{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2014:FSOUGSMOOJJAVMDH3DPTOJEXGG","short_pith_number":"pith:FSOUGSMO","canonical_record":{"source":{"id":"1408.6612","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2014-08-28T03:05:45Z","cross_cats_sorted":[],"title_canon_sha256":"1c36970b1030519a0de17fa097540b14625f6da28fb6257c1c809537de2fdefc","abstract_canon_sha256":"3e5e825214e2f1fa74ffb3acad9d003014f891e98a8700e2b45649e0cdb7957c"},"schema_version":"1.0"},"canonical_sha256":"2c9d43498e72520ab067d8df37249731b28581ad6d8f7fee2ae9b4dedb0cab41","source":{"kind":"arxiv","id":"1408.6612","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1408.6612","created_at":"2026-05-18T02:39:18Z"},{"alias_kind":"arxiv_version","alias_value":"1408.6612v1","created_at":"2026-05-18T02:39:18Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1408.6612","created_at":"2026-05-18T02:39:18Z"},{"alias_kind":"pith_short_12","alias_value":"FSOUGSMOOJJA","created_at":"2026-05-18T12:28:28Z"},{"alias_kind":"pith_short_16","alias_value":"FSOUGSMOOJJAVMDH","created_at":"2026-05-18T12:28:28Z"},{"alias_kind":"pith_short_8","alias_value":"FSOUGSMO","created_at":"2026-05-18T12:28:28Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2014:FSOUGSMOOJJAVMDH3DPTOJEXGG","target":"record","payload":{"canonical_record":{"source":{"id":"1408.6612","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2014-08-28T03:05:45Z","cross_cats_sorted":[],"title_canon_sha256":"1c36970b1030519a0de17fa097540b14625f6da28fb6257c1c809537de2fdefc","abstract_canon_sha256":"3e5e825214e2f1fa74ffb3acad9d003014f891e98a8700e2b45649e0cdb7957c"},"schema_version":"1.0"},"canonical_sha256":"2c9d43498e72520ab067d8df37249731b28581ad6d8f7fee2ae9b4dedb0cab41","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:39:18.843423Z","signature_b64":"zaveOfHgarhEgW03BdleLRctMVjlNoDTNbBS4tz+re1UcaCcJu0rk3T8J/2CpCO8lwwpEgxlNIuk853JkK9XDg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"2c9d43498e72520ab067d8df37249731b28581ad6d8f7fee2ae9b4dedb0cab41","last_reissued_at":"2026-05-18T02:39:18.842840Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:39:18.842840Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1408.6612","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":"2026-05-18T02:39:18Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"TC2yhASk/+jrJVMgIpx4a4KtiYxVzI5eNZMtLIxyRhoS6L1jqgNs3rKGC06LhqVQgSMGOV0UcIUMbXbYsgaZCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-19T17:00:56.219929Z"},"content_sha256":"1ba86839bd28bd11eb9083e97fb3fb7a22639677cb0c366a205b88f239f93bd0","schema_version":"1.0","event_id":"sha256:1ba86839bd28bd11eb9083e97fb3fb7a22639677cb0c366a205b88f239f93bd0"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2014:FSOUGSMOOJJAVMDH3DPTOJEXGG","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Two-dimensional Quasi-Freestanding Molecular Crystals for High-Performance Organic Field-Effect Transistors","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mtrl-sci","authors_text":"Daowei He, Feng Miao, Fengqi Song, Haiyan Nan, Hangxun Xu, Jian-Bin Xu, Jianjun Yao, Jinlan Wang, Junfang Liu, K. Watanabe, Lin He, Qisheng Wu, Rui Xu, Shijun Yuan, T. Taniguchi, Xinran Wang, Yi Shi, Yuhan Zhang, Yun Li, Zhenhua Ni, Zilu Wang","submitted_at":"2014-08-28T03:05:45Z","abstract_excerpt":"Two-dimensional atomic crystals are extensively studied in recent years due to their exciting physics and device applications. However, a molecular counterpart, with scalable processability and competitive device performance, is still challenging. Here, we demonstrate that high-quality few-layer dioctylbenzothienobenzothiophene molecular crystals can be grown on graphene or boron nitride substrate via van der Waals epitaxy, with precisely controlled thickness down to monolayer, large-area single crystal, low process temperature and patterning capability. The crystalline layers are atomically s"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1408.6612","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":"2026-05-18T02:39:18Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ymWV/vKgbU/AqMZoQMiHE19HFEgOT2Il+goRniP7DAUnVhCAJUl+lE9/J0SXi3mkzQ3xw7juz9xD3Zz1kg7WDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-19T17:00:56.220273Z"},"content_sha256":"b650937db7a3473b2a3bea3e850abcc0e165ee849037f0169d3e6d17c9559fba","schema_version":"1.0","event_id":"sha256:b650937db7a3473b2a3bea3e850abcc0e165ee849037f0169d3e6d17c9559fba"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/FSOUGSMOOJJAVMDH3DPTOJEXGG/bundle.json","state_url":"https://pith.science/pith/FSOUGSMOOJJAVMDH3DPTOJEXGG/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/FSOUGSMOOJJAVMDH3DPTOJEXGG/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":"2026-05-19T17:00:56Z","links":{"resolver":"https://pith.science/pith/FSOUGSMOOJJAVMDH3DPTOJEXGG","bundle":"https://pith.science/pith/FSOUGSMOOJJAVMDH3DPTOJEXGG/bundle.json","state":"https://pith.science/pith/FSOUGSMOOJJAVMDH3DPTOJEXGG/state.json","well_known_bundle":"https://pith.science/.well-known/pith/FSOUGSMOOJJAVMDH3DPTOJEXGG/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2014:FSOUGSMOOJJAVMDH3DPTOJEXGG","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":"3e5e825214e2f1fa74ffb3acad9d003014f891e98a8700e2b45649e0cdb7957c","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2014-08-28T03:05:45Z","title_canon_sha256":"1c36970b1030519a0de17fa097540b14625f6da28fb6257c1c809537de2fdefc"},"schema_version":"1.0","source":{"id":"1408.6612","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1408.6612","created_at":"2026-05-18T02:39:18Z"},{"alias_kind":"arxiv_version","alias_value":"1408.6612v1","created_at":"2026-05-18T02:39:18Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1408.6612","created_at":"2026-05-18T02:39:18Z"},{"alias_kind":"pith_short_12","alias_value":"FSOUGSMOOJJA","created_at":"2026-05-18T12:28:28Z"},{"alias_kind":"pith_short_16","alias_value":"FSOUGSMOOJJAVMDH","created_at":"2026-05-18T12:28:28Z"},{"alias_kind":"pith_short_8","alias_value":"FSOUGSMO","created_at":"2026-05-18T12:28:28Z"}],"graph_snapshots":[{"event_id":"sha256:b650937db7a3473b2a3bea3e850abcc0e165ee849037f0169d3e6d17c9559fba","target":"graph","created_at":"2026-05-18T02:39:18Z","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":"Two-dimensional atomic crystals are extensively studied in recent years due to their exciting physics and device applications. However, a molecular counterpart, with scalable processability and competitive device performance, is still challenging. Here, we demonstrate that high-quality few-layer dioctylbenzothienobenzothiophene molecular crystals can be grown on graphene or boron nitride substrate via van der Waals epitaxy, with precisely controlled thickness down to monolayer, large-area single crystal, low process temperature and patterning capability. The crystalline layers are atomically s","authors_text":"Daowei He, Feng Miao, Fengqi Song, Haiyan Nan, Hangxun Xu, Jian-Bin Xu, Jianjun Yao, Jinlan Wang, Junfang Liu, K. Watanabe, Lin He, Qisheng Wu, Rui Xu, Shijun Yuan, T. Taniguchi, Xinran Wang, Yi Shi, Yuhan Zhang, Yun Li, Zhenhua Ni, Zilu Wang","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2014-08-28T03:05:45Z","title":"Two-dimensional Quasi-Freestanding Molecular Crystals for High-Performance Organic Field-Effect Transistors"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1408.6612","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":"sha256:1ba86839bd28bd11eb9083e97fb3fb7a22639677cb0c366a205b88f239f93bd0","target":"record","created_at":"2026-05-18T02:39:18Z","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":"3e5e825214e2f1fa74ffb3acad9d003014f891e98a8700e2b45649e0cdb7957c","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2014-08-28T03:05:45Z","title_canon_sha256":"1c36970b1030519a0de17fa097540b14625f6da28fb6257c1c809537de2fdefc"},"schema_version":"1.0","source":{"id":"1408.6612","kind":"arxiv","version":1}},"canonical_sha256":"2c9d43498e72520ab067d8df37249731b28581ad6d8f7fee2ae9b4dedb0cab41","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"2c9d43498e72520ab067d8df37249731b28581ad6d8f7fee2ae9b4dedb0cab41","first_computed_at":"2026-05-18T02:39:18.842840Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:39:18.842840Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"zaveOfHgarhEgW03BdleLRctMVjlNoDTNbBS4tz+re1UcaCcJu0rk3T8J/2CpCO8lwwpEgxlNIuk853JkK9XDg==","signature_status":"signed_v1","signed_at":"2026-05-18T02:39:18.843423Z","signed_message":"canonical_sha256_bytes"},"source_id":"1408.6612","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:1ba86839bd28bd11eb9083e97fb3fb7a22639677cb0c366a205b88f239f93bd0","sha256:b650937db7a3473b2a3bea3e850abcc0e165ee849037f0169d3e6d17c9559fba"],"state_sha256":"ac8d750de95857f55a091b1f52dfed3a3c62d057895ed56e28e77e62d969c5ad"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"kRLsyUq/TiMG3MdfxouKanAVixRVPrIal49tFMJaApeT4Kio0ym2J2BLVZxkKvw2tRez27LSTYD6q0uMuzG0DA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-19T17:00:56.222289Z","bundle_sha256":"d5cfbce65223377995aa952631ab5158127305ac768eb07770d01f6f70670793"}}