{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2012:VGC2ERXKKTZG22VEIAATNQVK5O","short_pith_number":"pith:VGC2ERXK","canonical_record":{"source":{"id":"1205.3737","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2012-05-16T17:15:53Z","cross_cats_sorted":[],"title_canon_sha256":"a4e3de5ddcfd0eb6a40f2319aedd047ca2b396077d9bc53f533d3b2b034e84ad","abstract_canon_sha256":"0b76eed6b80d60c196b1be95117bf55a8a8d6d1c3c05b2e34abe10f75dbdf1f8"},"schema_version":"1.0"},"canonical_sha256":"a985a246ea54f26d6aa4400136c2aaeb82033b7b74bf272b89566656b7080ff3","source":{"kind":"arxiv","id":"1205.3737","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1205.3737","created_at":"2026-05-18T03:45:10Z"},{"alias_kind":"arxiv_version","alias_value":"1205.3737v1","created_at":"2026-05-18T03:45:10Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1205.3737","created_at":"2026-05-18T03:45:10Z"},{"alias_kind":"pith_short_12","alias_value":"VGC2ERXKKTZG","created_at":"2026-05-18T12:27:25Z"},{"alias_kind":"pith_short_16","alias_value":"VGC2ERXKKTZG22VE","created_at":"2026-05-18T12:27:25Z"},{"alias_kind":"pith_short_8","alias_value":"VGC2ERXK","created_at":"2026-05-18T12:27:25Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2012:VGC2ERXKKTZG22VEIAATNQVK5O","target":"record","payload":{"canonical_record":{"source":{"id":"1205.3737","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2012-05-16T17:15:53Z","cross_cats_sorted":[],"title_canon_sha256":"a4e3de5ddcfd0eb6a40f2319aedd047ca2b396077d9bc53f533d3b2b034e84ad","abstract_canon_sha256":"0b76eed6b80d60c196b1be95117bf55a8a8d6d1c3c05b2e34abe10f75dbdf1f8"},"schema_version":"1.0"},"canonical_sha256":"a985a246ea54f26d6aa4400136c2aaeb82033b7b74bf272b89566656b7080ff3","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:45:10.534979Z","signature_b64":"U3oL2TGyu+XDhF9Ak2kBI8HO2XxicKZGSPFOewp1I3LWgB3tL/GMU9mpyWQuiqII4v+HAtnZ2jJxy+Q3POGTAA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"a985a246ea54f26d6aa4400136c2aaeb82033b7b74bf272b89566656b7080ff3","last_reissued_at":"2026-05-18T03:45:10.534505Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:45:10.534505Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1205.3737","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":"2026-05-18T03:45:10Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"5vliaQIZ7SICjfUdCnM5b3ShFpmeNLFBPTDNBwONbf4Mr2UcI1T6IRN/8eJ/1VLCBDCbDC7itl2qZtLSodlyDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-20T12:42:43.097913Z"},"content_sha256":"ff0906f2c74c6094f7324aad7c9d519ae55e29a958a544b08d56d3153cb5cbc6","schema_version":"1.0","event_id":"sha256:ff0906f2c74c6094f7324aad7c9d519ae55e29a958a544b08d56d3153cb5cbc6"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2012:VGC2ERXKKTZG22VEIAATNQVK5O","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"In-gap impurity states as the hallmark of the Quantum Spin Hall phase","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mes-hall","authors_text":"J. Fern\\'andez-Rossier, J. W. Gonz\\'alez","submitted_at":"2012-05-16T17:15:53Z","abstract_excerpt":"We study the different response to an impurity of the two topologically different phases shown by a two dimensional insulator with time reversal symmetry, namely, the Quantum Spin Hall and the normal phase. We consider the case of graphene as a toy model that features the two phases driven, respectively, by intrinsic spin-orbit coupling and inversion symmetry breaking. We find that strictly normalizable in-gap impurity states only occur in the Quantum Spin Hall phase and carry dissipationless current whose quirality is determined by the spin and pseudospin of the residing electron. Our results"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1205.3737","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":"2026-05-18T03:45:10Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"5CEe5eWqHDDW0P0XXVpy40EGHXwALyeKo8Y1cNYQ15aX+yU3R1k+rPHFJhkl/zqSC3nEKXJKuIlAjLk3IypuAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-20T12:42:43.098246Z"},"content_sha256":"c1deafc05b7a293c149dd9478fc756c5573f91053ef01e32bfd370ef9f8f467e","schema_version":"1.0","event_id":"sha256:c1deafc05b7a293c149dd9478fc756c5573f91053ef01e32bfd370ef9f8f467e"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/VGC2ERXKKTZG22VEIAATNQVK5O/bundle.json","state_url":"https://pith.science/pith/VGC2ERXKKTZG22VEIAATNQVK5O/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/VGC2ERXKKTZG22VEIAATNQVK5O/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":"2026-06-20T12:42:43Z","links":{"resolver":"https://pith.science/pith/VGC2ERXKKTZG22VEIAATNQVK5O","bundle":"https://pith.science/pith/VGC2ERXKKTZG22VEIAATNQVK5O/bundle.json","state":"https://pith.science/pith/VGC2ERXKKTZG22VEIAATNQVK5O/state.json","well_known_bundle":"https://pith.science/.well-known/pith/VGC2ERXKKTZG22VEIAATNQVK5O/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2012:VGC2ERXKKTZG22VEIAATNQVK5O","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":"0b76eed6b80d60c196b1be95117bf55a8a8d6d1c3c05b2e34abe10f75dbdf1f8","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2012-05-16T17:15:53Z","title_canon_sha256":"a4e3de5ddcfd0eb6a40f2319aedd047ca2b396077d9bc53f533d3b2b034e84ad"},"schema_version":"1.0","source":{"id":"1205.3737","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1205.3737","created_at":"2026-05-18T03:45:10Z"},{"alias_kind":"arxiv_version","alias_value":"1205.3737v1","created_at":"2026-05-18T03:45:10Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1205.3737","created_at":"2026-05-18T03:45:10Z"},{"alias_kind":"pith_short_12","alias_value":"VGC2ERXKKTZG","created_at":"2026-05-18T12:27:25Z"},{"alias_kind":"pith_short_16","alias_value":"VGC2ERXKKTZG22VE","created_at":"2026-05-18T12:27:25Z"},{"alias_kind":"pith_short_8","alias_value":"VGC2ERXK","created_at":"2026-05-18T12:27:25Z"}],"graph_snapshots":[{"event_id":"sha256:c1deafc05b7a293c149dd9478fc756c5573f91053ef01e32bfd370ef9f8f467e","target":"graph","created_at":"2026-05-18T03:45:10Z","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 study the different response to an impurity of the two topologically different phases shown by a two dimensional insulator with time reversal symmetry, namely, the Quantum Spin Hall and the normal phase. We consider the case of graphene as a toy model that features the two phases driven, respectively, by intrinsic spin-orbit coupling and inversion symmetry breaking. We find that strictly normalizable in-gap impurity states only occur in the Quantum Spin Hall phase and carry dissipationless current whose quirality is determined by the spin and pseudospin of the residing electron. Our results","authors_text":"J. Fern\\'andez-Rossier, J. W. Gonz\\'alez","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2012-05-16T17:15:53Z","title":"In-gap impurity states as the hallmark of the Quantum Spin Hall phase"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1205.3737","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:ff0906f2c74c6094f7324aad7c9d519ae55e29a958a544b08d56d3153cb5cbc6","target":"record","created_at":"2026-05-18T03:45:10Z","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":"0b76eed6b80d60c196b1be95117bf55a8a8d6d1c3c05b2e34abe10f75dbdf1f8","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2012-05-16T17:15:53Z","title_canon_sha256":"a4e3de5ddcfd0eb6a40f2319aedd047ca2b396077d9bc53f533d3b2b034e84ad"},"schema_version":"1.0","source":{"id":"1205.3737","kind":"arxiv","version":1}},"canonical_sha256":"a985a246ea54f26d6aa4400136c2aaeb82033b7b74bf272b89566656b7080ff3","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"a985a246ea54f26d6aa4400136c2aaeb82033b7b74bf272b89566656b7080ff3","first_computed_at":"2026-05-18T03:45:10.534505Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:45:10.534505Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"U3oL2TGyu+XDhF9Ak2kBI8HO2XxicKZGSPFOewp1I3LWgB3tL/GMU9mpyWQuiqII4v+HAtnZ2jJxy+Q3POGTAA==","signature_status":"signed_v1","signed_at":"2026-05-18T03:45:10.534979Z","signed_message":"canonical_sha256_bytes"},"source_id":"1205.3737","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:ff0906f2c74c6094f7324aad7c9d519ae55e29a958a544b08d56d3153cb5cbc6","sha256:c1deafc05b7a293c149dd9478fc756c5573f91053ef01e32bfd370ef9f8f467e"],"state_sha256":"0e34921cda1b64d9b7ed749dca155d4050b147481d121d623e0b03f1eaf57e2a"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ErGumAYpsMLQCtSY2C/wtCJL3p4Gp3/k5GS10RwpY6YQ5laAQIRn1U2QS0a6jF1zZcdi37cHfFONE8z54ow4BQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-20T12:42:43.100168Z","bundle_sha256":"ef4664cc6accad2479592ef5eaa9e20cadb02825d312f54010633295316ea40b"}}