{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2018:R3Q6POLHYHLZUPDGAD7LNSGNIB","short_pith_number":"pith:R3Q6POLH","canonical_record":{"source":{"id":"1810.08927","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2018-10-21T10:49:58Z","cross_cats_sorted":[],"title_canon_sha256":"93556a388a08f29a72b48b7eb91b30443aa5dfc4a62df7080007e66a5bcb7161","abstract_canon_sha256":"ece293fe93e1a4110d60910a7d362422d65ded4f383e6e47914275664b7ec302"},"schema_version":"1.0"},"canonical_sha256":"8ee1e7b967c1d79a3c6600feb6c8cd40607c4e77993474e4a2269bde7b2bd653","source":{"kind":"arxiv","id":"1810.08927","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1810.08927","created_at":"2026-05-17T23:56:52Z"},{"alias_kind":"arxiv_version","alias_value":"1810.08927v2","created_at":"2026-05-17T23:56:52Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1810.08927","created_at":"2026-05-17T23:56:52Z"},{"alias_kind":"pith_short_12","alias_value":"R3Q6POLHYHLZ","created_at":"2026-05-18T12:32:50Z"},{"alias_kind":"pith_short_16","alias_value":"R3Q6POLHYHLZUPDG","created_at":"2026-05-18T12:32:50Z"},{"alias_kind":"pith_short_8","alias_value":"R3Q6POLH","created_at":"2026-05-18T12:32:50Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2018:R3Q6POLHYHLZUPDGAD7LNSGNIB","target":"record","payload":{"canonical_record":{"source":{"id":"1810.08927","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2018-10-21T10:49:58Z","cross_cats_sorted":[],"title_canon_sha256":"93556a388a08f29a72b48b7eb91b30443aa5dfc4a62df7080007e66a5bcb7161","abstract_canon_sha256":"ece293fe93e1a4110d60910a7d362422d65ded4f383e6e47914275664b7ec302"},"schema_version":"1.0"},"canonical_sha256":"8ee1e7b967c1d79a3c6600feb6c8cd40607c4e77993474e4a2269bde7b2bd653","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:56:52.735509Z","signature_b64":"5z5l6r29BreSic7Zu7A9KMwS6u7CaXhMsopsOWmtjCqusVAsWaL65GSD4LsKCGP45qC45Zk7NBimDK1ZOPKFCg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"8ee1e7b967c1d79a3c6600feb6c8cd40607c4e77993474e4a2269bde7b2bd653","last_reissued_at":"2026-05-17T23:56:52.734965Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:56:52.734965Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1810.08927","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":"2026-05-17T23:56:52Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"1JlmMnk/0xkXGdpdg5P0/zjWRypHVMcxCDoACxsuw8WFFolRTFkA2DcOfbzDzYCugJlt+5dv4SRuDTJMAsOLBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T21:31:12.642151Z"},"content_sha256":"e8fa932af6c6633b9c93c2cc656ed0282854fd37e9898467292c928e82dab806","schema_version":"1.0","event_id":"sha256:e8fa932af6c6633b9c93c2cc656ed0282854fd37e9898467292c928e82dab806"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2018:R3Q6POLHYHLZUPDGAD7LNSGNIB","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Band Structure Engineering of Interfacial Semiconductors Based on Atomically Thin Lead Iodide Crystals","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mes-hall","authors_text":"Bowen Liu, Chao Zhu, Hai Li, Hongguang Xie, Jiangbin Wu, Jianpu Wang, Jian Zhou, Jinqiu Liu, Kaihui Liu, Lin Wang, Liujiang Zhou, Maotao Yu, Peng Yu, Wei Huang, Wei Zhu, Xiaoyong Wang, Xinran Wang, Yang Cheng, Yan Sun, Yi Cao, Yue Liu, Zhen Huang, Zishu Zhou","submitted_at":"2018-10-21T10:49:58Z","abstract_excerpt":"To explore new constituents in two-dimensional materials and to combine their best in van der Waals heterostructures, are in great demand as being unique platform to discover new physical phenomena and to design novel functionalities in interface-based devices. Herein, PbI2 crystals as thin as few-layers are first synthesized, particularly through a facile low-temperature solution approach with the crystals of large size, regular shape, different thicknesses and high-yields. As a prototypical demonstration of flexible band engineering of PbI2-based interfacial semiconductors, these PbI2 crysta"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1810.08927","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":"2026-05-17T23:56:52Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Apo76eGiHQa9ehidCiYcP3YSoc1F/ehV+qY4GQLJiIyfjUW3V1JI1Kr0JFSKPmQ9JGv6bSUY/bFd62dxA2KNAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T21:31:12.642576Z"},"content_sha256":"f492201a759fb73fc921a55161890034ae1bfbd19a40331c3f6e4ba034a34146","schema_version":"1.0","event_id":"sha256:f492201a759fb73fc921a55161890034ae1bfbd19a40331c3f6e4ba034a34146"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/R3Q6POLHYHLZUPDGAD7LNSGNIB/bundle.json","state_url":"https://pith.science/pith/R3Q6POLHYHLZUPDGAD7LNSGNIB/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/R3Q6POLHYHLZUPDGAD7LNSGNIB/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":"2026-05-25T21:31:12Z","links":{"resolver":"https://pith.science/pith/R3Q6POLHYHLZUPDGAD7LNSGNIB","bundle":"https://pith.science/pith/R3Q6POLHYHLZUPDGAD7LNSGNIB/bundle.json","state":"https://pith.science/pith/R3Q6POLHYHLZUPDGAD7LNSGNIB/state.json","well_known_bundle":"https://pith.science/.well-known/pith/R3Q6POLHYHLZUPDGAD7LNSGNIB/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:R3Q6POLHYHLZUPDGAD7LNSGNIB","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":"ece293fe93e1a4110d60910a7d362422d65ded4f383e6e47914275664b7ec302","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2018-10-21T10:49:58Z","title_canon_sha256":"93556a388a08f29a72b48b7eb91b30443aa5dfc4a62df7080007e66a5bcb7161"},"schema_version":"1.0","source":{"id":"1810.08927","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1810.08927","created_at":"2026-05-17T23:56:52Z"},{"alias_kind":"arxiv_version","alias_value":"1810.08927v2","created_at":"2026-05-17T23:56:52Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1810.08927","created_at":"2026-05-17T23:56:52Z"},{"alias_kind":"pith_short_12","alias_value":"R3Q6POLHYHLZ","created_at":"2026-05-18T12:32:50Z"},{"alias_kind":"pith_short_16","alias_value":"R3Q6POLHYHLZUPDG","created_at":"2026-05-18T12:32:50Z"},{"alias_kind":"pith_short_8","alias_value":"R3Q6POLH","created_at":"2026-05-18T12:32:50Z"}],"graph_snapshots":[{"event_id":"sha256:f492201a759fb73fc921a55161890034ae1bfbd19a40331c3f6e4ba034a34146","target":"graph","created_at":"2026-05-17T23:56:52Z","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":"To explore new constituents in two-dimensional materials and to combine their best in van der Waals heterostructures, are in great demand as being unique platform to discover new physical phenomena and to design novel functionalities in interface-based devices. Herein, PbI2 crystals as thin as few-layers are first synthesized, particularly through a facile low-temperature solution approach with the crystals of large size, regular shape, different thicknesses and high-yields. As a prototypical demonstration of flexible band engineering of PbI2-based interfacial semiconductors, these PbI2 crysta","authors_text":"Bowen Liu, Chao Zhu, Hai Li, Hongguang Xie, Jiangbin Wu, Jianpu Wang, Jian Zhou, Jinqiu Liu, Kaihui Liu, Lin Wang, Liujiang Zhou, Maotao Yu, Peng Yu, Wei Huang, Wei Zhu, Xiaoyong Wang, Xinran Wang, Yang Cheng, Yan Sun, Yi Cao, Yue Liu, Zhen Huang, Zishu Zhou","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2018-10-21T10:49:58Z","title":"Band Structure Engineering of Interfacial Semiconductors Based on Atomically Thin Lead Iodide Crystals"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1810.08927","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:e8fa932af6c6633b9c93c2cc656ed0282854fd37e9898467292c928e82dab806","target":"record","created_at":"2026-05-17T23:56:52Z","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":"ece293fe93e1a4110d60910a7d362422d65ded4f383e6e47914275664b7ec302","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2018-10-21T10:49:58Z","title_canon_sha256":"93556a388a08f29a72b48b7eb91b30443aa5dfc4a62df7080007e66a5bcb7161"},"schema_version":"1.0","source":{"id":"1810.08927","kind":"arxiv","version":2}},"canonical_sha256":"8ee1e7b967c1d79a3c6600feb6c8cd40607c4e77993474e4a2269bde7b2bd653","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"8ee1e7b967c1d79a3c6600feb6c8cd40607c4e77993474e4a2269bde7b2bd653","first_computed_at":"2026-05-17T23:56:52.734965Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-17T23:56:52.734965Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"5z5l6r29BreSic7Zu7A9KMwS6u7CaXhMsopsOWmtjCqusVAsWaL65GSD4LsKCGP45qC45Zk7NBimDK1ZOPKFCg==","signature_status":"signed_v1","signed_at":"2026-05-17T23:56:52.735509Z","signed_message":"canonical_sha256_bytes"},"source_id":"1810.08927","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:e8fa932af6c6633b9c93c2cc656ed0282854fd37e9898467292c928e82dab806","sha256:f492201a759fb73fc921a55161890034ae1bfbd19a40331c3f6e4ba034a34146"],"state_sha256":"0c5c262e0930bb865f06532d3cfe6077634e19e88688a9163dc79d14023b1c49"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"/4TsAIqT2caSOWYYPPbNLxEFLaGFzr4WuopKtx3/dYYQBDDoQMQiL8AbmuCB12afSIcobW+XIFc9DWJ7xGIpDQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-25T21:31:12.645777Z","bundle_sha256":"f1bd2b885df9d89563da467a94ffef827951be45c697680dfd4d1e86f4ebc29c"}}