{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2013:5VWOA2UZPLA4I7KOEKQV2SR5LW","short_pith_number":"pith:5VWOA2UZ","canonical_record":{"source":{"id":"1305.0121","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2013-05-01T08:29:15Z","cross_cats_sorted":["cond-mat.mes-hall","cond-mat.str-el"],"title_canon_sha256":"bc4d83d6cdbbf5c4a622a18a7d055cdef978e45321d42264e8ad646960eca148","abstract_canon_sha256":"1afee41c8818c3463e794f3d244033af1cb11a9fd1a2b87bc6bf41ffffbbca54"},"schema_version":"1.0"},"canonical_sha256":"ed6ce06a997ac1c47d4e22a15d4a3d5dbea7855ad26f4d63baca2ccfe1d9257b","source":{"kind":"arxiv","id":"1305.0121","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1305.0121","created_at":"2026-05-18T03:26:31Z"},{"alias_kind":"arxiv_version","alias_value":"1305.0121v2","created_at":"2026-05-18T03:26:31Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1305.0121","created_at":"2026-05-18T03:26:31Z"},{"alias_kind":"pith_short_12","alias_value":"5VWOA2UZPLA4","created_at":"2026-05-18T12:27:34Z"},{"alias_kind":"pith_short_16","alias_value":"5VWOA2UZPLA4I7KO","created_at":"2026-05-18T12:27:34Z"},{"alias_kind":"pith_short_8","alias_value":"5VWOA2UZ","created_at":"2026-05-18T12:27:34Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2013:5VWOA2UZPLA4I7KOEKQV2SR5LW","target":"record","payload":{"canonical_record":{"source":{"id":"1305.0121","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2013-05-01T08:29:15Z","cross_cats_sorted":["cond-mat.mes-hall","cond-mat.str-el"],"title_canon_sha256":"bc4d83d6cdbbf5c4a622a18a7d055cdef978e45321d42264e8ad646960eca148","abstract_canon_sha256":"1afee41c8818c3463e794f3d244033af1cb11a9fd1a2b87bc6bf41ffffbbca54"},"schema_version":"1.0"},"canonical_sha256":"ed6ce06a997ac1c47d4e22a15d4a3d5dbea7855ad26f4d63baca2ccfe1d9257b","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:26:31.691508Z","signature_b64":"UtqvPBnBGJUmlHHvdYh0dApMIuklhVyYQxdayYm0RW4r0PXFcXoWrgiB7iN/cygTIJ1yT8pEdLNzSzBBzvvzCw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"ed6ce06a997ac1c47d4e22a15d4a3d5dbea7855ad26f4d63baca2ccfe1d9257b","last_reissued_at":"2026-05-18T03:26:31.691006Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:26:31.691006Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1305.0121","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":"2026-05-18T03:26:31Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"VGNJTHa0l6iuC6QAQD+NzVKZLhA8PCuO8aZeS8rMKmGicvyQkCATA376LOxGuGY7Xu0VbGuTysS+fbgcQ3OMCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-08T10:22:34.139398Z"},"content_sha256":"ce9218a1616973da52ab99083ba4d1eeee66c7a9c5f66db5f315a2d9a20fb659","schema_version":"1.0","event_id":"sha256:ce9218a1616973da52ab99083ba4d1eeee66c7a9c5f66db5f315a2d9a20fb659"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2013:5VWOA2UZPLA4I7KOEKQV2SR5LW","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Electronic Structure of a Two-Dimensional Graphene-Like Topological Insulator, Bi14Rh3I9","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.mes-hall","cond-mat.str-el"],"primary_cat":"cond-mat.mtrl-sci","authors_text":"Lin He, Wen-Yu He, Zhao-Dong Chu","submitted_at":"2013-05-01T08:29:15Z","abstract_excerpt":"Very recently, a new two-dimensional graphene-like topological insulator, Bi14Rh3I9, has been synthesized. The Bi-Rh sheets with a strong spin-orbit interaction are graphene analogues with a honeycomb net composed of RhBi8 cubes. Here we derive the low-energy effective Hamiltonian involving spin-orbit coupling for Bi14Rh3I9. In the absence of spin-orbit coupling, the Bi-Rh sheets show two inequivalent Dirac cones at the corners of the hexagonal Brillouin zone. The spin-orbit interaction opens a 2400 K bandgap at the Dirac points and establishes the quantum spin Hall effect in the Bi-Rh sheets."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1305.0121","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":"2026-05-18T03:26:31Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"cpvW/n3QwQnuTdJNVKxhcwQpP+iQWuIHpWAp/LFOfV/bWPRumQVkqr7DjQa/hyqArTkAZ0rvjIP9DAZGyIwfDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-08T10:22:34.139855Z"},"content_sha256":"874bd4af390c244ddd711ca72a9b73791b53fb9d6a47d9be535a3f845acce182","schema_version":"1.0","event_id":"sha256:874bd4af390c244ddd711ca72a9b73791b53fb9d6a47d9be535a3f845acce182"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/5VWOA2UZPLA4I7KOEKQV2SR5LW/bundle.json","state_url":"https://pith.science/pith/5VWOA2UZPLA4I7KOEKQV2SR5LW/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/5VWOA2UZPLA4I7KOEKQV2SR5LW/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":"2026-06-08T10:22:34Z","links":{"resolver":"https://pith.science/pith/5VWOA2UZPLA4I7KOEKQV2SR5LW","bundle":"https://pith.science/pith/5VWOA2UZPLA4I7KOEKQV2SR5LW/bundle.json","state":"https://pith.science/pith/5VWOA2UZPLA4I7KOEKQV2SR5LW/state.json","well_known_bundle":"https://pith.science/.well-known/pith/5VWOA2UZPLA4I7KOEKQV2SR5LW/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2013:5VWOA2UZPLA4I7KOEKQV2SR5LW","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":"1afee41c8818c3463e794f3d244033af1cb11a9fd1a2b87bc6bf41ffffbbca54","cross_cats_sorted":["cond-mat.mes-hall","cond-mat.str-el"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2013-05-01T08:29:15Z","title_canon_sha256":"bc4d83d6cdbbf5c4a622a18a7d055cdef978e45321d42264e8ad646960eca148"},"schema_version":"1.0","source":{"id":"1305.0121","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1305.0121","created_at":"2026-05-18T03:26:31Z"},{"alias_kind":"arxiv_version","alias_value":"1305.0121v2","created_at":"2026-05-18T03:26:31Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1305.0121","created_at":"2026-05-18T03:26:31Z"},{"alias_kind":"pith_short_12","alias_value":"5VWOA2UZPLA4","created_at":"2026-05-18T12:27:34Z"},{"alias_kind":"pith_short_16","alias_value":"5VWOA2UZPLA4I7KO","created_at":"2026-05-18T12:27:34Z"},{"alias_kind":"pith_short_8","alias_value":"5VWOA2UZ","created_at":"2026-05-18T12:27:34Z"}],"graph_snapshots":[{"event_id":"sha256:874bd4af390c244ddd711ca72a9b73791b53fb9d6a47d9be535a3f845acce182","target":"graph","created_at":"2026-05-18T03:26:31Z","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":"Very recently, a new two-dimensional graphene-like topological insulator, Bi14Rh3I9, has been synthesized. The Bi-Rh sheets with a strong spin-orbit interaction are graphene analogues with a honeycomb net composed of RhBi8 cubes. Here we derive the low-energy effective Hamiltonian involving spin-orbit coupling for Bi14Rh3I9. In the absence of spin-orbit coupling, the Bi-Rh sheets show two inequivalent Dirac cones at the corners of the hexagonal Brillouin zone. The spin-orbit interaction opens a 2400 K bandgap at the Dirac points and establishes the quantum spin Hall effect in the Bi-Rh sheets.","authors_text":"Lin He, Wen-Yu He, Zhao-Dong Chu","cross_cats":["cond-mat.mes-hall","cond-mat.str-el"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2013-05-01T08:29:15Z","title":"Electronic Structure of a Two-Dimensional Graphene-Like Topological Insulator, Bi14Rh3I9"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1305.0121","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:ce9218a1616973da52ab99083ba4d1eeee66c7a9c5f66db5f315a2d9a20fb659","target":"record","created_at":"2026-05-18T03:26:31Z","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":"1afee41c8818c3463e794f3d244033af1cb11a9fd1a2b87bc6bf41ffffbbca54","cross_cats_sorted":["cond-mat.mes-hall","cond-mat.str-el"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2013-05-01T08:29:15Z","title_canon_sha256":"bc4d83d6cdbbf5c4a622a18a7d055cdef978e45321d42264e8ad646960eca148"},"schema_version":"1.0","source":{"id":"1305.0121","kind":"arxiv","version":2}},"canonical_sha256":"ed6ce06a997ac1c47d4e22a15d4a3d5dbea7855ad26f4d63baca2ccfe1d9257b","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"ed6ce06a997ac1c47d4e22a15d4a3d5dbea7855ad26f4d63baca2ccfe1d9257b","first_computed_at":"2026-05-18T03:26:31.691006Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:26:31.691006Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"UtqvPBnBGJUmlHHvdYh0dApMIuklhVyYQxdayYm0RW4r0PXFcXoWrgiB7iN/cygTIJ1yT8pEdLNzSzBBzvvzCw==","signature_status":"signed_v1","signed_at":"2026-05-18T03:26:31.691508Z","signed_message":"canonical_sha256_bytes"},"source_id":"1305.0121","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:ce9218a1616973da52ab99083ba4d1eeee66c7a9c5f66db5f315a2d9a20fb659","sha256:874bd4af390c244ddd711ca72a9b73791b53fb9d6a47d9be535a3f845acce182"],"state_sha256":"e8bffdf4d77c00f2357582e113a3881e3038ea2b24772bb1bea4934772a24985"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"pCjLw+dVfGZlox+hv7MtmfveTyuZjIkI+oo8cO1tua07/uPayIeXgTIQS7yX60yNLmMNn6WE9unzcvnORst9Aw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-08T10:22:34.142048Z","bundle_sha256":"6c771a31f75a7785eaf1c37a55214a29dd710413f47ab61a070e8029e27042b0"}}