{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2014:2FPSEKZMY3AUNKI4S2JBMBHPOA","short_pith_number":"pith:2FPSEKZM","canonical_record":{"source":{"id":"1402.1279","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2014-02-06T09:00:10Z","cross_cats_sorted":["cond-mat.mes-hall","cond-mat.mtrl-sci","quant-ph"],"title_canon_sha256":"e8b1914cbbbbea15d5ca56fa1e65c1f3286a4ae75a1c73d4ffc7f8cc042ecec3","abstract_canon_sha256":"4017ad2e11d74a56e508d6cbfefe5d67da61f42bc08c0005b2d648055792cac9"},"schema_version":"1.0"},"canonical_sha256":"d15f222b2cc6c146a91c96921604ef7024a196bd6ffa1a405df1d9f200ccea61","source":{"kind":"arxiv","id":"1402.1279","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1402.1279","created_at":"2026-05-18T02:58:23Z"},{"alias_kind":"arxiv_version","alias_value":"1402.1279v1","created_at":"2026-05-18T02:58:23Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1402.1279","created_at":"2026-05-18T02:58:23Z"},{"alias_kind":"pith_short_12","alias_value":"2FPSEKZMY3AU","created_at":"2026-05-18T12:28:09Z"},{"alias_kind":"pith_short_16","alias_value":"2FPSEKZMY3AUNKI4","created_at":"2026-05-18T12:28:09Z"},{"alias_kind":"pith_short_8","alias_value":"2FPSEKZM","created_at":"2026-05-18T12:28:09Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2014:2FPSEKZMY3AUNKI4S2JBMBHPOA","target":"record","payload":{"canonical_record":{"source":{"id":"1402.1279","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2014-02-06T09:00:10Z","cross_cats_sorted":["cond-mat.mes-hall","cond-mat.mtrl-sci","quant-ph"],"title_canon_sha256":"e8b1914cbbbbea15d5ca56fa1e65c1f3286a4ae75a1c73d4ffc7f8cc042ecec3","abstract_canon_sha256":"4017ad2e11d74a56e508d6cbfefe5d67da61f42bc08c0005b2d648055792cac9"},"schema_version":"1.0"},"canonical_sha256":"d15f222b2cc6c146a91c96921604ef7024a196bd6ffa1a405df1d9f200ccea61","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:58:23.081612Z","signature_b64":"oATpzZbQsjqccSVmOpYv1n1aZPFPAxZLQesRl8TzlmoXeYZ4vjWTnmXS8WJ8rPTSz1r8qbsV3Lnmi53HMQQ/Bw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"d15f222b2cc6c146a91c96921604ef7024a196bd6ffa1a405df1d9f200ccea61","last_reissued_at":"2026-05-18T02:58:23.081110Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:58:23.081110Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1402.1279","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":"2026-05-18T02:58:23Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"NQeo8OkmWrQNuKhrP9WyqScHrWz2HocfQ9DMuMQmag/5Q7HlKwVlLXJfGXtBvTvajGlZVESP0uEv50zHUPbHDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T00:02:26.356473Z"},"content_sha256":"e3145a8779ef7bf4ba5c7bcdf1b6be5c3390311d4013ec700b4116544c29e23e","schema_version":"1.0","event_id":"sha256:e3145a8779ef7bf4ba5c7bcdf1b6be5c3390311d4013ec700b4116544c29e23e"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2014:2FPSEKZMY3AUNKI4S2JBMBHPOA","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Molecular Split-Ring Resonators Based on Metal String Complexes","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.mes-hall","cond-mat.mtrl-sci","quant-ph"],"primary_cat":"physics.optics","authors_text":"Bih-Yaw Jin, Hsin-Yu Ko, Qing Ai, Shie-Ming Peng, Yao Shen","submitted_at":"2014-02-06T09:00:10Z","abstract_excerpt":"Metal string complexes or extended metal atom chains (EMACs) belong to a family of molecules that consist of a linear chain of directly bonded metal atoms embraced helically by four multidentate organic ligands. These four organic ligands are usually made up of repeating pyridyl units, single-nitrogen-substituted heterocyclic annulenes, bridged by independent amido groups. Here, in this paper, we show that these heterocyclic annulenes are actually nanoscale molecular split-ring resonators (SRRs) that can exhibit simultaneous negative electric permittivity and magnetic permeability in the UV-Vi"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1402.1279","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":"2026-05-18T02:58:23Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"HqZ6LWa+WwCxKkrE3xc2bQmoIr8uOQOITOW/IGn91MFvimPa3ahZamjVRaquJp9OepOkAlC7sz71WFNom/8wBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T00:02:26.356932Z"},"content_sha256":"6ac7634b273a26d159f670e7a071903eae17cc72df66a4922384a6a8e4917293","schema_version":"1.0","event_id":"sha256:6ac7634b273a26d159f670e7a071903eae17cc72df66a4922384a6a8e4917293"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/2FPSEKZMY3AUNKI4S2JBMBHPOA/bundle.json","state_url":"https://pith.science/pith/2FPSEKZMY3AUNKI4S2JBMBHPOA/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/2FPSEKZMY3AUNKI4S2JBMBHPOA/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":"2026-05-28T00:02:26Z","links":{"resolver":"https://pith.science/pith/2FPSEKZMY3AUNKI4S2JBMBHPOA","bundle":"https://pith.science/pith/2FPSEKZMY3AUNKI4S2JBMBHPOA/bundle.json","state":"https://pith.science/pith/2FPSEKZMY3AUNKI4S2JBMBHPOA/state.json","well_known_bundle":"https://pith.science/.well-known/pith/2FPSEKZMY3AUNKI4S2JBMBHPOA/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2014:2FPSEKZMY3AUNKI4S2JBMBHPOA","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":"4017ad2e11d74a56e508d6cbfefe5d67da61f42bc08c0005b2d648055792cac9","cross_cats_sorted":["cond-mat.mes-hall","cond-mat.mtrl-sci","quant-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2014-02-06T09:00:10Z","title_canon_sha256":"e8b1914cbbbbea15d5ca56fa1e65c1f3286a4ae75a1c73d4ffc7f8cc042ecec3"},"schema_version":"1.0","source":{"id":"1402.1279","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1402.1279","created_at":"2026-05-18T02:58:23Z"},{"alias_kind":"arxiv_version","alias_value":"1402.1279v1","created_at":"2026-05-18T02:58:23Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1402.1279","created_at":"2026-05-18T02:58:23Z"},{"alias_kind":"pith_short_12","alias_value":"2FPSEKZMY3AU","created_at":"2026-05-18T12:28:09Z"},{"alias_kind":"pith_short_16","alias_value":"2FPSEKZMY3AUNKI4","created_at":"2026-05-18T12:28:09Z"},{"alias_kind":"pith_short_8","alias_value":"2FPSEKZM","created_at":"2026-05-18T12:28:09Z"}],"graph_snapshots":[{"event_id":"sha256:6ac7634b273a26d159f670e7a071903eae17cc72df66a4922384a6a8e4917293","target":"graph","created_at":"2026-05-18T02:58:23Z","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":"Metal string complexes or extended metal atom chains (EMACs) belong to a family of molecules that consist of a linear chain of directly bonded metal atoms embraced helically by four multidentate organic ligands. These four organic ligands are usually made up of repeating pyridyl units, single-nitrogen-substituted heterocyclic annulenes, bridged by independent amido groups. Here, in this paper, we show that these heterocyclic annulenes are actually nanoscale molecular split-ring resonators (SRRs) that can exhibit simultaneous negative electric permittivity and magnetic permeability in the UV-Vi","authors_text":"Bih-Yaw Jin, Hsin-Yu Ko, Qing Ai, Shie-Ming Peng, Yao Shen","cross_cats":["cond-mat.mes-hall","cond-mat.mtrl-sci","quant-ph"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2014-02-06T09:00:10Z","title":"Molecular Split-Ring Resonators Based on Metal String Complexes"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1402.1279","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:e3145a8779ef7bf4ba5c7bcdf1b6be5c3390311d4013ec700b4116544c29e23e","target":"record","created_at":"2026-05-18T02:58:23Z","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":"4017ad2e11d74a56e508d6cbfefe5d67da61f42bc08c0005b2d648055792cac9","cross_cats_sorted":["cond-mat.mes-hall","cond-mat.mtrl-sci","quant-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2014-02-06T09:00:10Z","title_canon_sha256":"e8b1914cbbbbea15d5ca56fa1e65c1f3286a4ae75a1c73d4ffc7f8cc042ecec3"},"schema_version":"1.0","source":{"id":"1402.1279","kind":"arxiv","version":1}},"canonical_sha256":"d15f222b2cc6c146a91c96921604ef7024a196bd6ffa1a405df1d9f200ccea61","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"d15f222b2cc6c146a91c96921604ef7024a196bd6ffa1a405df1d9f200ccea61","first_computed_at":"2026-05-18T02:58:23.081110Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:58:23.081110Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"oATpzZbQsjqccSVmOpYv1n1aZPFPAxZLQesRl8TzlmoXeYZ4vjWTnmXS8WJ8rPTSz1r8qbsV3Lnmi53HMQQ/Bw==","signature_status":"signed_v1","signed_at":"2026-05-18T02:58:23.081612Z","signed_message":"canonical_sha256_bytes"},"source_id":"1402.1279","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:e3145a8779ef7bf4ba5c7bcdf1b6be5c3390311d4013ec700b4116544c29e23e","sha256:6ac7634b273a26d159f670e7a071903eae17cc72df66a4922384a6a8e4917293"],"state_sha256":"0749fb592f2de674bf18f4702b3b7001ab2a81122660d54900bc5f42dfeb18de"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"sSdsX4JE809kS71pp80gvLScXZL5WNKazvUD40rETyeb2L6VYuNnPrvQPOxbk0EwfT/3avZLlwc1EE1TiIlbCA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-28T00:02:26.360416Z","bundle_sha256":"7b652c2d4b82b666706e3a8a8ad35c08a5365d8df63ad518f7da547a8e1ca766"}}