{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2018:IPCB3AEQPY5AUXYUYNEKOQS2OV","short_pith_number":"pith:IPCB3AEQ","canonical_record":{"source":{"id":"1810.11777","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2018-10-28T08:42:45Z","cross_cats_sorted":["cond-mat.mes-hall"],"title_canon_sha256":"6a0f67f35b96b3c48232c82dd2f8b27cae30cb11599eff504367fa4a91ce522b","abstract_canon_sha256":"8a4425a403517084780a85a53329529d770a974b5f0a5ace5af0743b30382bc1"},"schema_version":"1.0"},"canonical_sha256":"43c41d80907e3a0a5f14c348a7425a75489cedabc40c788cdc49edd4a6c9ea88","source":{"kind":"arxiv","id":"1810.11777","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1810.11777","created_at":"2026-05-18T00:02:07Z"},{"alias_kind":"arxiv_version","alias_value":"1810.11777v1","created_at":"2026-05-18T00:02:07Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1810.11777","created_at":"2026-05-18T00:02:07Z"},{"alias_kind":"pith_short_12","alias_value":"IPCB3AEQPY5A","created_at":"2026-05-18T12:32:31Z"},{"alias_kind":"pith_short_16","alias_value":"IPCB3AEQPY5AUXYU","created_at":"2026-05-18T12:32:31Z"},{"alias_kind":"pith_short_8","alias_value":"IPCB3AEQ","created_at":"2026-05-18T12:32:31Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2018:IPCB3AEQPY5AUXYUYNEKOQS2OV","target":"record","payload":{"canonical_record":{"source":{"id":"1810.11777","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2018-10-28T08:42:45Z","cross_cats_sorted":["cond-mat.mes-hall"],"title_canon_sha256":"6a0f67f35b96b3c48232c82dd2f8b27cae30cb11599eff504367fa4a91ce522b","abstract_canon_sha256":"8a4425a403517084780a85a53329529d770a974b5f0a5ace5af0743b30382bc1"},"schema_version":"1.0"},"canonical_sha256":"43c41d80907e3a0a5f14c348a7425a75489cedabc40c788cdc49edd4a6c9ea88","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:02:07.441816Z","signature_b64":"Kgf0eONo5zlP1yFPJkR1B9SdTih15itejePzvmWHW/bEdaxhS2zGVhLJp/x/HdHbxcrJ/QyM0e9uInVqIsZ1CA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"43c41d80907e3a0a5f14c348a7425a75489cedabc40c788cdc49edd4a6c9ea88","last_reissued_at":"2026-05-18T00:02:07.441119Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:02:07.441119Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1810.11777","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":"2026-05-18T00:02:07Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"AMmxDL1B3xiUEz0wJXC4+gSBDymCNS8qKTFQWLVwai2X5o22FNQmUb1WmGA7+gLZRd7x6DWzx5pAce/AbeTJAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-02T13:13:53.501980Z"},"content_sha256":"ed4900e9139a7c15a68cdfb930c7bfd2aedc3f5f68dd6e9645a92d282e9738bd","schema_version":"1.0","event_id":"sha256:ed4900e9139a7c15a68cdfb930c7bfd2aedc3f5f68dd6e9645a92d282e9738bd"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2018:IPCB3AEQPY5AUXYUYNEKOQS2OV","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"All-Silicon Topological Semimetals with Closed Nodal Line","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.mes-hall"],"primary_cat":"cond-mat.mtrl-sci","authors_text":"Guojun Zhao, Hongli Xin, Jijun Zhao, Li Fu, Tielei Song, Xin Cui, Yingqiao Liu, Zhifeng Liu","submitted_at":"2018-10-28T08:42:45Z","abstract_excerpt":"Owing to the natural compatibility with current semiconductor industry, silicon allotropes with diverse structural and electronic properties provide promising platforms for the next-generation Si-based devices. After screening 230 all-silicon crystals in the zeolite frameworks by first-principles calculations, we disclose two structurally stable Si allotropes (AHT-Si24 and VFI-Si36) containing open channels as topological node-line semimetals with Dirac nodal points forming a nodal loop in the kz=0 plane of Brillouin zone. Interestingly, their nodal loops protected by inversion and time-revers"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1810.11777","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":"2026-05-18T00:02:07Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"LPuHxsyteMMPc1tDgTw8FHFZidZKrZre24vRJ/gD7Ad5sFw7QSOVPaaHjVSIiTcvN1adLF89j17QxwfDcouqDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-02T13:13:53.502553Z"},"content_sha256":"38b27ca2848fe8f1091337070048cfc2629698856427b87a6a229cb09c0810ca","schema_version":"1.0","event_id":"sha256:38b27ca2848fe8f1091337070048cfc2629698856427b87a6a229cb09c0810ca"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/IPCB3AEQPY5AUXYUYNEKOQS2OV/bundle.json","state_url":"https://pith.science/pith/IPCB3AEQPY5AUXYUYNEKOQS2OV/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/IPCB3AEQPY5AUXYUYNEKOQS2OV/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":"2026-06-02T13:13:53Z","links":{"resolver":"https://pith.science/pith/IPCB3AEQPY5AUXYUYNEKOQS2OV","bundle":"https://pith.science/pith/IPCB3AEQPY5AUXYUYNEKOQS2OV/bundle.json","state":"https://pith.science/pith/IPCB3AEQPY5AUXYUYNEKOQS2OV/state.json","well_known_bundle":"https://pith.science/.well-known/pith/IPCB3AEQPY5AUXYUYNEKOQS2OV/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:IPCB3AEQPY5AUXYUYNEKOQS2OV","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":"8a4425a403517084780a85a53329529d770a974b5f0a5ace5af0743b30382bc1","cross_cats_sorted":["cond-mat.mes-hall"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2018-10-28T08:42:45Z","title_canon_sha256":"6a0f67f35b96b3c48232c82dd2f8b27cae30cb11599eff504367fa4a91ce522b"},"schema_version":"1.0","source":{"id":"1810.11777","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1810.11777","created_at":"2026-05-18T00:02:07Z"},{"alias_kind":"arxiv_version","alias_value":"1810.11777v1","created_at":"2026-05-18T00:02:07Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1810.11777","created_at":"2026-05-18T00:02:07Z"},{"alias_kind":"pith_short_12","alias_value":"IPCB3AEQPY5A","created_at":"2026-05-18T12:32:31Z"},{"alias_kind":"pith_short_16","alias_value":"IPCB3AEQPY5AUXYU","created_at":"2026-05-18T12:32:31Z"},{"alias_kind":"pith_short_8","alias_value":"IPCB3AEQ","created_at":"2026-05-18T12:32:31Z"}],"graph_snapshots":[{"event_id":"sha256:38b27ca2848fe8f1091337070048cfc2629698856427b87a6a229cb09c0810ca","target":"graph","created_at":"2026-05-18T00:02:07Z","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":"Owing to the natural compatibility with current semiconductor industry, silicon allotropes with diverse structural and electronic properties provide promising platforms for the next-generation Si-based devices. After screening 230 all-silicon crystals in the zeolite frameworks by first-principles calculations, we disclose two structurally stable Si allotropes (AHT-Si24 and VFI-Si36) containing open channels as topological node-line semimetals with Dirac nodal points forming a nodal loop in the kz=0 plane of Brillouin zone. Interestingly, their nodal loops protected by inversion and time-revers","authors_text":"Guojun Zhao, Hongli Xin, Jijun Zhao, Li Fu, Tielei Song, Xin Cui, Yingqiao Liu, Zhifeng Liu","cross_cats":["cond-mat.mes-hall"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2018-10-28T08:42:45Z","title":"All-Silicon Topological Semimetals with Closed Nodal Line"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1810.11777","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:ed4900e9139a7c15a68cdfb930c7bfd2aedc3f5f68dd6e9645a92d282e9738bd","target":"record","created_at":"2026-05-18T00:02:07Z","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":"8a4425a403517084780a85a53329529d770a974b5f0a5ace5af0743b30382bc1","cross_cats_sorted":["cond-mat.mes-hall"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2018-10-28T08:42:45Z","title_canon_sha256":"6a0f67f35b96b3c48232c82dd2f8b27cae30cb11599eff504367fa4a91ce522b"},"schema_version":"1.0","source":{"id":"1810.11777","kind":"arxiv","version":1}},"canonical_sha256":"43c41d80907e3a0a5f14c348a7425a75489cedabc40c788cdc49edd4a6c9ea88","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"43c41d80907e3a0a5f14c348a7425a75489cedabc40c788cdc49edd4a6c9ea88","first_computed_at":"2026-05-18T00:02:07.441119Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:02:07.441119Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"Kgf0eONo5zlP1yFPJkR1B9SdTih15itejePzvmWHW/bEdaxhS2zGVhLJp/x/HdHbxcrJ/QyM0e9uInVqIsZ1CA==","signature_status":"signed_v1","signed_at":"2026-05-18T00:02:07.441816Z","signed_message":"canonical_sha256_bytes"},"source_id":"1810.11777","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:ed4900e9139a7c15a68cdfb930c7bfd2aedc3f5f68dd6e9645a92d282e9738bd","sha256:38b27ca2848fe8f1091337070048cfc2629698856427b87a6a229cb09c0810ca"],"state_sha256":"963fbf7cbeaf19271a1d2e78d255fa6a4a2ec4c0254493e9e3129b2291cb1a79"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"D+MzBrK5aCBJppZXIOC1T7bQpmP2vrezB5Yl1jMvKQKoVO2ELBLGpQb5VVCqt0L0piCiCoO/LllxW5EC8wjsDA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-02T13:13:53.505177Z","bundle_sha256":"03b228bbbd9c4ab33f7f0549dec91b12fef5311b69fef1a777abaf56ffde15cb"}}