{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2014:LWAFOUXK7ZD2EMZNCIZSKN7KRM","short_pith_number":"pith:LWAFOUXK","canonical_record":{"source":{"id":"1407.1929","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2014-07-08T02:15:42Z","cross_cats_sorted":[],"title_canon_sha256":"9582bb50f70e49bdae96e988ee460a4681c7702cedf746313ac065786792e3e6","abstract_canon_sha256":"d32147fb1d7f83e7fc02d7f70936af25dbafed24526dce1cfa6e90f264ff7141"},"schema_version":"1.0"},"canonical_sha256":"5d805752eafe47a2332d12332537ea8b365528cc79be77434dae3d7ade80c93d","source":{"kind":"arxiv","id":"1407.1929","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1407.1929","created_at":"2026-05-18T02:41:25Z"},{"alias_kind":"arxiv_version","alias_value":"1407.1929v1","created_at":"2026-05-18T02:41:25Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1407.1929","created_at":"2026-05-18T02:41:25Z"},{"alias_kind":"pith_short_12","alias_value":"LWAFOUXK7ZD2","created_at":"2026-05-18T12:28:38Z"},{"alias_kind":"pith_short_16","alias_value":"LWAFOUXK7ZD2EMZN","created_at":"2026-05-18T12:28:38Z"},{"alias_kind":"pith_short_8","alias_value":"LWAFOUXK","created_at":"2026-05-18T12:28:38Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2014:LWAFOUXK7ZD2EMZNCIZSKN7KRM","target":"record","payload":{"canonical_record":{"source":{"id":"1407.1929","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2014-07-08T02:15:42Z","cross_cats_sorted":[],"title_canon_sha256":"9582bb50f70e49bdae96e988ee460a4681c7702cedf746313ac065786792e3e6","abstract_canon_sha256":"d32147fb1d7f83e7fc02d7f70936af25dbafed24526dce1cfa6e90f264ff7141"},"schema_version":"1.0"},"canonical_sha256":"5d805752eafe47a2332d12332537ea8b365528cc79be77434dae3d7ade80c93d","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:41:25.856221Z","signature_b64":"tSmNQD4ynu+7wkaJhXpncD497UY6B44EgWe+TleEK5bX8WKvM1U1DmYDdQk9vcZwmr/PpilJEfv8NoGMTf7CAw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"5d805752eafe47a2332d12332537ea8b365528cc79be77434dae3d7ade80c93d","last_reissued_at":"2026-05-18T02:41:25.855721Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:41:25.855721Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1407.1929","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":"2026-05-18T02:41:25Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ibcRlqYjrmHvBPRE7qi5/A0wb7P2Ssrqa5wI1gVgCaESTnpkQ1SP0KFSg/DAuJ8TMGNmNxzA/ON22GkocHKNBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T23:37:56.673185Z"},"content_sha256":"4483cebb69f8b5355e48c77d05534b358ff6a7f13df50d7c3cacc4f8ba4bbfba","schema_version":"1.0","event_id":"sha256:4483cebb69f8b5355e48c77d05534b358ff6a7f13df50d7c3cacc4f8ba4bbfba"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2014:LWAFOUXK7ZD2EMZNCIZSKN7KRM","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Stable two-dimensional dumbbell stanene: a quantum spin Hall insulator","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mes-hall","authors_text":"Angel Rubio, Huaqing Huang, Lede Xian, Peizhe Tang, Pengcheng Chen, Seymur Cahangirov, Shou-Cheng Zhang, Wendong Cao, Wenhui Duan, Yong Xu","submitted_at":"2014-07-08T02:15:42Z","abstract_excerpt":"We predict from first-principles calculations a novel structure of stanene with dumbbell units (DB), and show that it is a two-dimensional topological insulator with inverted band gap which can be tuned by compressive strain. Furthermore, we propose that the boron nitride sheet and reconstructed ($2\\times2$) InSb(111) surfaces are ideal substrates for the experimental realization of DB stanene, maintaining its non-trivial topology. Combined with standard semiconductor technologies, such as magnetic doping and electrical gating, the quantum anomalous Hall effect, Chern half metallicity and topo"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1407.1929","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":"2026-05-18T02:41:25Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"WXZ/SdWzCjaDPsl5sKNWh7/NDYt0PPY+WgXoxLtJPo3g1t/PZq5LI5ZJCnIXESP/S/zfYH20un8Svj89VSLWDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T23:37:56.673868Z"},"content_sha256":"3b37595e83d7180c4f9437ed0de90dac099652be251748331d729a71a4a4c676","schema_version":"1.0","event_id":"sha256:3b37595e83d7180c4f9437ed0de90dac099652be251748331d729a71a4a4c676"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/LWAFOUXK7ZD2EMZNCIZSKN7KRM/bundle.json","state_url":"https://pith.science/pith/LWAFOUXK7ZD2EMZNCIZSKN7KRM/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/LWAFOUXK7ZD2EMZNCIZSKN7KRM/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":"2026-05-28T23:37:56Z","links":{"resolver":"https://pith.science/pith/LWAFOUXK7ZD2EMZNCIZSKN7KRM","bundle":"https://pith.science/pith/LWAFOUXK7ZD2EMZNCIZSKN7KRM/bundle.json","state":"https://pith.science/pith/LWAFOUXK7ZD2EMZNCIZSKN7KRM/state.json","well_known_bundle":"https://pith.science/.well-known/pith/LWAFOUXK7ZD2EMZNCIZSKN7KRM/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2014:LWAFOUXK7ZD2EMZNCIZSKN7KRM","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":"d32147fb1d7f83e7fc02d7f70936af25dbafed24526dce1cfa6e90f264ff7141","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2014-07-08T02:15:42Z","title_canon_sha256":"9582bb50f70e49bdae96e988ee460a4681c7702cedf746313ac065786792e3e6"},"schema_version":"1.0","source":{"id":"1407.1929","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1407.1929","created_at":"2026-05-18T02:41:25Z"},{"alias_kind":"arxiv_version","alias_value":"1407.1929v1","created_at":"2026-05-18T02:41:25Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1407.1929","created_at":"2026-05-18T02:41:25Z"},{"alias_kind":"pith_short_12","alias_value":"LWAFOUXK7ZD2","created_at":"2026-05-18T12:28:38Z"},{"alias_kind":"pith_short_16","alias_value":"LWAFOUXK7ZD2EMZN","created_at":"2026-05-18T12:28:38Z"},{"alias_kind":"pith_short_8","alias_value":"LWAFOUXK","created_at":"2026-05-18T12:28:38Z"}],"graph_snapshots":[{"event_id":"sha256:3b37595e83d7180c4f9437ed0de90dac099652be251748331d729a71a4a4c676","target":"graph","created_at":"2026-05-18T02:41:25Z","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 predict from first-principles calculations a novel structure of stanene with dumbbell units (DB), and show that it is a two-dimensional topological insulator with inverted band gap which can be tuned by compressive strain. Furthermore, we propose that the boron nitride sheet and reconstructed ($2\\times2$) InSb(111) surfaces are ideal substrates for the experimental realization of DB stanene, maintaining its non-trivial topology. Combined with standard semiconductor technologies, such as magnetic doping and electrical gating, the quantum anomalous Hall effect, Chern half metallicity and topo","authors_text":"Angel Rubio, Huaqing Huang, Lede Xian, Peizhe Tang, Pengcheng Chen, Seymur Cahangirov, Shou-Cheng Zhang, Wendong Cao, Wenhui Duan, Yong Xu","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2014-07-08T02:15:42Z","title":"Stable two-dimensional dumbbell stanene: a quantum spin Hall insulator"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1407.1929","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":"sha256:4483cebb69f8b5355e48c77d05534b358ff6a7f13df50d7c3cacc4f8ba4bbfba","target":"record","created_at":"2026-05-18T02:41:25Z","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":"d32147fb1d7f83e7fc02d7f70936af25dbafed24526dce1cfa6e90f264ff7141","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2014-07-08T02:15:42Z","title_canon_sha256":"9582bb50f70e49bdae96e988ee460a4681c7702cedf746313ac065786792e3e6"},"schema_version":"1.0","source":{"id":"1407.1929","kind":"arxiv","version":1}},"canonical_sha256":"5d805752eafe47a2332d12332537ea8b365528cc79be77434dae3d7ade80c93d","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"5d805752eafe47a2332d12332537ea8b365528cc79be77434dae3d7ade80c93d","first_computed_at":"2026-05-18T02:41:25.855721Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:41:25.855721Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"tSmNQD4ynu+7wkaJhXpncD497UY6B44EgWe+TleEK5bX8WKvM1U1DmYDdQk9vcZwmr/PpilJEfv8NoGMTf7CAw==","signature_status":"signed_v1","signed_at":"2026-05-18T02:41:25.856221Z","signed_message":"canonical_sha256_bytes"},"source_id":"1407.1929","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:4483cebb69f8b5355e48c77d05534b358ff6a7f13df50d7c3cacc4f8ba4bbfba","sha256:3b37595e83d7180c4f9437ed0de90dac099652be251748331d729a71a4a4c676"],"state_sha256":"fbd1e4c026d1e3c4f5e34b8793e63c76b62578839f663b2e5e8f1e4523dbaa4f"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"uEFP3pGpcvC76Wt5iuiKhVOfrBy+8X5/+0aqL7L5uGhopnzecOgGngBw/9tFAAKzDqSRzOXVD8RTiiiZ5PHrDg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-28T23:37:56.677269Z","bundle_sha256":"b75f986f64f852383b2bbcdbfe582ab42e76b35d92f3619cf3f616c780121d76"}}