{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2018:4FDM3X2H4IKBX55VBFN4IBXG3E","short_pith_number":"pith:4FDM3X2H","canonical_record":{"source":{"id":"1807.02652","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2018-07-07T12:11:47Z","cross_cats_sorted":[],"title_canon_sha256":"82825d05cf7a0ce267c6da88dd48d1b696e61c5463f3da6490153358c7cd98b2","abstract_canon_sha256":"0225bc802fa9362f163c6f6338d28b96f18163171d6cdfc593278362d139798d"},"schema_version":"1.0"},"canonical_sha256":"e146cddf47e2141bf7b5095bc406e6d92eef1edfeb9d1d8bd7cca5e8d84dc17e","source":{"kind":"arxiv","id":"1807.02652","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1807.02652","created_at":"2026-05-17T23:57:40Z"},{"alias_kind":"arxiv_version","alias_value":"1807.02652v1","created_at":"2026-05-17T23:57:40Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1807.02652","created_at":"2026-05-17T23:57:40Z"},{"alias_kind":"pith_short_12","alias_value":"4FDM3X2H4IKB","created_at":"2026-05-18T12:32:05Z"},{"alias_kind":"pith_short_16","alias_value":"4FDM3X2H4IKBX55V","created_at":"2026-05-18T12:32:05Z"},{"alias_kind":"pith_short_8","alias_value":"4FDM3X2H","created_at":"2026-05-18T12:32:05Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2018:4FDM3X2H4IKBX55VBFN4IBXG3E","target":"record","payload":{"canonical_record":{"source":{"id":"1807.02652","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2018-07-07T12:11:47Z","cross_cats_sorted":[],"title_canon_sha256":"82825d05cf7a0ce267c6da88dd48d1b696e61c5463f3da6490153358c7cd98b2","abstract_canon_sha256":"0225bc802fa9362f163c6f6338d28b96f18163171d6cdfc593278362d139798d"},"schema_version":"1.0"},"canonical_sha256":"e146cddf47e2141bf7b5095bc406e6d92eef1edfeb9d1d8bd7cca5e8d84dc17e","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:57:40.911904Z","signature_b64":"CFuagSaQOg4yNrGxdySPoA7RRX8dYsd+BxOmp5FwXFpTlazhpPvzv5POQqIcqONJ0n6ZRb+LSrVRLOzbvEw8BA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"e146cddf47e2141bf7b5095bc406e6d92eef1edfeb9d1d8bd7cca5e8d84dc17e","last_reissued_at":"2026-05-17T23:57:40.911351Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:57:40.911351Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1807.02652","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":"2026-05-17T23:57:40Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ocyvgXuN/ku38SglMQtmOsBac/SrCbJc3JqTZegF5lUJZldxN3OrRC07j9ukReuGVtZp91cG+dm6flvCUVXwCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T06:19:17.192097Z"},"content_sha256":"db5e791556db68baab99d26d84b3f444a59404d5037eb4358c20dbe4224a80b4","schema_version":"1.0","event_id":"sha256:db5e791556db68baab99d26d84b3f444a59404d5037eb4358c20dbe4224a80b4"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2018:4FDM3X2H4IKBX55VBFN4IBXG3E","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Theoretical investigation on the ferromagnetic two-dimensional scandium monochloride sheet that has a high Curie temperature and could be exfoliated from a known material","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mtrl-sci","authors_text":"Guo Wang, Xinyu Wang, Yi Liao","submitted_at":"2018-07-07T12:11:47Z","abstract_excerpt":"A two-dimensional scandium monochloride sheet was investigated by using density functional theory. It could be exfoliated from a known bulk material with a cleavage energy slightly lower than that of graphene. The sheet has a ferromagnetic ground state with a Curie temperature of 100 K. Moreover, the sheet becomes a half-metal under hole doping. The Curie temperature increases to 250 K with the doping amount of 0.4 per primitive cell, which is close to the ice point. The two-dimensional scandium monochloride sheet should be a good candidate for two-dimensional spintronics."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1807.02652","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":"2026-05-17T23:57:40Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"I+KjGhvNiOuoqIR+rk7rrsBoQyadUCb8vZqfnX5UWtlFKCsaTcqxkDDSF5bxy+8kjmqqMP/OTuf896Qm9KSiCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T06:19:17.192462Z"},"content_sha256":"a64c3ce6de970218edb7dac0bc1f0851792234dee5a8ff8b17b3524a19e7d9bd","schema_version":"1.0","event_id":"sha256:a64c3ce6de970218edb7dac0bc1f0851792234dee5a8ff8b17b3524a19e7d9bd"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/4FDM3X2H4IKBX55VBFN4IBXG3E/bundle.json","state_url":"https://pith.science/pith/4FDM3X2H4IKBX55VBFN4IBXG3E/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/4FDM3X2H4IKBX55VBFN4IBXG3E/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":"2026-05-28T06:19:17Z","links":{"resolver":"https://pith.science/pith/4FDM3X2H4IKBX55VBFN4IBXG3E","bundle":"https://pith.science/pith/4FDM3X2H4IKBX55VBFN4IBXG3E/bundle.json","state":"https://pith.science/pith/4FDM3X2H4IKBX55VBFN4IBXG3E/state.json","well_known_bundle":"https://pith.science/.well-known/pith/4FDM3X2H4IKBX55VBFN4IBXG3E/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:4FDM3X2H4IKBX55VBFN4IBXG3E","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":"0225bc802fa9362f163c6f6338d28b96f18163171d6cdfc593278362d139798d","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2018-07-07T12:11:47Z","title_canon_sha256":"82825d05cf7a0ce267c6da88dd48d1b696e61c5463f3da6490153358c7cd98b2"},"schema_version":"1.0","source":{"id":"1807.02652","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1807.02652","created_at":"2026-05-17T23:57:40Z"},{"alias_kind":"arxiv_version","alias_value":"1807.02652v1","created_at":"2026-05-17T23:57:40Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1807.02652","created_at":"2026-05-17T23:57:40Z"},{"alias_kind":"pith_short_12","alias_value":"4FDM3X2H4IKB","created_at":"2026-05-18T12:32:05Z"},{"alias_kind":"pith_short_16","alias_value":"4FDM3X2H4IKBX55V","created_at":"2026-05-18T12:32:05Z"},{"alias_kind":"pith_short_8","alias_value":"4FDM3X2H","created_at":"2026-05-18T12:32:05Z"}],"graph_snapshots":[{"event_id":"sha256:a64c3ce6de970218edb7dac0bc1f0851792234dee5a8ff8b17b3524a19e7d9bd","target":"graph","created_at":"2026-05-17T23:57:40Z","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":"A two-dimensional scandium monochloride sheet was investigated by using density functional theory. It could be exfoliated from a known bulk material with a cleavage energy slightly lower than that of graphene. The sheet has a ferromagnetic ground state with a Curie temperature of 100 K. Moreover, the sheet becomes a half-metal under hole doping. The Curie temperature increases to 250 K with the doping amount of 0.4 per primitive cell, which is close to the ice point. The two-dimensional scandium monochloride sheet should be a good candidate for two-dimensional spintronics.","authors_text":"Guo Wang, Xinyu Wang, Yi Liao","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2018-07-07T12:11:47Z","title":"Theoretical investigation on the ferromagnetic two-dimensional scandium monochloride sheet that has a high Curie temperature and could be exfoliated from a known material"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1807.02652","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:db5e791556db68baab99d26d84b3f444a59404d5037eb4358c20dbe4224a80b4","target":"record","created_at":"2026-05-17T23:57:40Z","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":"0225bc802fa9362f163c6f6338d28b96f18163171d6cdfc593278362d139798d","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2018-07-07T12:11:47Z","title_canon_sha256":"82825d05cf7a0ce267c6da88dd48d1b696e61c5463f3da6490153358c7cd98b2"},"schema_version":"1.0","source":{"id":"1807.02652","kind":"arxiv","version":1}},"canonical_sha256":"e146cddf47e2141bf7b5095bc406e6d92eef1edfeb9d1d8bd7cca5e8d84dc17e","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"e146cddf47e2141bf7b5095bc406e6d92eef1edfeb9d1d8bd7cca5e8d84dc17e","first_computed_at":"2026-05-17T23:57:40.911351Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-17T23:57:40.911351Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"CFuagSaQOg4yNrGxdySPoA7RRX8dYsd+BxOmp5FwXFpTlazhpPvzv5POQqIcqONJ0n6ZRb+LSrVRLOzbvEw8BA==","signature_status":"signed_v1","signed_at":"2026-05-17T23:57:40.911904Z","signed_message":"canonical_sha256_bytes"},"source_id":"1807.02652","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:db5e791556db68baab99d26d84b3f444a59404d5037eb4358c20dbe4224a80b4","sha256:a64c3ce6de970218edb7dac0bc1f0851792234dee5a8ff8b17b3524a19e7d9bd"],"state_sha256":"b9455fc6e9d97d470df5a4ba69446f69e6d22c830d3281dbf0345a26648d27fe"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"82zd33CUgmATXqGbZRmFnfzGhmD8f8fgXhwMuBGM7dZA4ODGy0xMg42PpuUWYkB1kk6HkIdOS2zPPso6Akb3AQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-28T06:19:17.194410Z","bundle_sha256":"67773a5fbf509f298de20d0b8a1087d7948c64a689de85d6e27b37219fe8ff94"}}