{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2018:KF45ZPCOZER3JKX4AHGSAPP36I","short_pith_number":"pith:KF45ZPCO","canonical_record":{"source":{"id":"1803.03459","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2018-03-09T10:44:59Z","cross_cats_sorted":[],"title_canon_sha256":"91150fb0324631e8d9b8e7938cdac97d581a8f1063b81c1a3893d2bedfa35dc6","abstract_canon_sha256":"75331f5406533caccbda19980114c77c44b13f4e64bd4e28602f6f805c64ec88"},"schema_version":"1.0"},"canonical_sha256":"5179dcbc4ec923b4aafc01cd203dfbf220d252bc53c88c725d1d1752703c0c0b","source":{"kind":"arxiv","id":"1803.03459","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1803.03459","created_at":"2026-07-05T01:34:03Z"},{"alias_kind":"arxiv_version","alias_value":"1803.03459v1","created_at":"2026-07-05T01:34:03Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1803.03459","created_at":"2026-07-05T01:34:03Z"},{"alias_kind":"pith_short_12","alias_value":"KF45ZPCOZER3","created_at":"2026-07-05T01:34:03Z"},{"alias_kind":"pith_short_16","alias_value":"KF45ZPCOZER3JKX4","created_at":"2026-07-05T01:34:03Z"},{"alias_kind":"pith_short_8","alias_value":"KF45ZPCO","created_at":"2026-07-05T01:34:03Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2018:KF45ZPCOZER3JKX4AHGSAPP36I","target":"record","payload":{"canonical_record":{"source":{"id":"1803.03459","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2018-03-09T10:44:59Z","cross_cats_sorted":[],"title_canon_sha256":"91150fb0324631e8d9b8e7938cdac97d581a8f1063b81c1a3893d2bedfa35dc6","abstract_canon_sha256":"75331f5406533caccbda19980114c77c44b13f4e64bd4e28602f6f805c64ec88"},"schema_version":"1.0"},"canonical_sha256":"5179dcbc4ec923b4aafc01cd203dfbf220d252bc53c88c725d1d1752703c0c0b","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T01:34:03.330416Z","signature_b64":"FZCOyCnJCa+JNS+IU84RqVMTZMViYdS7V23x4qhli9Zx+AnaxuRToz+6KJD5lj6pIU9/z2vwD6nrRsbb5GVCCQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"5179dcbc4ec923b4aafc01cd203dfbf220d252bc53c88c725d1d1752703c0c0b","last_reissued_at":"2026-07-05T01:34:03.329894Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T01:34:03.329894Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1803.03459","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":"2026-07-05T01:34:03Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"g31+1GVsSvNh0Fhow5BzY0fnG0tJEz8EmTHKiQmw6iPKzwNUtn1t4SMaBIURtmd8FScP7vLkY5nDddPnbsDHDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-05T14:03:22.473551Z"},"content_sha256":"5afec917d389900a5a90a06d0becf1825f994f90e6ce4ad4ca0de75251efcb16","schema_version":"1.0","event_id":"sha256:5afec917d389900a5a90a06d0becf1825f994f90e6ce4ad4ca0de75251efcb16"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2018:KF45ZPCOZER3JKX4AHGSAPP36I","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Two-dimensional Boron Monosulfides: Semiconducting and Metallic Polymorphs","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mtrl-sci","authors_text":"Chuncheng Yang, Dong Fan, Shaohua Lu, Xiaojun Hu","submitted_at":"2018-03-09T10:44:59Z","abstract_excerpt":"The typical two-dimensional semiconductors, group \\uppercase\\expandafter{\\romannumeral3A} chalcogenides, have garnered tremendous interest for their outstanding electronic, mechanical, and chemical properties. However, so far, there have been almost no reports on boron monosulfides (BS) binary material. Here, four two-dimensional BS sheets, namely the $\\alpha$-, $\\beta$-, $\\gamma$-, and $\\delta$-BS sheets, are proposed and discussed from $\\emph{ab initio}$ calculations. State-of-the-art first-principles calculations reveal all these structures are thermally and dynamically stable, indicating t"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1803.03459","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/1803.03459/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":"2026-07-05T01:34:03Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"1JFGAtk9ws/QkCCPsOiofMaEcNCFiTWWkNF6XEriWwQX7KWYgqdqVsKMOgAu5aW0Xq+P1w2snoPMA94YwVVUCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-05T14:03:22.475759Z"},"content_sha256":"194cb8742545c64007b6a76b99f50576425617eaa0a0a28eda375834bbb43351","schema_version":"1.0","event_id":"sha256:194cb8742545c64007b6a76b99f50576425617eaa0a0a28eda375834bbb43351"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/KF45ZPCOZER3JKX4AHGSAPP36I/bundle.json","state_url":"https://pith.science/pith/KF45ZPCOZER3JKX4AHGSAPP36I/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/KF45ZPCOZER3JKX4AHGSAPP36I/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":"2026-08-05T14:03:22Z","links":{"resolver":"https://pith.science/pith/KF45ZPCOZER3JKX4AHGSAPP36I","bundle":"https://pith.science/pith/KF45ZPCOZER3JKX4AHGSAPP36I/bundle.json","state":"https://pith.science/pith/KF45ZPCOZER3JKX4AHGSAPP36I/state.json","well_known_bundle":"https://pith.science/.well-known/pith/KF45ZPCOZER3JKX4AHGSAPP36I/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:KF45ZPCOZER3JKX4AHGSAPP36I","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":"75331f5406533caccbda19980114c77c44b13f4e64bd4e28602f6f805c64ec88","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2018-03-09T10:44:59Z","title_canon_sha256":"91150fb0324631e8d9b8e7938cdac97d581a8f1063b81c1a3893d2bedfa35dc6"},"schema_version":"1.0","source":{"id":"1803.03459","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1803.03459","created_at":"2026-07-05T01:34:03Z"},{"alias_kind":"arxiv_version","alias_value":"1803.03459v1","created_at":"2026-07-05T01:34:03Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1803.03459","created_at":"2026-07-05T01:34:03Z"},{"alias_kind":"pith_short_12","alias_value":"KF45ZPCOZER3","created_at":"2026-07-05T01:34:03Z"},{"alias_kind":"pith_short_16","alias_value":"KF45ZPCOZER3JKX4","created_at":"2026-07-05T01:34:03Z"},{"alias_kind":"pith_short_8","alias_value":"KF45ZPCO","created_at":"2026-07-05T01:34:03Z"}],"graph_snapshots":[{"event_id":"sha256:194cb8742545c64007b6a76b99f50576425617eaa0a0a28eda375834bbb43351","target":"graph","created_at":"2026-07-05T01:34:03Z","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/1803.03459/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"The typical two-dimensional semiconductors, group \\uppercase\\expandafter{\\romannumeral3A} chalcogenides, have garnered tremendous interest for their outstanding electronic, mechanical, and chemical properties. However, so far, there have been almost no reports on boron monosulfides (BS) binary material. Here, four two-dimensional BS sheets, namely the $\\alpha$-, $\\beta$-, $\\gamma$-, and $\\delta$-BS sheets, are proposed and discussed from $\\emph{ab initio}$ calculations. State-of-the-art first-principles calculations reveal all these structures are thermally and dynamically stable, indicating t","authors_text":"Chuncheng Yang, Dong Fan, Shaohua Lu, Xiaojun Hu","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2018-03-09T10:44:59Z","title":"Two-dimensional Boron Monosulfides: Semiconducting and Metallic Polymorphs"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1803.03459","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":"sha256:5afec917d389900a5a90a06d0becf1825f994f90e6ce4ad4ca0de75251efcb16","target":"record","created_at":"2026-07-05T01:34:03Z","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":"75331f5406533caccbda19980114c77c44b13f4e64bd4e28602f6f805c64ec88","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2018-03-09T10:44:59Z","title_canon_sha256":"91150fb0324631e8d9b8e7938cdac97d581a8f1063b81c1a3893d2bedfa35dc6"},"schema_version":"1.0","source":{"id":"1803.03459","kind":"arxiv","version":1}},"canonical_sha256":"5179dcbc4ec923b4aafc01cd203dfbf220d252bc53c88c725d1d1752703c0c0b","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"5179dcbc4ec923b4aafc01cd203dfbf220d252bc53c88c725d1d1752703c0c0b","first_computed_at":"2026-07-05T01:34:03.329894Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T01:34:03.329894Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"FZCOyCnJCa+JNS+IU84RqVMTZMViYdS7V23x4qhli9Zx+AnaxuRToz+6KJD5lj6pIU9/z2vwD6nrRsbb5GVCCQ==","signature_status":"signed_v1","signed_at":"2026-07-05T01:34:03.330416Z","signed_message":"canonical_sha256_bytes"},"source_id":"1803.03459","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:5afec917d389900a5a90a06d0becf1825f994f90e6ce4ad4ca0de75251efcb16","sha256:194cb8742545c64007b6a76b99f50576425617eaa0a0a28eda375834bbb43351"],"state_sha256":"d319b375d51d16caee34a957f4df8cf316daae11a68c3cb8fa7b7e6da415945d"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"HRLSAagtTSnFspMpO22BpdoVVWyLdTuehpkXqKgphrhaPpxSXoy1QFy/l16knbLg/GEMKLhcCqpXUMK+rnSoCQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-05T14:03:22.485294Z","bundle_sha256":"acd33e7039803f444466dc4e44e3410643b2ec319de874a61acc8d44313de46c"}}