{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2011:QWCSZIX7IGDYHKHYWV2WRPLFCK","short_pith_number":"pith:QWCSZIX7","canonical_record":{"source":{"id":"1106.0552","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2011-06-03T02:28:01Z","cross_cats_sorted":[],"title_canon_sha256":"bb924de3f74e59159f4e3262d1123dcd7ffe244b012e75575109fed57e35a980","abstract_canon_sha256":"f2b51f865a62d54a1eeb34ed55900f240b23378452351b43dddfa9182e432643"},"schema_version":"1.0"},"canonical_sha256":"85852ca2ff418783a8f8b57568bd65128a076a3aeb78a6101eac9cbda9aa32b4","source":{"kind":"arxiv","id":"1106.0552","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1106.0552","created_at":"2026-05-18T02:01:44Z"},{"alias_kind":"arxiv_version","alias_value":"1106.0552v1","created_at":"2026-05-18T02:01:44Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1106.0552","created_at":"2026-05-18T02:01:44Z"},{"alias_kind":"pith_short_12","alias_value":"QWCSZIX7IGDY","created_at":"2026-05-18T12:26:39Z"},{"alias_kind":"pith_short_16","alias_value":"QWCSZIX7IGDYHKHY","created_at":"2026-05-18T12:26:39Z"},{"alias_kind":"pith_short_8","alias_value":"QWCSZIX7","created_at":"2026-05-18T12:26:39Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2011:QWCSZIX7IGDYHKHYWV2WRPLFCK","target":"record","payload":{"canonical_record":{"source":{"id":"1106.0552","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2011-06-03T02:28:01Z","cross_cats_sorted":[],"title_canon_sha256":"bb924de3f74e59159f4e3262d1123dcd7ffe244b012e75575109fed57e35a980","abstract_canon_sha256":"f2b51f865a62d54a1eeb34ed55900f240b23378452351b43dddfa9182e432643"},"schema_version":"1.0"},"canonical_sha256":"85852ca2ff418783a8f8b57568bd65128a076a3aeb78a6101eac9cbda9aa32b4","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:01:44.122803Z","signature_b64":"kJJq0Tk21+J6RsTCBSgKv0HOonY4jd9pJMBDztMppP55++jWJ9vMxZN8WpFQ0w6jsjz8xRayC+Xb54ucG5fcBA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"85852ca2ff418783a8f8b57568bd65128a076a3aeb78a6101eac9cbda9aa32b4","last_reissued_at":"2026-05-18T02:01:44.122346Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:01:44.122346Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1106.0552","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":"2026-05-18T02:01:44Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"BeMLHrZ/GR96OajfRlcRT4KMIll0mstmMQtBGi1i4LRys5+JfpFETdgIEX52S/v7TksqtU1rOKfBnLRAVGL7Aw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-24T08:14:48.216063Z"},"content_sha256":"679fb1ce00fb44151ef4e649055a8607544a848220535e12e74830cd09982800","schema_version":"1.0","event_id":"sha256:679fb1ce00fb44151ef4e649055a8607544a848220535e12e74830cd09982800"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2011:QWCSZIX7IGDYHKHYWV2WRPLFCK","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Rashba spin-splitting control at the surface of the topological insulator Bi2Se3","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.str-el","authors_text":"A. Damascelli, A. Ubaldini, B. Ludbrook, C.N. Veenstra, D.Wong, G. Levy, I.S. Elfimov, J.A. Rosen, J. Paglione, N.P. Butch, P. Dosanjh, P. Syers, R. Comin, Z.-H. Zhu","submitted_at":"2011-06-03T02:28:01Z","abstract_excerpt":"The electronic structure of Bi2Se3 is studied by angle-resolved photoemission and density functional theory. We show that the instability of the surface electronic properties, observed even in ultra-high-vacuum conditions, can be overcome via in-situ potassium deposition. In addition to accurately setting the carrier concentration, new Rashba-like spin-polarized states are induced, with a tunable, reversible, and highly stable spin splitting. Ab-initio slab calculations reveal that these Rashba state are derived from the 5QL quantum-well states. While the K-induced potential gradient enhances "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1106.0552","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":"2026-05-18T02:01:44Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"yyIMp0YPpPTfGrtuIyJh/EdnFLqkz3IYZyEOiIm58zYOfbDWihV9+TD0IgDeiZXBFgTBs7eKelRE2CvCqSb7Dg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-24T08:14:48.216431Z"},"content_sha256":"7ecaa78a3edf6701069721d561930f27d8d8b1e8f997253f431ea54df118c326","schema_version":"1.0","event_id":"sha256:7ecaa78a3edf6701069721d561930f27d8d8b1e8f997253f431ea54df118c326"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/QWCSZIX7IGDYHKHYWV2WRPLFCK/bundle.json","state_url":"https://pith.science/pith/QWCSZIX7IGDYHKHYWV2WRPLFCK/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/QWCSZIX7IGDYHKHYWV2WRPLFCK/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":"2026-05-24T08:14:48Z","links":{"resolver":"https://pith.science/pith/QWCSZIX7IGDYHKHYWV2WRPLFCK","bundle":"https://pith.science/pith/QWCSZIX7IGDYHKHYWV2WRPLFCK/bundle.json","state":"https://pith.science/pith/QWCSZIX7IGDYHKHYWV2WRPLFCK/state.json","well_known_bundle":"https://pith.science/.well-known/pith/QWCSZIX7IGDYHKHYWV2WRPLFCK/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2011:QWCSZIX7IGDYHKHYWV2WRPLFCK","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":"f2b51f865a62d54a1eeb34ed55900f240b23378452351b43dddfa9182e432643","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2011-06-03T02:28:01Z","title_canon_sha256":"bb924de3f74e59159f4e3262d1123dcd7ffe244b012e75575109fed57e35a980"},"schema_version":"1.0","source":{"id":"1106.0552","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1106.0552","created_at":"2026-05-18T02:01:44Z"},{"alias_kind":"arxiv_version","alias_value":"1106.0552v1","created_at":"2026-05-18T02:01:44Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1106.0552","created_at":"2026-05-18T02:01:44Z"},{"alias_kind":"pith_short_12","alias_value":"QWCSZIX7IGDY","created_at":"2026-05-18T12:26:39Z"},{"alias_kind":"pith_short_16","alias_value":"QWCSZIX7IGDYHKHY","created_at":"2026-05-18T12:26:39Z"},{"alias_kind":"pith_short_8","alias_value":"QWCSZIX7","created_at":"2026-05-18T12:26:39Z"}],"graph_snapshots":[{"event_id":"sha256:7ecaa78a3edf6701069721d561930f27d8d8b1e8f997253f431ea54df118c326","target":"graph","created_at":"2026-05-18T02:01:44Z","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":"The electronic structure of Bi2Se3 is studied by angle-resolved photoemission and density functional theory. We show that the instability of the surface electronic properties, observed even in ultra-high-vacuum conditions, can be overcome via in-situ potassium deposition. In addition to accurately setting the carrier concentration, new Rashba-like spin-polarized states are induced, with a tunable, reversible, and highly stable spin splitting. Ab-initio slab calculations reveal that these Rashba state are derived from the 5QL quantum-well states. While the K-induced potential gradient enhances ","authors_text":"A. Damascelli, A. Ubaldini, B. Ludbrook, C.N. Veenstra, D.Wong, G. Levy, I.S. Elfimov, J.A. Rosen, J. Paglione, N.P. Butch, P. Dosanjh, P. Syers, R. Comin, Z.-H. Zhu","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2011-06-03T02:28:01Z","title":"Rashba spin-splitting control at the surface of the topological insulator Bi2Se3"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1106.0552","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":"sha256:679fb1ce00fb44151ef4e649055a8607544a848220535e12e74830cd09982800","target":"record","created_at":"2026-05-18T02:01:44Z","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":"f2b51f865a62d54a1eeb34ed55900f240b23378452351b43dddfa9182e432643","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2011-06-03T02:28:01Z","title_canon_sha256":"bb924de3f74e59159f4e3262d1123dcd7ffe244b012e75575109fed57e35a980"},"schema_version":"1.0","source":{"id":"1106.0552","kind":"arxiv","version":1}},"canonical_sha256":"85852ca2ff418783a8f8b57568bd65128a076a3aeb78a6101eac9cbda9aa32b4","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"85852ca2ff418783a8f8b57568bd65128a076a3aeb78a6101eac9cbda9aa32b4","first_computed_at":"2026-05-18T02:01:44.122346Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:01:44.122346Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"kJJq0Tk21+J6RsTCBSgKv0HOonY4jd9pJMBDztMppP55++jWJ9vMxZN8WpFQ0w6jsjz8xRayC+Xb54ucG5fcBA==","signature_status":"signed_v1","signed_at":"2026-05-18T02:01:44.122803Z","signed_message":"canonical_sha256_bytes"},"source_id":"1106.0552","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:679fb1ce00fb44151ef4e649055a8607544a848220535e12e74830cd09982800","sha256:7ecaa78a3edf6701069721d561930f27d8d8b1e8f997253f431ea54df118c326"],"state_sha256":"632ccb26468d771140ba1aa7c4887d3ac862a7505f0802215c4d7366e3e2c672"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"4Vr0NgPwGPoTjh4RTI/S1XIoOgeql50Y+R/R0tipDkAEwbFYVENgKPda/YB3Nb/bWy9fFzCLSWZJY+UY24cOCw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-24T08:14:48.218775Z","bundle_sha256":"958714ac8c262fe9c31a4b07bb6bd9be92df49e9c02285df93dff315444b4a94"}}