{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2014:LGRGJQNTZQNG65G4LIM7YHGNL2","short_pith_number":"pith:LGRGJQNT","canonical_record":{"source":{"id":"1409.4134","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2014-09-15T01:51:12Z","cross_cats_sorted":["cond-mat.mtrl-sci"],"title_canon_sha256":"734a239670a8d09310abb32db5f0b76df86e6b5190ba3ed9628ec38c1c83f7c5","abstract_canon_sha256":"13d1e9648bb13b5690a820a92f7c36b49897c5216825a4389515bf0437a1b255"},"schema_version":"1.0"},"canonical_sha256":"59a264c1b3cc1a6f74dc5a19fc1ccd5e8c4741e1a220fe0f3f546a38ad1121a7","source":{"kind":"arxiv","id":"1409.4134","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1409.4134","created_at":"2026-05-18T02:19:42Z"},{"alias_kind":"arxiv_version","alias_value":"1409.4134v1","created_at":"2026-05-18T02:19:42Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1409.4134","created_at":"2026-05-18T02:19:42Z"},{"alias_kind":"pith_short_12","alias_value":"LGRGJQNTZQNG","created_at":"2026-05-18T12:28:38Z"},{"alias_kind":"pith_short_16","alias_value":"LGRGJQNTZQNG65G4","created_at":"2026-05-18T12:28:38Z"},{"alias_kind":"pith_short_8","alias_value":"LGRGJQNT","created_at":"2026-05-18T12:28:38Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2014:LGRGJQNTZQNG65G4LIM7YHGNL2","target":"record","payload":{"canonical_record":{"source":{"id":"1409.4134","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2014-09-15T01:51:12Z","cross_cats_sorted":["cond-mat.mtrl-sci"],"title_canon_sha256":"734a239670a8d09310abb32db5f0b76df86e6b5190ba3ed9628ec38c1c83f7c5","abstract_canon_sha256":"13d1e9648bb13b5690a820a92f7c36b49897c5216825a4389515bf0437a1b255"},"schema_version":"1.0"},"canonical_sha256":"59a264c1b3cc1a6f74dc5a19fc1ccd5e8c4741e1a220fe0f3f546a38ad1121a7","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:19:42.573348Z","signature_b64":"jZSpsQ8Vi0JJAkkkYNPj3IwIJim6H8BNyUaFQdKIyTqKJQmxFTgJrWlvsGrm+5KqxbZjYoLQFUmZN/qf/1MGAw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"59a264c1b3cc1a6f74dc5a19fc1ccd5e8c4741e1a220fe0f3f546a38ad1121a7","last_reissued_at":"2026-05-18T02:19:42.572932Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:19:42.572932Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1409.4134","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":"2026-05-18T02:19:42Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"gzWxTNERtFxe3+ulG+hE1IFxO7LaSi5o2q6WIxk+Q6yvYPng8iHerfdd4F6Q/6txtKRZ+Sg5SHQ9VufttfseAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T07:02:07.723936Z"},"content_sha256":"4b1bb28486a30091a4e201eb193979bdd25974dbf7435e160135a3e548f65333","schema_version":"1.0","event_id":"sha256:4b1bb28486a30091a4e201eb193979bdd25974dbf7435e160135a3e548f65333"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2014:LGRGJQNTZQNG65G4LIM7YHGNL2","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Tunable Magnetic Semiconductor Behavior Driven by Half-Filled One Dimensional Band in Zigzag Phosphorene Nanoribbons","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.mtrl-sci"],"primary_cat":"cond-mat.mes-hall","authors_text":"Bo Xu, Chun-Gang Duan, Huimei Liu, Jiang Yin, Li Sheng, Xiangang Wan, Yongping Du","submitted_at":"2014-09-15T01:51:12Z","abstract_excerpt":"An antiferromagnetic insulating state has been found in the zigzag phosphorene nanoribbons (ZPNRs) from a comprehensive density functional theory calculations. Comparing with other one-dimensional systems, the magnetism in ZPNRs display several surprising characteristics: (i) the magnetic moments are antiparallel arranged at each zigzag edge; (ii) the magnetism is quite stable in energy (about 29 meV/magnetic-ion) and the band gap is big (about 0.7 eV); (iii) a moderate compressive strain will induce a magnetic to nonmagnetic as well as semiconductor to metal transition. All of these phenomena"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1409.4134","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":"2026-05-18T02:19:42Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"tZofWHTNnvHkVcQDrIFED4MOTi47jaFVVBSFLkXgviSryVgxJr/ZoWm4VHrF/NYh/AjrZPiGbW/w1OML/Jc7Aw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T07:02:07.724301Z"},"content_sha256":"1455956909e0886addc66704f83109edca1a870619e92d476f10e95236f61e04","schema_version":"1.0","event_id":"sha256:1455956909e0886addc66704f83109edca1a870619e92d476f10e95236f61e04"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/LGRGJQNTZQNG65G4LIM7YHGNL2/bundle.json","state_url":"https://pith.science/pith/LGRGJQNTZQNG65G4LIM7YHGNL2/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/LGRGJQNTZQNG65G4LIM7YHGNL2/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":"2026-05-28T07:02:07Z","links":{"resolver":"https://pith.science/pith/LGRGJQNTZQNG65G4LIM7YHGNL2","bundle":"https://pith.science/pith/LGRGJQNTZQNG65G4LIM7YHGNL2/bundle.json","state":"https://pith.science/pith/LGRGJQNTZQNG65G4LIM7YHGNL2/state.json","well_known_bundle":"https://pith.science/.well-known/pith/LGRGJQNTZQNG65G4LIM7YHGNL2/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2014:LGRGJQNTZQNG65G4LIM7YHGNL2","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":"13d1e9648bb13b5690a820a92f7c36b49897c5216825a4389515bf0437a1b255","cross_cats_sorted":["cond-mat.mtrl-sci"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2014-09-15T01:51:12Z","title_canon_sha256":"734a239670a8d09310abb32db5f0b76df86e6b5190ba3ed9628ec38c1c83f7c5"},"schema_version":"1.0","source":{"id":"1409.4134","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1409.4134","created_at":"2026-05-18T02:19:42Z"},{"alias_kind":"arxiv_version","alias_value":"1409.4134v1","created_at":"2026-05-18T02:19:42Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1409.4134","created_at":"2026-05-18T02:19:42Z"},{"alias_kind":"pith_short_12","alias_value":"LGRGJQNTZQNG","created_at":"2026-05-18T12:28:38Z"},{"alias_kind":"pith_short_16","alias_value":"LGRGJQNTZQNG65G4","created_at":"2026-05-18T12:28:38Z"},{"alias_kind":"pith_short_8","alias_value":"LGRGJQNT","created_at":"2026-05-18T12:28:38Z"}],"graph_snapshots":[{"event_id":"sha256:1455956909e0886addc66704f83109edca1a870619e92d476f10e95236f61e04","target":"graph","created_at":"2026-05-18T02:19:42Z","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":"An antiferromagnetic insulating state has been found in the zigzag phosphorene nanoribbons (ZPNRs) from a comprehensive density functional theory calculations. Comparing with other one-dimensional systems, the magnetism in ZPNRs display several surprising characteristics: (i) the magnetic moments are antiparallel arranged at each zigzag edge; (ii) the magnetism is quite stable in energy (about 29 meV/magnetic-ion) and the band gap is big (about 0.7 eV); (iii) a moderate compressive strain will induce a magnetic to nonmagnetic as well as semiconductor to metal transition. All of these phenomena","authors_text":"Bo Xu, Chun-Gang Duan, Huimei Liu, Jiang Yin, Li Sheng, Xiangang Wan, Yongping Du","cross_cats":["cond-mat.mtrl-sci"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2014-09-15T01:51:12Z","title":"Tunable Magnetic Semiconductor Behavior Driven by Half-Filled One Dimensional Band in Zigzag Phosphorene Nanoribbons"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1409.4134","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":"sha256:4b1bb28486a30091a4e201eb193979bdd25974dbf7435e160135a3e548f65333","target":"record","created_at":"2026-05-18T02:19:42Z","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":"13d1e9648bb13b5690a820a92f7c36b49897c5216825a4389515bf0437a1b255","cross_cats_sorted":["cond-mat.mtrl-sci"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2014-09-15T01:51:12Z","title_canon_sha256":"734a239670a8d09310abb32db5f0b76df86e6b5190ba3ed9628ec38c1c83f7c5"},"schema_version":"1.0","source":{"id":"1409.4134","kind":"arxiv","version":1}},"canonical_sha256":"59a264c1b3cc1a6f74dc5a19fc1ccd5e8c4741e1a220fe0f3f546a38ad1121a7","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"59a264c1b3cc1a6f74dc5a19fc1ccd5e8c4741e1a220fe0f3f546a38ad1121a7","first_computed_at":"2026-05-18T02:19:42.572932Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:19:42.572932Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"jZSpsQ8Vi0JJAkkkYNPj3IwIJim6H8BNyUaFQdKIyTqKJQmxFTgJrWlvsGrm+5KqxbZjYoLQFUmZN/qf/1MGAw==","signature_status":"signed_v1","signed_at":"2026-05-18T02:19:42.573348Z","signed_message":"canonical_sha256_bytes"},"source_id":"1409.4134","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:4b1bb28486a30091a4e201eb193979bdd25974dbf7435e160135a3e548f65333","sha256:1455956909e0886addc66704f83109edca1a870619e92d476f10e95236f61e04"],"state_sha256":"8119bc76d6369271e5bcc7ed0bdcd57ce75baf69b3e1cf46bc11fe5c71abb591"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"8iQLF/NIKJzuygqDWLtjpgbS9Zfxrtnalg5ERokS2aj+0EhAs18x3DhJFhRM07EhCUGoVZ+3oJ8oHBbBZGrHDQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-28T07:02:07.726483Z","bundle_sha256":"9c7b4f4df06e6ecb8e7a5db0223ef68922af0ce67554ea18b4dbb09f5951ff01"}}