{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2018:KBPCYVGIKOFJ462MA2B7XQQDPP","short_pith_number":"pith:KBPCYVGI","canonical_record":{"source":{"id":"1805.07041","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2018-05-18T04:10:02Z","cross_cats_sorted":[],"title_canon_sha256":"f038747d2733ab1746ff30865fa88ab06c2ce2f25d1c64b9c795c5209e52b4af","abstract_canon_sha256":"c5a0ed4db2df6891e77aebe3af84a0c00e8607fbca20deadd81f2eb68e0981b2"},"schema_version":"1.0"},"canonical_sha256":"505e2c54c8538a9e7b4c0683fbc2037bd60d3beeb205763356b1de487e109dd8","source":{"kind":"arxiv","id":"1805.07041","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1805.07041","created_at":"2026-05-17T23:39:32Z"},{"alias_kind":"arxiv_version","alias_value":"1805.07041v1","created_at":"2026-05-17T23:39:32Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1805.07041","created_at":"2026-05-17T23:39:32Z"},{"alias_kind":"pith_short_12","alias_value":"KBPCYVGIKOFJ","created_at":"2026-05-18T12:32:33Z"},{"alias_kind":"pith_short_16","alias_value":"KBPCYVGIKOFJ462M","created_at":"2026-05-18T12:32:33Z"},{"alias_kind":"pith_short_8","alias_value":"KBPCYVGI","created_at":"2026-05-18T12:32:33Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2018:KBPCYVGIKOFJ462MA2B7XQQDPP","target":"record","payload":{"canonical_record":{"source":{"id":"1805.07041","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2018-05-18T04:10:02Z","cross_cats_sorted":[],"title_canon_sha256":"f038747d2733ab1746ff30865fa88ab06c2ce2f25d1c64b9c795c5209e52b4af","abstract_canon_sha256":"c5a0ed4db2df6891e77aebe3af84a0c00e8607fbca20deadd81f2eb68e0981b2"},"schema_version":"1.0"},"canonical_sha256":"505e2c54c8538a9e7b4c0683fbc2037bd60d3beeb205763356b1de487e109dd8","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:39:32.360194Z","signature_b64":"2GMPYfpO+9KMKdDIu7M7xWS469oHqXoNyuEEeYcB9CZjdAIdfpjdbAozGJditGiqflBSFked0Wa05MI49SJQDw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"505e2c54c8538a9e7b4c0683fbc2037bd60d3beeb205763356b1de487e109dd8","last_reissued_at":"2026-05-17T23:39:32.359557Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:39:32.359557Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1805.07041","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":"2026-05-17T23:39:32Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"QdwMXnaB1vI9cuZK5ehv9Jf3ZdozfViT/UnDufXGaOdCK1K8AOTjfBpdQEenkjtm39l6pCWV0FDY6BfQLDRwBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-31T16:51:38.657753Z"},"content_sha256":"f4b694c413e89ad67ec732a57354bed2db4a48e1e24297dc1a9e4ca9a7868a59","schema_version":"1.0","event_id":"sha256:f4b694c413e89ad67ec732a57354bed2db4a48e1e24297dc1a9e4ca9a7868a59"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2018:KBPCYVGIKOFJ462MA2B7XQQDPP","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Non-monotonic thickness dependence of Curie temperature and ferroelectricity in Two-dimensional SnTe film","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mtrl-sci","authors_text":"Chao Yang, Gang Tang, Jiawang Hong, Xueyun Wang, Yanyu Liu","submitted_at":"2018-05-18T04:10:02Z","abstract_excerpt":"Recently, the observation of atomic thin film SnTe with a Curie temperature (Tc) higher than that of the bulk (Chang et. al., Science 353, 274 (2016)) has boosted the research on two-dimensional (2D) ferroic materials tremendously. However, the origin of such phenomenon has yet been thoroughly investigated, which hinder the understanding and design of novel materials with ferroic orders at 2D limit. By using the density functional theory, we investigated the structural and ferroelectrical properties of 2D SnTe, to reveal the thickness dependence. The calculated results demonstrate that the 2D "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1805.07041","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":"2026-05-17T23:39:32Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"sVyrEXmnBog3nEMTpKGr0bmUJ8XCLLEj/DPyNNKI6HWIkNpm2uq2SKSSJ5nou+wBDrxNtmg4EwaKej87SLhZBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-31T16:51:38.658646Z"},"content_sha256":"fa82acb21c53f50a3dc94d50338036b6343d9786fab33d5944616139b5c1e299","schema_version":"1.0","event_id":"sha256:fa82acb21c53f50a3dc94d50338036b6343d9786fab33d5944616139b5c1e299"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/KBPCYVGIKOFJ462MA2B7XQQDPP/bundle.json","state_url":"https://pith.science/pith/KBPCYVGIKOFJ462MA2B7XQQDPP/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/KBPCYVGIKOFJ462MA2B7XQQDPP/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":"2026-05-31T16:51:38Z","links":{"resolver":"https://pith.science/pith/KBPCYVGIKOFJ462MA2B7XQQDPP","bundle":"https://pith.science/pith/KBPCYVGIKOFJ462MA2B7XQQDPP/bundle.json","state":"https://pith.science/pith/KBPCYVGIKOFJ462MA2B7XQQDPP/state.json","well_known_bundle":"https://pith.science/.well-known/pith/KBPCYVGIKOFJ462MA2B7XQQDPP/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:KBPCYVGIKOFJ462MA2B7XQQDPP","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":"c5a0ed4db2df6891e77aebe3af84a0c00e8607fbca20deadd81f2eb68e0981b2","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2018-05-18T04:10:02Z","title_canon_sha256":"f038747d2733ab1746ff30865fa88ab06c2ce2f25d1c64b9c795c5209e52b4af"},"schema_version":"1.0","source":{"id":"1805.07041","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1805.07041","created_at":"2026-05-17T23:39:32Z"},{"alias_kind":"arxiv_version","alias_value":"1805.07041v1","created_at":"2026-05-17T23:39:32Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1805.07041","created_at":"2026-05-17T23:39:32Z"},{"alias_kind":"pith_short_12","alias_value":"KBPCYVGIKOFJ","created_at":"2026-05-18T12:32:33Z"},{"alias_kind":"pith_short_16","alias_value":"KBPCYVGIKOFJ462M","created_at":"2026-05-18T12:32:33Z"},{"alias_kind":"pith_short_8","alias_value":"KBPCYVGI","created_at":"2026-05-18T12:32:33Z"}],"graph_snapshots":[{"event_id":"sha256:fa82acb21c53f50a3dc94d50338036b6343d9786fab33d5944616139b5c1e299","target":"graph","created_at":"2026-05-17T23:39:32Z","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":"Recently, the observation of atomic thin film SnTe with a Curie temperature (Tc) higher than that of the bulk (Chang et. al., Science 353, 274 (2016)) has boosted the research on two-dimensional (2D) ferroic materials tremendously. However, the origin of such phenomenon has yet been thoroughly investigated, which hinder the understanding and design of novel materials with ferroic orders at 2D limit. By using the density functional theory, we investigated the structural and ferroelectrical properties of 2D SnTe, to reveal the thickness dependence. The calculated results demonstrate that the 2D ","authors_text":"Chao Yang, Gang Tang, Jiawang Hong, Xueyun Wang, Yanyu Liu","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2018-05-18T04:10:02Z","title":"Non-monotonic thickness dependence of Curie temperature and ferroelectricity in Two-dimensional SnTe film"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1805.07041","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:f4b694c413e89ad67ec732a57354bed2db4a48e1e24297dc1a9e4ca9a7868a59","target":"record","created_at":"2026-05-17T23:39:32Z","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":"c5a0ed4db2df6891e77aebe3af84a0c00e8607fbca20deadd81f2eb68e0981b2","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2018-05-18T04:10:02Z","title_canon_sha256":"f038747d2733ab1746ff30865fa88ab06c2ce2f25d1c64b9c795c5209e52b4af"},"schema_version":"1.0","source":{"id":"1805.07041","kind":"arxiv","version":1}},"canonical_sha256":"505e2c54c8538a9e7b4c0683fbc2037bd60d3beeb205763356b1de487e109dd8","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"505e2c54c8538a9e7b4c0683fbc2037bd60d3beeb205763356b1de487e109dd8","first_computed_at":"2026-05-17T23:39:32.359557Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-17T23:39:32.359557Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"2GMPYfpO+9KMKdDIu7M7xWS469oHqXoNyuEEeYcB9CZjdAIdfpjdbAozGJditGiqflBSFked0Wa05MI49SJQDw==","signature_status":"signed_v1","signed_at":"2026-05-17T23:39:32.360194Z","signed_message":"canonical_sha256_bytes"},"source_id":"1805.07041","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:f4b694c413e89ad67ec732a57354bed2db4a48e1e24297dc1a9e4ca9a7868a59","sha256:fa82acb21c53f50a3dc94d50338036b6343d9786fab33d5944616139b5c1e299"],"state_sha256":"97fb25827224a928b6ce12e47f5ae8ec94524e5fbdfaac7b5a98250fa85b21d5"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"xB8KhnD9OHNPqlKN+OXHoPXCBP+3eZBOK90KadajhyQJZyaDownOZhPTR0RRFlwrrVh2LeGIToiY2EXgqCK5BA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-31T16:51:38.664567Z","bundle_sha256":"9ad1905405edf0e1aae9d0a006538fff7fb2dca345fb7d32cabbe52b823ef447"}}