{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2019:G5DJWLZOIM4LWG3E5YUYKYQTEX","short_pith_number":"pith:G5DJWLZO","canonical_record":{"source":{"id":"1905.06776","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2019-05-16T14:22:50Z","cross_cats_sorted":[],"title_canon_sha256":"d6e6e3eba3dbc4169a93f8541c69cd59371c804e3f5dbc0def0109962aac942b","abstract_canon_sha256":"95d32739829961f65a30b3e6d2aec0f29aa02e6d40089ce7733113f0c5e1e994"},"schema_version":"1.0"},"canonical_sha256":"37469b2f2e4338bb1b64ee2985621325d64f49f60d711f51a5cecaada5469969","source":{"kind":"arxiv","id":"1905.06776","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1905.06776","created_at":"2026-05-17T23:39:43Z"},{"alias_kind":"arxiv_version","alias_value":"1905.06776v1","created_at":"2026-05-17T23:39:43Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1905.06776","created_at":"2026-05-17T23:39:43Z"},{"alias_kind":"pith_short_12","alias_value":"G5DJWLZOIM4L","created_at":"2026-05-18T12:33:18Z"},{"alias_kind":"pith_short_16","alias_value":"G5DJWLZOIM4LWG3E","created_at":"2026-05-18T12:33:18Z"},{"alias_kind":"pith_short_8","alias_value":"G5DJWLZO","created_at":"2026-05-18T12:33:18Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2019:G5DJWLZOIM4LWG3E5YUYKYQTEX","target":"record","payload":{"canonical_record":{"source":{"id":"1905.06776","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2019-05-16T14:22:50Z","cross_cats_sorted":[],"title_canon_sha256":"d6e6e3eba3dbc4169a93f8541c69cd59371c804e3f5dbc0def0109962aac942b","abstract_canon_sha256":"95d32739829961f65a30b3e6d2aec0f29aa02e6d40089ce7733113f0c5e1e994"},"schema_version":"1.0"},"canonical_sha256":"37469b2f2e4338bb1b64ee2985621325d64f49f60d711f51a5cecaada5469969","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:39:43.619021Z","signature_b64":"hENR60qUYP4gV2qdxJbtEE0ubGawzraTsat9JxKs6iSS3RtiuKyOIaOdKMh3KqUMw0le0FSGBelIcoyLNLVlBQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"37469b2f2e4338bb1b64ee2985621325d64f49f60d711f51a5cecaada5469969","last_reissued_at":"2026-05-17T23:39:43.618347Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:39:43.618347Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1905.06776","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":"2026-05-17T23:39:43Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"J/tG4TC22qC3Oxq+zK5h8GjacKCDuwjBe5o7fWpskzac2N6a7d3ZaMzeddNVmvlFqllP1CB0nCsBQRhj2LuNDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-03T19:50:07.177171Z"},"content_sha256":"a0d60345a0c1cfe7823ab3f8e71fdf10a84a81554b44a7235d6b006a820ee1b4","schema_version":"1.0","event_id":"sha256:a0d60345a0c1cfe7823ab3f8e71fdf10a84a81554b44a7235d6b006a820ee1b4"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2019:G5DJWLZOIM4LWG3E5YUYKYQTEX","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Dimensional crossover and topological nature of the thin films of a three-dimensional topological insulator by band gap engineering","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mtrl-sci","authors_text":"Chaoyu Chen, Hongyi Sun, Jianghua Zhang, Ke He, Mingyu Tong, Qihang Liu, Qi-Kun Xue, Tian Jiang, Tong Zhou, Xiangnan Xie, Yan Gong, Yunyi Zang, Zhenyu Wang","submitted_at":"2019-05-16T14:22:50Z","abstract_excerpt":"Identification and control of topological phases in topological thin films offer great opportunity for fundamental research and the fabrication of topology-based devices. Here, combining molecular beam epitaxy, angle-resolved photoemission spectroscopy and ab-initio calculations, we investigate the electronic structure evolution in (Bi1-xInx)2Se3 films with thickness from 2 to 13 quintuple layers. We identify several phases with their characteristic topological nature and evolution between them, i.e., dimensional crossover from a three-dimensional topological insulator with gapless surface sta"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1905.06776","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":"2026-05-17T23:39:43Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"7k6lU+roJQHrX5eyOZn9FNrhTEWBpbbR9CWfnr3nDMs+iOXZlZw2D4tjA7qVawK8CzJ9vxRx+6YjCGngRUlYCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-03T19:50:07.177531Z"},"content_sha256":"bc42f9edbdc5c56f58b0d75f83e23ea562bbd7349bb1dd2083bee12d3299c465","schema_version":"1.0","event_id":"sha256:bc42f9edbdc5c56f58b0d75f83e23ea562bbd7349bb1dd2083bee12d3299c465"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/G5DJWLZOIM4LWG3E5YUYKYQTEX/bundle.json","state_url":"https://pith.science/pith/G5DJWLZOIM4LWG3E5YUYKYQTEX/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/G5DJWLZOIM4LWG3E5YUYKYQTEX/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":"2026-06-03T19:50:07Z","links":{"resolver":"https://pith.science/pith/G5DJWLZOIM4LWG3E5YUYKYQTEX","bundle":"https://pith.science/pith/G5DJWLZOIM4LWG3E5YUYKYQTEX/bundle.json","state":"https://pith.science/pith/G5DJWLZOIM4LWG3E5YUYKYQTEX/state.json","well_known_bundle":"https://pith.science/.well-known/pith/G5DJWLZOIM4LWG3E5YUYKYQTEX/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2019:G5DJWLZOIM4LWG3E5YUYKYQTEX","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":"95d32739829961f65a30b3e6d2aec0f29aa02e6d40089ce7733113f0c5e1e994","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2019-05-16T14:22:50Z","title_canon_sha256":"d6e6e3eba3dbc4169a93f8541c69cd59371c804e3f5dbc0def0109962aac942b"},"schema_version":"1.0","source":{"id":"1905.06776","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1905.06776","created_at":"2026-05-17T23:39:43Z"},{"alias_kind":"arxiv_version","alias_value":"1905.06776v1","created_at":"2026-05-17T23:39:43Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1905.06776","created_at":"2026-05-17T23:39:43Z"},{"alias_kind":"pith_short_12","alias_value":"G5DJWLZOIM4L","created_at":"2026-05-18T12:33:18Z"},{"alias_kind":"pith_short_16","alias_value":"G5DJWLZOIM4LWG3E","created_at":"2026-05-18T12:33:18Z"},{"alias_kind":"pith_short_8","alias_value":"G5DJWLZO","created_at":"2026-05-18T12:33:18Z"}],"graph_snapshots":[{"event_id":"sha256:bc42f9edbdc5c56f58b0d75f83e23ea562bbd7349bb1dd2083bee12d3299c465","target":"graph","created_at":"2026-05-17T23:39:43Z","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":"Identification and control of topological phases in topological thin films offer great opportunity for fundamental research and the fabrication of topology-based devices. Here, combining molecular beam epitaxy, angle-resolved photoemission spectroscopy and ab-initio calculations, we investigate the electronic structure evolution in (Bi1-xInx)2Se3 films with thickness from 2 to 13 quintuple layers. We identify several phases with their characteristic topological nature and evolution between them, i.e., dimensional crossover from a three-dimensional topological insulator with gapless surface sta","authors_text":"Chaoyu Chen, Hongyi Sun, Jianghua Zhang, Ke He, Mingyu Tong, Qihang Liu, Qi-Kun Xue, Tian Jiang, Tong Zhou, Xiangnan Xie, Yan Gong, Yunyi Zang, Zhenyu Wang","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2019-05-16T14:22:50Z","title":"Dimensional crossover and topological nature of the thin films of a three-dimensional topological insulator by band gap engineering"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1905.06776","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:a0d60345a0c1cfe7823ab3f8e71fdf10a84a81554b44a7235d6b006a820ee1b4","target":"record","created_at":"2026-05-17T23:39:43Z","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":"95d32739829961f65a30b3e6d2aec0f29aa02e6d40089ce7733113f0c5e1e994","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2019-05-16T14:22:50Z","title_canon_sha256":"d6e6e3eba3dbc4169a93f8541c69cd59371c804e3f5dbc0def0109962aac942b"},"schema_version":"1.0","source":{"id":"1905.06776","kind":"arxiv","version":1}},"canonical_sha256":"37469b2f2e4338bb1b64ee2985621325d64f49f60d711f51a5cecaada5469969","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"37469b2f2e4338bb1b64ee2985621325d64f49f60d711f51a5cecaada5469969","first_computed_at":"2026-05-17T23:39:43.618347Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-17T23:39:43.618347Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"hENR60qUYP4gV2qdxJbtEE0ubGawzraTsat9JxKs6iSS3RtiuKyOIaOdKMh3KqUMw0le0FSGBelIcoyLNLVlBQ==","signature_status":"signed_v1","signed_at":"2026-05-17T23:39:43.619021Z","signed_message":"canonical_sha256_bytes"},"source_id":"1905.06776","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:a0d60345a0c1cfe7823ab3f8e71fdf10a84a81554b44a7235d6b006a820ee1b4","sha256:bc42f9edbdc5c56f58b0d75f83e23ea562bbd7349bb1dd2083bee12d3299c465"],"state_sha256":"7e680e75139bab6188514f6c2a95315e41fc12673322ee4b08ac2e2d8bfd2535"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"fhCFqsllQ8E0dKzyAf3VINvEOEeLG+FptH4akkXgJnmT6doAILhxcJzgIl8QuRffsBom1qlIlptTbOo9lf3MDw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-03T19:50:07.179467Z","bundle_sha256":"0c442ec22926c6483067378028f9e8acae3a50fb53b110c0abe6ea2e4c7a2ae4"}}