{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2010:MZ3K75C5XNYVUMVLAFGQ4ENQAU","short_pith_number":"pith:MZ3K75C5","canonical_record":{"source":{"id":"1011.1055","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2010-11-04T02:53:17Z","cross_cats_sorted":["cond-mat.str-el"],"title_canon_sha256":"77cb91a1a4ac5f2eeb37c7a5c52f230df87d086a4bf3a29536bdc8f7a8f473f7","abstract_canon_sha256":"38a73ce220226c3adf114cdc6476e7024c60e167ec51b08e196f18b9d27959e9"},"schema_version":"1.0"},"canonical_sha256":"6676aff45dbb715a32ab014d0e11b005057c8fd1a20d53938a3de2f8baf72058","source":{"kind":"arxiv","id":"1011.1055","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1011.1055","created_at":"2026-05-18T03:23:36Z"},{"alias_kind":"arxiv_version","alias_value":"1011.1055v1","created_at":"2026-05-18T03:23:36Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1011.1055","created_at":"2026-05-18T03:23:36Z"},{"alias_kind":"pith_short_12","alias_value":"MZ3K75C5XNYV","created_at":"2026-05-18T12:26:10Z"},{"alias_kind":"pith_short_16","alias_value":"MZ3K75C5XNYVUMVL","created_at":"2026-05-18T12:26:10Z"},{"alias_kind":"pith_short_8","alias_value":"MZ3K75C5","created_at":"2026-05-18T12:26:10Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2010:MZ3K75C5XNYVUMVLAFGQ4ENQAU","target":"record","payload":{"canonical_record":{"source":{"id":"1011.1055","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2010-11-04T02:53:17Z","cross_cats_sorted":["cond-mat.str-el"],"title_canon_sha256":"77cb91a1a4ac5f2eeb37c7a5c52f230df87d086a4bf3a29536bdc8f7a8f473f7","abstract_canon_sha256":"38a73ce220226c3adf114cdc6476e7024c60e167ec51b08e196f18b9d27959e9"},"schema_version":"1.0"},"canonical_sha256":"6676aff45dbb715a32ab014d0e11b005057c8fd1a20d53938a3de2f8baf72058","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:23:36.732060Z","signature_b64":"x1huVBzOkbkY9In+IPVyEXmfNM0ImlRdcX8crLUx1W3G4+zVx6NKu/0p90of0Yc9wN99cJDr2U+oZ6PSfMcNAQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"6676aff45dbb715a32ab014d0e11b005057c8fd1a20d53938a3de2f8baf72058","last_reissued_at":"2026-05-18T03:23:36.731354Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:23:36.731354Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1011.1055","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":"2026-05-18T03:23:36Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"or3dmU0/NytysFjonmTsxbQZRsncEi8tQMQHDED79xgL/sNhDp35eob14HoPqFzV7fqgHBbbLDvi1QN21TDYCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-03T03:42:07.733680Z"},"content_sha256":"d76b46a7e7efe13738d04840a14081cda0f3a51da64ced796c35da6d01b5c1a8","schema_version":"1.0","event_id":"sha256:d76b46a7e7efe13738d04840a14081cda0f3a51da64ced796c35da6d01b5c1a8"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2010:MZ3K75C5XNYVUMVLAFGQ4ENQAU","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Electron interaction-driven insulating ground state in Bi2Se3 topological insulators in the two dimensional limit","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.str-el"],"primary_cat":"cond-mat.mtrl-sci","authors_text":"Cui-Zu Chang, Jin-Feng Jia, Ke He, Li-Li Wang, Minhao Liu, Qi-Kun Xue, Shou-Cheng Zhang, Wei Ruan, Xi Chen, Xucun Ma, Yayu Wang, Yi Zhang, Zuocheng Zhang","submitted_at":"2010-11-04T02:53:17Z","abstract_excerpt":"We report a transport study of ultrathin Bi2Se3 topological insulators with thickness from one quintuple layer to six quintuple layers grown by molecular beam epitaxy. At low temperatures, the film resistance increases logarithmically with decreasing temperature, revealing an insulating ground state. The sharp increase of resistance with magnetic field, however, indicates the existence of weak antilocalization, which should reduce the resistance as temperature decreases. We show that these apparently contradictory behaviors can be understood by considering the electron interaction effect, whic"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1011.1055","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":"2026-05-18T03:23:36Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"zJGM79l8hP0sh0zWIGdKDFdnnFLpkN1Web68UKfMtfKpkwylLB4MNguoCiwPaGSjS1gvlS3eFCjgsz1nSvhHAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-03T03:42:07.734022Z"},"content_sha256":"b576d59a5c68a9b97f2103625f2dd92fd8831074a673e5f91a085ec5a77b3962","schema_version":"1.0","event_id":"sha256:b576d59a5c68a9b97f2103625f2dd92fd8831074a673e5f91a085ec5a77b3962"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/MZ3K75C5XNYVUMVLAFGQ4ENQAU/bundle.json","state_url":"https://pith.science/pith/MZ3K75C5XNYVUMVLAFGQ4ENQAU/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/MZ3K75C5XNYVUMVLAFGQ4ENQAU/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":"2026-06-03T03:42:07Z","links":{"resolver":"https://pith.science/pith/MZ3K75C5XNYVUMVLAFGQ4ENQAU","bundle":"https://pith.science/pith/MZ3K75C5XNYVUMVLAFGQ4ENQAU/bundle.json","state":"https://pith.science/pith/MZ3K75C5XNYVUMVLAFGQ4ENQAU/state.json","well_known_bundle":"https://pith.science/.well-known/pith/MZ3K75C5XNYVUMVLAFGQ4ENQAU/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2010:MZ3K75C5XNYVUMVLAFGQ4ENQAU","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":"38a73ce220226c3adf114cdc6476e7024c60e167ec51b08e196f18b9d27959e9","cross_cats_sorted":["cond-mat.str-el"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2010-11-04T02:53:17Z","title_canon_sha256":"77cb91a1a4ac5f2eeb37c7a5c52f230df87d086a4bf3a29536bdc8f7a8f473f7"},"schema_version":"1.0","source":{"id":"1011.1055","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1011.1055","created_at":"2026-05-18T03:23:36Z"},{"alias_kind":"arxiv_version","alias_value":"1011.1055v1","created_at":"2026-05-18T03:23:36Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1011.1055","created_at":"2026-05-18T03:23:36Z"},{"alias_kind":"pith_short_12","alias_value":"MZ3K75C5XNYV","created_at":"2026-05-18T12:26:10Z"},{"alias_kind":"pith_short_16","alias_value":"MZ3K75C5XNYVUMVL","created_at":"2026-05-18T12:26:10Z"},{"alias_kind":"pith_short_8","alias_value":"MZ3K75C5","created_at":"2026-05-18T12:26:10Z"}],"graph_snapshots":[{"event_id":"sha256:b576d59a5c68a9b97f2103625f2dd92fd8831074a673e5f91a085ec5a77b3962","target":"graph","created_at":"2026-05-18T03:23:36Z","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 report a transport study of ultrathin Bi2Se3 topological insulators with thickness from one quintuple layer to six quintuple layers grown by molecular beam epitaxy. At low temperatures, the film resistance increases logarithmically with decreasing temperature, revealing an insulating ground state. The sharp increase of resistance with magnetic field, however, indicates the existence of weak antilocalization, which should reduce the resistance as temperature decreases. We show that these apparently contradictory behaviors can be understood by considering the electron interaction effect, whic","authors_text":"Cui-Zu Chang, Jin-Feng Jia, Ke He, Li-Li Wang, Minhao Liu, Qi-Kun Xue, Shou-Cheng Zhang, Wei Ruan, Xi Chen, Xucun Ma, Yayu Wang, Yi Zhang, Zuocheng Zhang","cross_cats":["cond-mat.str-el"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2010-11-04T02:53:17Z","title":"Electron interaction-driven insulating ground state in Bi2Se3 topological insulators in the two dimensional limit"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1011.1055","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:d76b46a7e7efe13738d04840a14081cda0f3a51da64ced796c35da6d01b5c1a8","target":"record","created_at":"2026-05-18T03:23:36Z","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":"38a73ce220226c3adf114cdc6476e7024c60e167ec51b08e196f18b9d27959e9","cross_cats_sorted":["cond-mat.str-el"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2010-11-04T02:53:17Z","title_canon_sha256":"77cb91a1a4ac5f2eeb37c7a5c52f230df87d086a4bf3a29536bdc8f7a8f473f7"},"schema_version":"1.0","source":{"id":"1011.1055","kind":"arxiv","version":1}},"canonical_sha256":"6676aff45dbb715a32ab014d0e11b005057c8fd1a20d53938a3de2f8baf72058","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"6676aff45dbb715a32ab014d0e11b005057c8fd1a20d53938a3de2f8baf72058","first_computed_at":"2026-05-18T03:23:36.731354Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:23:36.731354Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"x1huVBzOkbkY9In+IPVyEXmfNM0ImlRdcX8crLUx1W3G4+zVx6NKu/0p90of0Yc9wN99cJDr2U+oZ6PSfMcNAQ==","signature_status":"signed_v1","signed_at":"2026-05-18T03:23:36.732060Z","signed_message":"canonical_sha256_bytes"},"source_id":"1011.1055","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:d76b46a7e7efe13738d04840a14081cda0f3a51da64ced796c35da6d01b5c1a8","sha256:b576d59a5c68a9b97f2103625f2dd92fd8831074a673e5f91a085ec5a77b3962"],"state_sha256":"1d5a4e345afbfeef6bf529b992d3c3874f578832c83f5ab47dcd6f3280419432"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"bIKM2VgjT8yltCgFwPvGTEJ1AesktNoi4qzpYGEwFhVTcS+j+28d6hdDNnPLeh2oJPOsdh3/H5SVbKo47nuIAQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-03T03:42:07.735936Z","bundle_sha256":"62a6cb9f8b551d1e6d6ae2c0732e25205fb93a6347b0b5d55e4001349f6fe127"}}