{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2016:AJVWX2U3TBYKWLDHLT6N4HTJ4M","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":"01f36b92052cc2a553b0b99eba864c80f677e8ebfdcec50dcec9ff22e5bac84c","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2016-03-06T06:12:12Z","title_canon_sha256":"f08d1eda37c40e7a543a0e83e85b7e7fc343099d653250d2754abe4ce135f09e"},"schema_version":"1.0","source":{"id":"1603.01791","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1603.01791","created_at":"2026-05-18T01:19:33Z"},{"alias_kind":"arxiv_version","alias_value":"1603.01791v1","created_at":"2026-05-18T01:19:33Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1603.01791","created_at":"2026-05-18T01:19:33Z"},{"alias_kind":"pith_short_12","alias_value":"AJVWX2U3TBYK","created_at":"2026-05-18T12:30:07Z"},{"alias_kind":"pith_short_16","alias_value":"AJVWX2U3TBYKWLDH","created_at":"2026-05-18T12:30:07Z"},{"alias_kind":"pith_short_8","alias_value":"AJVWX2U3","created_at":"2026-05-18T12:30:07Z"}],"graph_snapshots":[{"event_id":"sha256:5da97402b10d67fb5c2ea285ba6cfbae2262210b9dc2f30b1f376e89b525ff9f","target":"graph","created_at":"2026-05-18T01:19:33Z","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":"By means of first-principles calculations, we explore systematically the geometric, electronic and piezoelectric properties of multilayer SnSe. We find that these properties are layer-dependent, indicating that the interlayer interaction plays an important role. With increasing the number of SnSe layers from 1 to 6, we observe that the lattice constant decreases from 4.27 $\\mathring{A}$ to 4.22 $\\mathring{A}$ along zigzag direction, and increases from 4.41 $\\mathring{A}$ to 4.51 $\\mathring{A}$ along armchair direction close to the bulk limit (4.21 $\\mathring{A}$ and 4.52 $\\mathring{A}$, respec","authors_text":"Gang Su, Guangzhao Qin, Li-Chuan Zhang, Qing-Bo Yan, Qing-Rong Zheng, Wuzhang Fang","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2016-03-06T06:12:12Z","title":"Layer dependence of geometric, electronic and piezoelectric properties of SnSe"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1603.01791","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:b268e91e6290755cb39bb4fdb430b08f873643c3264191486859627f6ba7aa07","target":"record","created_at":"2026-05-18T01:19:33Z","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":"01f36b92052cc2a553b0b99eba864c80f677e8ebfdcec50dcec9ff22e5bac84c","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2016-03-06T06:12:12Z","title_canon_sha256":"f08d1eda37c40e7a543a0e83e85b7e7fc343099d653250d2754abe4ce135f09e"},"schema_version":"1.0","source":{"id":"1603.01791","kind":"arxiv","version":1}},"canonical_sha256":"026b6bea9b9870ab2c675cfcde1e69e3136c675d40af2c73708909b93e13208d","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"026b6bea9b9870ab2c675cfcde1e69e3136c675d40af2c73708909b93e13208d","first_computed_at":"2026-05-18T01:19:33.650936Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:19:33.650936Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"Veb+LoQ2SulXi2lIEPvhsrijqBmDp82suVMnZ14UM2Uw74fK1vGmMhNGe06rQFMuk5hJSSc0Zma38DJTqqO0Dg==","signature_status":"signed_v1","signed_at":"2026-05-18T01:19:33.651394Z","signed_message":"canonical_sha256_bytes"},"source_id":"1603.01791","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:b268e91e6290755cb39bb4fdb430b08f873643c3264191486859627f6ba7aa07","sha256:5da97402b10d67fb5c2ea285ba6cfbae2262210b9dc2f30b1f376e89b525ff9f"],"state_sha256":"ae88a6d8f4fee071871d455b3049541949a719a95988d91dc7ddd8ec2a00f1cb"}