{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2017:Y7TXOAWUJP2XPL7W22H4RZIXJN","short_pith_number":"pith:Y7TXOAWU","canonical_record":{"source":{"id":"1704.00655","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2017-04-03T15:56:08Z","cross_cats_sorted":["cond-mat.mes-hall","cond-mat.mtrl-sci"],"title_canon_sha256":"9455ed676518a347d38583ba1bf3b2571680b967901e2eb0011ff9eb9f880a52","abstract_canon_sha256":"129df5a3473aae5c65894beed9b767fcfe48a6f3b2ce2efa36e17e5ef0c7901e"},"schema_version":"1.0"},"canonical_sha256":"c7e77702d44bf577aff6d68fc8e5174b6e8b3c0d85d5946156db3f7b7a2cd863","source":{"kind":"arxiv","id":"1704.00655","version":3},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1704.00655","created_at":"2026-05-18T00:29:39Z"},{"alias_kind":"arxiv_version","alias_value":"1704.00655v3","created_at":"2026-05-18T00:29:39Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1704.00655","created_at":"2026-05-18T00:29:39Z"},{"alias_kind":"pith_short_12","alias_value":"Y7TXOAWUJP2X","created_at":"2026-05-18T12:31:56Z"},{"alias_kind":"pith_short_16","alias_value":"Y7TXOAWUJP2XPL7W","created_at":"2026-05-18T12:31:56Z"},{"alias_kind":"pith_short_8","alias_value":"Y7TXOAWU","created_at":"2026-05-18T12:31:56Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2017:Y7TXOAWUJP2XPL7W22H4RZIXJN","target":"record","payload":{"canonical_record":{"source":{"id":"1704.00655","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2017-04-03T15:56:08Z","cross_cats_sorted":["cond-mat.mes-hall","cond-mat.mtrl-sci"],"title_canon_sha256":"9455ed676518a347d38583ba1bf3b2571680b967901e2eb0011ff9eb9f880a52","abstract_canon_sha256":"129df5a3473aae5c65894beed9b767fcfe48a6f3b2ce2efa36e17e5ef0c7901e"},"schema_version":"1.0"},"canonical_sha256":"c7e77702d44bf577aff6d68fc8e5174b6e8b3c0d85d5946156db3f7b7a2cd863","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:29:39.231624Z","signature_b64":"cfC+JlbaVkmzJhqiFsmOi9zIpT6qsd4J2toMDTKwi8SU8reRBg/7c14RhdpJBrxNEUY4BM9YQRs4+6/hNk4dBw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"c7e77702d44bf577aff6d68fc8e5174b6e8b3c0d85d5946156db3f7b7a2cd863","last_reissued_at":"2026-05-18T00:29:39.231159Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:29:39.231159Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1704.00655","source_version":3,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T00:29:39Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"g2YCzh7qYSzBfbWGz8pRkQ5AE977gkpG+Zd8sif2L6M1J7Fyv6jTuT2BrMdtPiM8Ot6zlqe5NSQy7tTrM4yHDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-30T07:42:11.605790Z"},"content_sha256":"efb828a35dd242137e6d1583430aedff8f074c36a92652bb4f58dc1768d0fc4c","schema_version":"1.0","event_id":"sha256:efb828a35dd242137e6d1583430aedff8f074c36a92652bb4f58dc1768d0fc4c"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2017:Y7TXOAWUJP2XPL7W22H4RZIXJN","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Nodal-link semimetals","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.mes-hall","cond-mat.mtrl-sci"],"primary_cat":"cond-mat.str-el","authors_text":"Huitao Shen, Ling Lu, Ren Bi, Shou-Cheng Zhang, Zhongbo Yan, Zhong Wang","submitted_at":"2017-04-03T15:56:08Z","abstract_excerpt":"In topological semimetals, the valence band and conduction band meet at zero-dimensional nodal points or one-dimensional nodal rings, which are protected by band topology and symmetries. In this Rapid Communication, we introduce \"nodal-link semimetals\", which host linked nodal rings in the Brillouin zone. We put forward a general recipe based on the Hopf map for constructing models of nodal-link semimetal. The consequences of nodal ring linking in the Landau levels and Floquet properties are investigated."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1704.00655","kind":"arxiv","version":3},"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":"2026-05-18T00:29:39Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"FM7wuJh41/+Hsrvj/vYhCWNSszvWYuaGeZEFG+zGRUdo2b5cyoolZ0/zmsVwq8a+vNtW+6gNJOg6tp8052ezAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-30T07:42:11.606205Z"},"content_sha256":"0c45b5910f193ec1641d35dd4891c29798b9264ac817751ef944c39443f40ba7","schema_version":"1.0","event_id":"sha256:0c45b5910f193ec1641d35dd4891c29798b9264ac817751ef944c39443f40ba7"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/Y7TXOAWUJP2XPL7W22H4RZIXJN/bundle.json","state_url":"https://pith.science/pith/Y7TXOAWUJP2XPL7W22H4RZIXJN/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/Y7TXOAWUJP2XPL7W22H4RZIXJN/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":"2026-05-30T07:42:11Z","links":{"resolver":"https://pith.science/pith/Y7TXOAWUJP2XPL7W22H4RZIXJN","bundle":"https://pith.science/pith/Y7TXOAWUJP2XPL7W22H4RZIXJN/bundle.json","state":"https://pith.science/pith/Y7TXOAWUJP2XPL7W22H4RZIXJN/state.json","well_known_bundle":"https://pith.science/.well-known/pith/Y7TXOAWUJP2XPL7W22H4RZIXJN/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2017:Y7TXOAWUJP2XPL7W22H4RZIXJN","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":"129df5a3473aae5c65894beed9b767fcfe48a6f3b2ce2efa36e17e5ef0c7901e","cross_cats_sorted":["cond-mat.mes-hall","cond-mat.mtrl-sci"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2017-04-03T15:56:08Z","title_canon_sha256":"9455ed676518a347d38583ba1bf3b2571680b967901e2eb0011ff9eb9f880a52"},"schema_version":"1.0","source":{"id":"1704.00655","kind":"arxiv","version":3}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1704.00655","created_at":"2026-05-18T00:29:39Z"},{"alias_kind":"arxiv_version","alias_value":"1704.00655v3","created_at":"2026-05-18T00:29:39Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1704.00655","created_at":"2026-05-18T00:29:39Z"},{"alias_kind":"pith_short_12","alias_value":"Y7TXOAWUJP2X","created_at":"2026-05-18T12:31:56Z"},{"alias_kind":"pith_short_16","alias_value":"Y7TXOAWUJP2XPL7W","created_at":"2026-05-18T12:31:56Z"},{"alias_kind":"pith_short_8","alias_value":"Y7TXOAWU","created_at":"2026-05-18T12:31:56Z"}],"graph_snapshots":[{"event_id":"sha256:0c45b5910f193ec1641d35dd4891c29798b9264ac817751ef944c39443f40ba7","target":"graph","created_at":"2026-05-18T00:29:39Z","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":"In topological semimetals, the valence band and conduction band meet at zero-dimensional nodal points or one-dimensional nodal rings, which are protected by band topology and symmetries. In this Rapid Communication, we introduce \"nodal-link semimetals\", which host linked nodal rings in the Brillouin zone. We put forward a general recipe based on the Hopf map for constructing models of nodal-link semimetal. The consequences of nodal ring linking in the Landau levels and Floquet properties are investigated.","authors_text":"Huitao Shen, Ling Lu, Ren Bi, Shou-Cheng Zhang, Zhongbo Yan, Zhong Wang","cross_cats":["cond-mat.mes-hall","cond-mat.mtrl-sci"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2017-04-03T15:56:08Z","title":"Nodal-link semimetals"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1704.00655","kind":"arxiv","version":3},"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:efb828a35dd242137e6d1583430aedff8f074c36a92652bb4f58dc1768d0fc4c","target":"record","created_at":"2026-05-18T00:29:39Z","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":"129df5a3473aae5c65894beed9b767fcfe48a6f3b2ce2efa36e17e5ef0c7901e","cross_cats_sorted":["cond-mat.mes-hall","cond-mat.mtrl-sci"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2017-04-03T15:56:08Z","title_canon_sha256":"9455ed676518a347d38583ba1bf3b2571680b967901e2eb0011ff9eb9f880a52"},"schema_version":"1.0","source":{"id":"1704.00655","kind":"arxiv","version":3}},"canonical_sha256":"c7e77702d44bf577aff6d68fc8e5174b6e8b3c0d85d5946156db3f7b7a2cd863","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"c7e77702d44bf577aff6d68fc8e5174b6e8b3c0d85d5946156db3f7b7a2cd863","first_computed_at":"2026-05-18T00:29:39.231159Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:29:39.231159Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"cfC+JlbaVkmzJhqiFsmOi9zIpT6qsd4J2toMDTKwi8SU8reRBg/7c14RhdpJBrxNEUY4BM9YQRs4+6/hNk4dBw==","signature_status":"signed_v1","signed_at":"2026-05-18T00:29:39.231624Z","signed_message":"canonical_sha256_bytes"},"source_id":"1704.00655","source_kind":"arxiv","source_version":3}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:efb828a35dd242137e6d1583430aedff8f074c36a92652bb4f58dc1768d0fc4c","sha256:0c45b5910f193ec1641d35dd4891c29798b9264ac817751ef944c39443f40ba7"],"state_sha256":"18e214e0a5342f2f7225d86affc216050791ea2fdbe57e5152ee69c02a660296"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"y6zB0Vu8pbaOA4YyHgUcTHcmP++n/JybpTN8tMk7KYGkZECzzggthsbZfTh7i4pTYDlYU2/YVC8pSw9S0wZmBg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-30T07:42:11.608996Z","bundle_sha256":"392df7d0319a70bc82dc481e67480f7982195450845034e4076c6579dbd627ce"}}