{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2018:KS6NGHYYBY5TCGSK36EKF2E7WN","short_pith_number":"pith:KS6NGHYY","canonical_record":{"source":{"id":"1812.04927","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2018-12-12T13:09:43Z","cross_cats_sorted":["cond-mat.mes-hall","cond-mat.supr-con"],"title_canon_sha256":"a30b2e7516b217d2f309faa01eada9e026737459d76f7d60010c8e339b882a58","abstract_canon_sha256":"64ddb40aee8568c6dbcd7f35d7d094adf8f582dc08349c4d46b115d30c71f82b"},"schema_version":"1.0"},"canonical_sha256":"54bcd31f180e3b311a4adf88a2e89fb376a0b13d888aa8375148717670aedf2e","source":{"kind":"arxiv","id":"1812.04927","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1812.04927","created_at":"2026-05-17T23:57:19Z"},{"alias_kind":"arxiv_version","alias_value":"1812.04927v1","created_at":"2026-05-17T23:57:19Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1812.04927","created_at":"2026-05-17T23:57:19Z"},{"alias_kind":"pith_short_12","alias_value":"KS6NGHYYBY5T","created_at":"2026-05-18T12:32:33Z"},{"alias_kind":"pith_short_16","alias_value":"KS6NGHYYBY5TCGSK","created_at":"2026-05-18T12:32:33Z"},{"alias_kind":"pith_short_8","alias_value":"KS6NGHYY","created_at":"2026-05-18T12:32:33Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2018:KS6NGHYYBY5TCGSK36EKF2E7WN","target":"record","payload":{"canonical_record":{"source":{"id":"1812.04927","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2018-12-12T13:09:43Z","cross_cats_sorted":["cond-mat.mes-hall","cond-mat.supr-con"],"title_canon_sha256":"a30b2e7516b217d2f309faa01eada9e026737459d76f7d60010c8e339b882a58","abstract_canon_sha256":"64ddb40aee8568c6dbcd7f35d7d094adf8f582dc08349c4d46b115d30c71f82b"},"schema_version":"1.0"},"canonical_sha256":"54bcd31f180e3b311a4adf88a2e89fb376a0b13d888aa8375148717670aedf2e","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:57:19.051474Z","signature_b64":"E+wNuovHI52CF4egEBQokAsBRD4JpYGZn4KXtdEPJLJLz0R4X6JisXDdeSlPHhqRQ6RyOgf6oNPWvNLPfDnZBA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"54bcd31f180e3b311a4adf88a2e89fb376a0b13d888aa8375148717670aedf2e","last_reissued_at":"2026-05-17T23:57:19.050783Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:57:19.050783Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1812.04927","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":"2026-05-17T23:57:19Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Cqvk6ev79CDEEf0mcHCHCGcuWGEvEjE/JdxdDqPze3TgvF8qlAMhbnwW5a3BFTwdb0KRZAKr6ZXvY3cBZLUNAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-19T17:48:29.009838Z"},"content_sha256":"8259b7bceb932e830a40a086763d25626c34dc43a844cbd0103c2e5cf6ceda34","schema_version":"1.0","event_id":"sha256:8259b7bceb932e830a40a086763d25626c34dc43a844cbd0103c2e5cf6ceda34"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2018:KS6NGHYYBY5TCGSK36EKF2E7WN","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Protective layer enhanced the stability and superconductivity of tailored antimonene bilayer","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.mes-hall","cond-mat.supr-con"],"primary_cat":"cond-mat.mtrl-sci","authors_text":"Jun-Jie Zhang, Shuai Dong, Yang Zhang","submitted_at":"2018-12-12T13:09:43Z","abstract_excerpt":"For two-dimensional superconductors, the high stability in ambient conditions is critical for experiments and applications. Few-layer antimonene can be non-degradative over a couple of months, which is superior to the akin black phosphorus. Based on the anisotropic Migdal-Eliashberg theory and maximally-localised Wannier functions, this work predicts that electron-doping and Ca-intercalation can transform $\\beta$-Sb bilayer from a semimetal to a superconductor. However, the stability of antimonene bilayer in air trends to be decreased due to the electron doping. To overcome this drawback, two "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1812.04927","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":"2026-05-17T23:57:19Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"xH8c6hI/T3LGKAFPAqxW/Vi9Z2qMipu9vzaZk/B2hDLKxVFje1G8dAFzYm4M1HDYkLL3AgybxO4uaxJu6WolAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-19T17:48:29.010538Z"},"content_sha256":"3f6d87ecebda53fed9e0c0ffb7b8212012444c6b3a571134aa278318e19652d4","schema_version":"1.0","event_id":"sha256:3f6d87ecebda53fed9e0c0ffb7b8212012444c6b3a571134aa278318e19652d4"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/KS6NGHYYBY5TCGSK36EKF2E7WN/bundle.json","state_url":"https://pith.science/pith/KS6NGHYYBY5TCGSK36EKF2E7WN/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/KS6NGHYYBY5TCGSK36EKF2E7WN/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":"2026-05-19T17:48:29Z","links":{"resolver":"https://pith.science/pith/KS6NGHYYBY5TCGSK36EKF2E7WN","bundle":"https://pith.science/pith/KS6NGHYYBY5TCGSK36EKF2E7WN/bundle.json","state":"https://pith.science/pith/KS6NGHYYBY5TCGSK36EKF2E7WN/state.json","well_known_bundle":"https://pith.science/.well-known/pith/KS6NGHYYBY5TCGSK36EKF2E7WN/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:KS6NGHYYBY5TCGSK36EKF2E7WN","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":"64ddb40aee8568c6dbcd7f35d7d094adf8f582dc08349c4d46b115d30c71f82b","cross_cats_sorted":["cond-mat.mes-hall","cond-mat.supr-con"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2018-12-12T13:09:43Z","title_canon_sha256":"a30b2e7516b217d2f309faa01eada9e026737459d76f7d60010c8e339b882a58"},"schema_version":"1.0","source":{"id":"1812.04927","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1812.04927","created_at":"2026-05-17T23:57:19Z"},{"alias_kind":"arxiv_version","alias_value":"1812.04927v1","created_at":"2026-05-17T23:57:19Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1812.04927","created_at":"2026-05-17T23:57:19Z"},{"alias_kind":"pith_short_12","alias_value":"KS6NGHYYBY5T","created_at":"2026-05-18T12:32:33Z"},{"alias_kind":"pith_short_16","alias_value":"KS6NGHYYBY5TCGSK","created_at":"2026-05-18T12:32:33Z"},{"alias_kind":"pith_short_8","alias_value":"KS6NGHYY","created_at":"2026-05-18T12:32:33Z"}],"graph_snapshots":[{"event_id":"sha256:3f6d87ecebda53fed9e0c0ffb7b8212012444c6b3a571134aa278318e19652d4","target":"graph","created_at":"2026-05-17T23:57:19Z","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":"For two-dimensional superconductors, the high stability in ambient conditions is critical for experiments and applications. Few-layer antimonene can be non-degradative over a couple of months, which is superior to the akin black phosphorus. Based on the anisotropic Migdal-Eliashberg theory and maximally-localised Wannier functions, this work predicts that electron-doping and Ca-intercalation can transform $\\beta$-Sb bilayer from a semimetal to a superconductor. However, the stability of antimonene bilayer in air trends to be decreased due to the electron doping. To overcome this drawback, two ","authors_text":"Jun-Jie Zhang, Shuai Dong, Yang Zhang","cross_cats":["cond-mat.mes-hall","cond-mat.supr-con"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2018-12-12T13:09:43Z","title":"Protective layer enhanced the stability and superconductivity of tailored antimonene bilayer"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1812.04927","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":"sha256:8259b7bceb932e830a40a086763d25626c34dc43a844cbd0103c2e5cf6ceda34","target":"record","created_at":"2026-05-17T23:57:19Z","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":"64ddb40aee8568c6dbcd7f35d7d094adf8f582dc08349c4d46b115d30c71f82b","cross_cats_sorted":["cond-mat.mes-hall","cond-mat.supr-con"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2018-12-12T13:09:43Z","title_canon_sha256":"a30b2e7516b217d2f309faa01eada9e026737459d76f7d60010c8e339b882a58"},"schema_version":"1.0","source":{"id":"1812.04927","kind":"arxiv","version":1}},"canonical_sha256":"54bcd31f180e3b311a4adf88a2e89fb376a0b13d888aa8375148717670aedf2e","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"54bcd31f180e3b311a4adf88a2e89fb376a0b13d888aa8375148717670aedf2e","first_computed_at":"2026-05-17T23:57:19.050783Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-17T23:57:19.050783Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"E+wNuovHI52CF4egEBQokAsBRD4JpYGZn4KXtdEPJLJLz0R4X6JisXDdeSlPHhqRQ6RyOgf6oNPWvNLPfDnZBA==","signature_status":"signed_v1","signed_at":"2026-05-17T23:57:19.051474Z","signed_message":"canonical_sha256_bytes"},"source_id":"1812.04927","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:8259b7bceb932e830a40a086763d25626c34dc43a844cbd0103c2e5cf6ceda34","sha256:3f6d87ecebda53fed9e0c0ffb7b8212012444c6b3a571134aa278318e19652d4"],"state_sha256":"00dfc25fa39dee3f9b8ccca9b984bfc68b8e56f496e1dfe5264114cbf8974ae2"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"qOi7nFFOplZWO6iblxynyy1k3GF5tWzS3L82G8n2WL6kaCxijZCzMzbmPXObnMJ54bkTP4eb6q2AAFoyYKe6CA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-19T17:48:29.014025Z","bundle_sha256":"020eea3c107cd727adec3bb94da8881d7dd30b97a4190181f6b36d4abe2e0725"}}