{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2017:UWMZZAXAQSL4U3OB4FIMGM4B5N","short_pith_number":"pith:UWMZZAXA","canonical_record":{"source":{"id":"1705.02076","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2017-05-05T03:40:55Z","cross_cats_sorted":[],"title_canon_sha256":"386267c56314d37aa83a63c4406d3cf8d97df00c321015466af5953794a03b43","abstract_canon_sha256":"871460a818e78cb4d8859ec5a9dea98303f2be335fc54e9d5b1e68b2c1b4eb92"},"schema_version":"1.0"},"canonical_sha256":"a5999c82e08497ca6dc1e150c33381eb6a688d9633a2220f00fdc8cd8480da6a","source":{"kind":"arxiv","id":"1705.02076","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1705.02076","created_at":"2026-05-18T00:37:33Z"},{"alias_kind":"arxiv_version","alias_value":"1705.02076v2","created_at":"2026-05-18T00:37:33Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1705.02076","created_at":"2026-05-18T00:37:33Z"},{"alias_kind":"pith_short_12","alias_value":"UWMZZAXAQSL4","created_at":"2026-05-18T12:31:49Z"},{"alias_kind":"pith_short_16","alias_value":"UWMZZAXAQSL4U3OB","created_at":"2026-05-18T12:31:49Z"},{"alias_kind":"pith_short_8","alias_value":"UWMZZAXA","created_at":"2026-05-18T12:31:49Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2017:UWMZZAXAQSL4U3OB4FIMGM4B5N","target":"record","payload":{"canonical_record":{"source":{"id":"1705.02076","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2017-05-05T03:40:55Z","cross_cats_sorted":[],"title_canon_sha256":"386267c56314d37aa83a63c4406d3cf8d97df00c321015466af5953794a03b43","abstract_canon_sha256":"871460a818e78cb4d8859ec5a9dea98303f2be335fc54e9d5b1e68b2c1b4eb92"},"schema_version":"1.0"},"canonical_sha256":"a5999c82e08497ca6dc1e150c33381eb6a688d9633a2220f00fdc8cd8480da6a","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:37:33.794119Z","signature_b64":"l6CARhT8xMTSTxkqTHHY0FZrSoh8gjv97h1sdD8PMZ8u2mzNeKBQ0O9n0FmCTqUYlL3dljHFJYZzSpsftyOZBQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"a5999c82e08497ca6dc1e150c33381eb6a688d9633a2220f00fdc8cd8480da6a","last_reissued_at":"2026-05-18T00:37:33.793633Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:37:33.793633Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1705.02076","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T00:37:33Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"dSUUcqhYJqrt8pdnHSeHiA3qBOU9XWXcd3URW7LlZ47ggE6T9MqSpwwQvkzsrJUW7ni4hgRTLHuXztXMrtTQDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-31T15:40:05.176634Z"},"content_sha256":"4b6d5d95a8c864ce4e0386088d165ab42ef2793e0e11d1b7604cb24eeaf9bf10","schema_version":"1.0","event_id":"sha256:4b6d5d95a8c864ce4e0386088d165ab42ef2793e0e11d1b7604cb24eeaf9bf10"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2017:UWMZZAXAQSL4U3OB4FIMGM4B5N","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Type-II nodal loops: theory and material realization","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mtrl-sci","authors_text":"Shan Guan, Shan-Shan Wang, Shengyuan A. Yang, Si Li, Xiaoming Zhang, Ying Liu, Yugui Yao, Zhi-Ming Yu","submitted_at":"2017-05-05T03:40:55Z","abstract_excerpt":"Nodal loop appears when two bands, typically one electron-like and one hole-like, are crossing each other linearly along a one-dimensional manifold in the reciprocal space. Here we propose a new type of nodal loop which emerges from crossing between two bands which are both electron-like (or hole-like) along certain direction. Close to any point on such loop (dubbed as a type-II nodal loop), the linear spectrum is strongly tilted and tipped over along one transverse direction, leading to marked differences in magnetic, optical, and transport responses compared with the conventional (type-I) no"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1705.02076","kind":"arxiv","version":2},"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":"2026-05-18T00:37:33Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"KjTOVagO6FyMwOBSkB/7T6eP6GtvyonX3widotBWy+g260AWQAdf/KKBiGlg1AlPTori7Q+8szwH7XcqDG8YBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-31T15:40:05.176977Z"},"content_sha256":"88ee0c72ccd6f76fcb7bb051dcc2b925854e8f0348a2be0dd19f85ea7f29668f","schema_version":"1.0","event_id":"sha256:88ee0c72ccd6f76fcb7bb051dcc2b925854e8f0348a2be0dd19f85ea7f29668f"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/UWMZZAXAQSL4U3OB4FIMGM4B5N/bundle.json","state_url":"https://pith.science/pith/UWMZZAXAQSL4U3OB4FIMGM4B5N/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/UWMZZAXAQSL4U3OB4FIMGM4B5N/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":"2026-05-31T15:40:05Z","links":{"resolver":"https://pith.science/pith/UWMZZAXAQSL4U3OB4FIMGM4B5N","bundle":"https://pith.science/pith/UWMZZAXAQSL4U3OB4FIMGM4B5N/bundle.json","state":"https://pith.science/pith/UWMZZAXAQSL4U3OB4FIMGM4B5N/state.json","well_known_bundle":"https://pith.science/.well-known/pith/UWMZZAXAQSL4U3OB4FIMGM4B5N/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2017:UWMZZAXAQSL4U3OB4FIMGM4B5N","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":"871460a818e78cb4d8859ec5a9dea98303f2be335fc54e9d5b1e68b2c1b4eb92","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2017-05-05T03:40:55Z","title_canon_sha256":"386267c56314d37aa83a63c4406d3cf8d97df00c321015466af5953794a03b43"},"schema_version":"1.0","source":{"id":"1705.02076","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1705.02076","created_at":"2026-05-18T00:37:33Z"},{"alias_kind":"arxiv_version","alias_value":"1705.02076v2","created_at":"2026-05-18T00:37:33Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1705.02076","created_at":"2026-05-18T00:37:33Z"},{"alias_kind":"pith_short_12","alias_value":"UWMZZAXAQSL4","created_at":"2026-05-18T12:31:49Z"},{"alias_kind":"pith_short_16","alias_value":"UWMZZAXAQSL4U3OB","created_at":"2026-05-18T12:31:49Z"},{"alias_kind":"pith_short_8","alias_value":"UWMZZAXA","created_at":"2026-05-18T12:31:49Z"}],"graph_snapshots":[{"event_id":"sha256:88ee0c72ccd6f76fcb7bb051dcc2b925854e8f0348a2be0dd19f85ea7f29668f","target":"graph","created_at":"2026-05-18T00:37:33Z","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":"Nodal loop appears when two bands, typically one electron-like and one hole-like, are crossing each other linearly along a one-dimensional manifold in the reciprocal space. Here we propose a new type of nodal loop which emerges from crossing between two bands which are both electron-like (or hole-like) along certain direction. Close to any point on such loop (dubbed as a type-II nodal loop), the linear spectrum is strongly tilted and tipped over along one transverse direction, leading to marked differences in magnetic, optical, and transport responses compared with the conventional (type-I) no","authors_text":"Shan Guan, Shan-Shan Wang, Shengyuan A. Yang, Si Li, Xiaoming Zhang, Ying Liu, Yugui Yao, Zhi-Ming Yu","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2017-05-05T03:40:55Z","title":"Type-II nodal loops: theory and material realization"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1705.02076","kind":"arxiv","version":2},"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":"sha256:4b6d5d95a8c864ce4e0386088d165ab42ef2793e0e11d1b7604cb24eeaf9bf10","target":"record","created_at":"2026-05-18T00:37:33Z","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":"871460a818e78cb4d8859ec5a9dea98303f2be335fc54e9d5b1e68b2c1b4eb92","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2017-05-05T03:40:55Z","title_canon_sha256":"386267c56314d37aa83a63c4406d3cf8d97df00c321015466af5953794a03b43"},"schema_version":"1.0","source":{"id":"1705.02076","kind":"arxiv","version":2}},"canonical_sha256":"a5999c82e08497ca6dc1e150c33381eb6a688d9633a2220f00fdc8cd8480da6a","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"a5999c82e08497ca6dc1e150c33381eb6a688d9633a2220f00fdc8cd8480da6a","first_computed_at":"2026-05-18T00:37:33.793633Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:37:33.793633Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"l6CARhT8xMTSTxkqTHHY0FZrSoh8gjv97h1sdD8PMZ8u2mzNeKBQ0O9n0FmCTqUYlL3dljHFJYZzSpsftyOZBQ==","signature_status":"signed_v1","signed_at":"2026-05-18T00:37:33.794119Z","signed_message":"canonical_sha256_bytes"},"source_id":"1705.02076","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:4b6d5d95a8c864ce4e0386088d165ab42ef2793e0e11d1b7604cb24eeaf9bf10","sha256:88ee0c72ccd6f76fcb7bb051dcc2b925854e8f0348a2be0dd19f85ea7f29668f"],"state_sha256":"33ab527db0fe431ebc4e335db55e34acf6984257abfb2d6877392275c00456a4"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Ajqq7Ku2WOfN+obDlKKZcYzpcDPqiiyIyFY41ZzeXi+NH9r+4RStzBrXzuat0Ro40iSbINt4u/NYmZV8ciMsBA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-31T15:40:05.178873Z","bundle_sha256":"6d72ae0898c87889909e879e175dc292cf31f888e808d743ce41f2b067973391"}}