created_at":"2026-05-17T23:55:12Z","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":"In search for a new generation of spintronics hardware, material candidates for room temperature quantum spin Hall effect (QSHE) have become a contemporary focus of investigation. Inspired by the original proposal for QSHE in graphene, several heterostructures have been synthesized, aiming at a hexagonal monolayer of heavier group IV elements in order to promote the QSHE bulk gap via increased spin-orbit coupling. So far, however, the monolayer/substrate coupling, which can manifest itself in strain, deformation, and hybridization, has proven to be detrimental to the aspired QSHE conditions fo","authors_text":"Domenico Di Sante, Giorgio Sangiovanni, J\\\"org Sch\\\"afer, Marius Will, Maximilian Bauernfeind, Philipp Eck, Ralph Claessen, Ronny Thomale","cross_cats":["cond-mat.mes-hall"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2018-07-24T10:09:55Z","title":"Towards Topological Quasi-Freestanding Stanene via Substrate Engineering"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1807.09006","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":"sha256:461c818caea8995e478b922a1a7a0308e9a277c8771cba1593a2de0a512a936f","target":"record","created_at":"2026-05-17T23:55:12Z","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":"5e2f6c026474c0d36652dfac68586973cf0bba54352168038bae1435bdd451ce","cross_cats_sorted":["cond-mat.mes-hall"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2018-07-24T10:09:55Z","title_canon_sha256":"15d89a931fa12e4169ba26749abf5304d55133b7831c76eccee82c120e6f96f1"},"schema_version":"1.0","source":{"id":"1807.09006","kind":"arxiv","version":2}},"canonical_sha256":"19b8730f5fbf335f1973acd1330a696f9b95493cfbe5a43b45a7038f06f012d1","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"19b8730f5fbf335f1973acd1330a696f9b95493cfbe5a43b45a7038f06f012d1","first_computed_at":"2026-05-17T23:55:12.298432Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-17T23:55:12.298432Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"GiiB/qGsBMI4ZZOxdz1yfARkh0UTYLX+e14iAMKVgFy+VoCqaXBSaQWdJU6taoPl88euzqcrylDVEaUEA7fqAg==","signature_status":"signed_v1","signed_at":"2026-05-17T23:55:12.298851Z","signed_message":"canonical_sha256_bytes"},"source_id":"1807.09006","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:461c818caea8995e478b922a1a7a0308e9a277c8771cba1593a2de0a512a936f","sha256:a48dae05b71f955d160a6419593d082634ce7b63399c79865997489d930b3cf0"],"state_sha256":"17e9a3caf5e35ec33b0a3c39107508212b2ed2a401c44ac4267e4484f26b88f3"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"xLBRjJY5Rxx8/UhVlFzr2IlsYig7K/wgkpsw0JOrbtZ0gAoGhSSkkUSmF8LHNLEHn8zsrjE888E8R8mKZiDgCA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-26T05:12:25.903206Z","bundle_sha256":"354a5a656002349fc5480c63844c7112249702b379416013176d0f159f251d91"}}