{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2017:NTDOOXJIDU4GDQXXX65FFUPFBR","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":"c51be9a4d9b994b1c02ac5548d7ccbf6cf17078e384b59896a0bce9364a127a8","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2017-01-23T07:41:26Z","title_canon_sha256":"a1b190f1184f28769c31dd7c92f22fc663f72f22711243513fa1dc60af149997"},"schema_version":"1.0","source":{"id":"1701.06285","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1701.06285","created_at":"2026-05-18T00:51:24Z"},{"alias_kind":"arxiv_version","alias_value":"1701.06285v2","created_at":"2026-05-18T00:51:24Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1701.06285","created_at":"2026-05-18T00:51:24Z"},{"alias_kind":"pith_short_12","alias_value":"NTDOOXJIDU4G","created_at":"2026-05-18T12:31:34Z"},{"alias_kind":"pith_short_16","alias_value":"NTDOOXJIDU4GDQXX","created_at":"2026-05-18T12:31:34Z"},{"alias_kind":"pith_short_8","alias_value":"NTDOOXJI","created_at":"2026-05-18T12:31:34Z"}],"graph_snapshots":[{"event_id":"sha256:b9982d436b247068264245df29ce8e398fc603116a87fd9840480bf71ae3cde4","target":"graph","created_at":"2026-05-18T00:51:24Z","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":"Monochalcogenides of germanium (or tin) are considered as stable isoelectronic and isostructural analogue of black phosphorous. Their two-dimensional (2D) forms have been just predicted to shown strong thickness-dependent physical properties, and even indirect to direct band gap crossover at the monolayer limit. Here, we demonstrate the synthesis of atomically thin GeSe by direct sonication-assisted exfoliation of bulk microcrystalline powders in solvents. The exfoliated few-layer GeSe sheets characterize high crystallinity with lateral sizes over 100 nm and, importantly, strong resistance aga","authors_text":"Chang Liu, Jianrong Qiu, Junjie Wang, Qiangbing Guo, Xiaofeng Liu, Yi Liu, Yuting Ye","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2017-01-23T07:41:26Z","title":"Sonication-assisted synthesis of semiconducting atomic crystals of germanium monoselenide: An isostructural and isoelectronic analog of black phosphorous"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1701.06285","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":"sha256:8eece73fa358c39dafe6c9c856041959232dabe08707625990672d9091824de3","target":"record","created_at":"2026-05-18T00:51:24Z","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":"c51be9a4d9b994b1c02ac5548d7ccbf6cf17078e384b59896a0bce9364a127a8","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2017-01-23T07:41:26Z","title_canon_sha256":"a1b190f1184f28769c31dd7c92f22fc663f72f22711243513fa1dc60af149997"},"schema_version":"1.0","source":{"id":"1701.06285","kind":"arxiv","version":2}},"canonical_sha256":"6cc6e75d281d3861c2f7bfba52d1e50c464a70f35061b835929a5361fd65a373","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"6cc6e75d281d3861c2f7bfba52d1e50c464a70f35061b835929a5361fd65a373","first_computed_at":"2026-05-18T00:51:24.665755Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:51:24.665755Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"1bp6uu7F809tzuqvt9j7FD2AGOh4oirm5Z0Db4zMD8IJo3+cN/lD4bLwUgJ2r1ubWn7MKCUdH4uvhES1en9LDw==","signature_status":"signed_v1","signed_at":"2026-05-18T00:51:24.666415Z","signed_message":"canonical_sha256_bytes"},"source_id":"1701.06285","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:8eece73fa358c39dafe6c9c856041959232dabe08707625990672d9091824de3","sha256:b9982d436b247068264245df29ce8e398fc603116a87fd9840480bf71ae3cde4"],"state_sha256":"8c7f757a18239ce189ccf5a27f68fb570dae3810a6f3b9f0e4c49559314d0b73"}