{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2022:EGS5AYBDAAYRWXGRHIS72XZHEQ","short_pith_number":"pith:EGS5AYBD","canonical_record":{"source":{"id":"2205.12118","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2022-05-24T14:47:28Z","cross_cats_sorted":[],"title_canon_sha256":"d8d0a4e4cc5f93351d57aeddeb229a8be0952594200c206c6315d726d50162ee","abstract_canon_sha256":"c350028ff2a91a1882f416bf72573c259c4a7b7895540a7ffbe48a807405a14d"},"schema_version":"1.0"},"canonical_sha256":"21a5d0602300311b5cd13a25fd5f27240455f4845595859cf5dcdbb1b0f1e202","source":{"kind":"arxiv","id":"2205.12118","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2205.12118","created_at":"2026-07-05T04:26:11Z"},{"alias_kind":"arxiv_version","alias_value":"2205.12118v1","created_at":"2026-07-05T04:26:11Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2205.12118","created_at":"2026-07-05T04:26:11Z"},{"alias_kind":"pith_short_12","alias_value":"EGS5AYBDAAYR","created_at":"2026-07-05T04:26:11Z"},{"alias_kind":"pith_short_16","alias_value":"EGS5AYBDAAYRWXGR","created_at":"2026-07-05T04:26:11Z"},{"alias_kind":"pith_short_8","alias_value":"EGS5AYBD","created_at":"2026-07-05T04:26:11Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2022:EGS5AYBDAAYRWXGRHIS72XZHEQ","target":"record","payload":{"canonical_record":{"source":{"id":"2205.12118","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2022-05-24T14:47:28Z","cross_cats_sorted":[],"title_canon_sha256":"d8d0a4e4cc5f93351d57aeddeb229a8be0952594200c206c6315d726d50162ee","abstract_canon_sha256":"c350028ff2a91a1882f416bf72573c259c4a7b7895540a7ffbe48a807405a14d"},"schema_version":"1.0"},"canonical_sha256":"21a5d0602300311b5cd13a25fd5f27240455f4845595859cf5dcdbb1b0f1e202","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T04:26:11.519513Z","signature_b64":"ui9u0tFg4RA7MImYjTGY2Sl2zc5NT+uzfl0du1DORVx+DLyJ6SJCOcRAuCWFNQ7W7TWiDXUDu7U4B1l/cPjcBg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"21a5d0602300311b5cd13a25fd5f27240455f4845595859cf5dcdbb1b0f1e202","last_reissued_at":"2026-07-05T04:26:11.519127Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T04:26:11.519127Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2205.12118","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":"2026-07-05T04:26:11Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"9F+txroiIXoLrWxeuyOQ+8hCZayHcnyzIoDOTHVHjMT6v4Pw1r0ZwUYzwY7/juVc5GH0xbGWClhqrkbq1aYwCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-04T07:21:19.210758Z"},"content_sha256":"ef4a3336df93efc5449a4e295db8ac21e2cfc76a1679f60c62b31549d5a066ce","schema_version":"1.0","event_id":"sha256:ef4a3336df93efc5449a4e295db8ac21e2cfc76a1679f60c62b31549d5a066ce"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2022:EGS5AYBDAAYRWXGRHIS72XZHEQ","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Homoepitaxy of rhombohedral-stacked MoS2 with room temperature switchable ferroelectricity","license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mtrl-sci","authors_text":"Alice Chinghsuan Chang, Bor-Wei Liang, Chun-Liang Lin, Fu-Xiang Rikudo Chen, Han-Chieh Lo, Hsiang-Chi Hu, Po-Yen Lin, Tilo H. Yang, Ting-Hua Lu, Wen-Hao Chang, Yann-Wen Lan, Yi-Cheng Chen, Yi-Hao Kuo, Yu-Chen Chang, Yu-Fan Chiang, Yu-Seng Ku","submitted_at":"2022-05-24T14:47:28Z","abstract_excerpt":"The discovery of interfacial ferroelectricity in two-dimensional rhombohedral (3R)-stacked semiconductors opens up a new pathway for achieving ultrathin computing-in-memory devices. However, exploring ferroelectricity switching in natural 3R crystals is difficult due to lack of co-existing 3R stacking domains. Here, we present that MoS2 homoepitaxial patterns with 3R polytypic domains can manifest switchable ferroelectricity at room-temperature. Based on the diffusion limited aggregation theory, such MoS2 patterns are formed under the low Mo chemical potential and low temperature with respect "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2205.12118","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2205.12118/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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":"2026-07-05T04:26:11Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"CaJCL09vXQpP6zpuC4N8RLE9j0CJJTYrOBgP8kPK/s/FSfQIXpE9AEiI/OCXI3pkdWVZrEFndHeSax4vnZCnDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-04T07:21:19.211643Z"},"content_sha256":"c799418bdcacc40685f2ed62861f729004050b381b22a15e48a442797b25fb9b","schema_version":"1.0","event_id":"sha256:c799418bdcacc40685f2ed62861f729004050b381b22a15e48a442797b25fb9b"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/EGS5AYBDAAYRWXGRHIS72XZHEQ/bundle.json","state_url":"https://pith.science/pith/EGS5AYBDAAYRWXGRHIS72XZHEQ/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/EGS5AYBDAAYRWXGRHIS72XZHEQ/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":"2026-08-04T07:21:19Z","links":{"resolver":"https://pith.science/pith/EGS5AYBDAAYRWXGRHIS72XZHEQ","bundle":"https://pith.science/pith/EGS5AYBDAAYRWXGRHIS72XZHEQ/bundle.json","state":"https://pith.science/pith/EGS5AYBDAAYRWXGRHIS72XZHEQ/state.json","well_known_bundle":"https://pith.science/.well-known/pith/EGS5AYBDAAYRWXGRHIS72XZHEQ/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2022:EGS5AYBDAAYRWXGRHIS72XZHEQ","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":"c350028ff2a91a1882f416bf72573c259c4a7b7895540a7ffbe48a807405a14d","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2022-05-24T14:47:28Z","title_canon_sha256":"d8d0a4e4cc5f93351d57aeddeb229a8be0952594200c206c6315d726d50162ee"},"schema_version":"1.0","source":{"id":"2205.12118","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2205.12118","created_at":"2026-07-05T04:26:11Z"},{"alias_kind":"arxiv_version","alias_value":"2205.12118v1","created_at":"2026-07-05T04:26:11Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2205.12118","created_at":"2026-07-05T04:26:11Z"},{"alias_kind":"pith_short_12","alias_value":"EGS5AYBDAAYR","created_at":"2026-07-05T04:26:11Z"},{"alias_kind":"pith_short_16","alias_value":"EGS5AYBDAAYRWXGR","created_at":"2026-07-05T04:26:11Z"},{"alias_kind":"pith_short_8","alias_value":"EGS5AYBD","created_at":"2026-07-05T04:26:11Z"}],"graph_snapshots":[{"event_id":"sha256:c799418bdcacc40685f2ed62861f729004050b381b22a15e48a442797b25fb9b","target":"graph","created_at":"2026-07-05T04:26:11Z","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"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/2205.12118/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"The discovery of interfacial ferroelectricity in two-dimensional rhombohedral (3R)-stacked semiconductors opens up a new pathway for achieving ultrathin computing-in-memory devices. However, exploring ferroelectricity switching in natural 3R crystals is difficult due to lack of co-existing 3R stacking domains. Here, we present that MoS2 homoepitaxial patterns with 3R polytypic domains can manifest switchable ferroelectricity at room-temperature. Based on the diffusion limited aggregation theory, such MoS2 patterns are formed under the low Mo chemical potential and low temperature with respect ","authors_text":"Alice Chinghsuan Chang, Bor-Wei Liang, Chun-Liang Lin, Fu-Xiang Rikudo Chen, Han-Chieh Lo, Hsiang-Chi Hu, Po-Yen Lin, Tilo H. Yang, Ting-Hua Lu, Wen-Hao Chang, Yann-Wen Lan, Yi-Cheng Chen, Yi-Hao Kuo, Yu-Chen Chang, Yu-Fan Chiang, Yu-Seng Ku","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2022-05-24T14:47:28Z","title":"Homoepitaxy of rhombohedral-stacked MoS2 with room temperature switchable ferroelectricity"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2205.12118","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:ef4a3336df93efc5449a4e295db8ac21e2cfc76a1679f60c62b31549d5a066ce","target":"record","created_at":"2026-07-05T04:26:11Z","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":"c350028ff2a91a1882f416bf72573c259c4a7b7895540a7ffbe48a807405a14d","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2022-05-24T14:47:28Z","title_canon_sha256":"d8d0a4e4cc5f93351d57aeddeb229a8be0952594200c206c6315d726d50162ee"},"schema_version":"1.0","source":{"id":"2205.12118","kind":"arxiv","version":1}},"canonical_sha256":"21a5d0602300311b5cd13a25fd5f27240455f4845595859cf5dcdbb1b0f1e202","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"21a5d0602300311b5cd13a25fd5f27240455f4845595859cf5dcdbb1b0f1e202","first_computed_at":"2026-07-05T04:26:11.519127Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T04:26:11.519127Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"ui9u0tFg4RA7MImYjTGY2Sl2zc5NT+uzfl0du1DORVx+DLyJ6SJCOcRAuCWFNQ7W7TWiDXUDu7U4B1l/cPjcBg==","signature_status":"signed_v1","signed_at":"2026-07-05T04:26:11.519513Z","signed_message":"canonical_sha256_bytes"},"source_id":"2205.12118","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:ef4a3336df93efc5449a4e295db8ac21e2cfc76a1679f60c62b31549d5a066ce","sha256:c799418bdcacc40685f2ed62861f729004050b381b22a15e48a442797b25fb9b"],"state_sha256":"b9d22fb2aa4a78feef990165618046e44af34ce490be7c61caa6f9224f7f990f"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"aelwOe7T3gY7qX0EpldycZt27m24FluLd+0OUkmV7+wYHokhXZjUCuDtth8SiWXPlfWG8LI+3vhp4eKTD9pgCQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-04T07:21:19.217215Z","bundle_sha256":"0bfc8031e0281658aff0dbc93de77c4e9851654bfc2186b0fba5e72d046e9e9c"}}