{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2018:HHIWIUHJYBC2TTDVDJCIXHONH5","short_pith_number":"pith:HHIWIUHJ","canonical_record":{"source":{"id":"1803.04430","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2018-03-12T18:04:57Z","cross_cats_sorted":[],"title_canon_sha256":"d56475b11c99473246d64af7c40701bd17b7df392ed7f3a971d3696ed73922d1","abstract_canon_sha256":"fe6384e267ed8b679238dd020dc3a9956b847570ce7d434953ddc13bd448acf0"},"schema_version":"1.0"},"canonical_sha256":"39d16450e9c045a9cc751a448b9dcd3f7ff5bc9410b4684bcb0f239319a36865","source":{"kind":"arxiv","id":"1803.04430","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1803.04430","created_at":"2026-05-18T00:01:53Z"},{"alias_kind":"arxiv_version","alias_value":"1803.04430v2","created_at":"2026-05-18T00:01:53Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1803.04430","created_at":"2026-05-18T00:01:53Z"},{"alias_kind":"pith_short_12","alias_value":"HHIWIUHJYBC2","created_at":"2026-05-18T12:32:28Z"},{"alias_kind":"pith_short_16","alias_value":"HHIWIUHJYBC2TTDV","created_at":"2026-05-18T12:32:28Z"},{"alias_kind":"pith_short_8","alias_value":"HHIWIUHJ","created_at":"2026-05-18T12:32:28Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2018:HHIWIUHJYBC2TTDVDJCIXHONH5","target":"record","payload":{"canonical_record":{"source":{"id":"1803.04430","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2018-03-12T18:04:57Z","cross_cats_sorted":[],"title_canon_sha256":"d56475b11c99473246d64af7c40701bd17b7df392ed7f3a971d3696ed73922d1","abstract_canon_sha256":"fe6384e267ed8b679238dd020dc3a9956b847570ce7d434953ddc13bd448acf0"},"schema_version":"1.0"},"canonical_sha256":"39d16450e9c045a9cc751a448b9dcd3f7ff5bc9410b4684bcb0f239319a36865","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:01:53.411760Z","signature_b64":"zuRVGdeYuOltHpruewSS0mjJUSkyZoNEO5mY6BvkO3+pIq2u5ZgvgwCpH2Pz+4Vskt9GLqTF0n/SVSiHVDMECA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"39d16450e9c045a9cc751a448b9dcd3f7ff5bc9410b4684bcb0f239319a36865","last_reissued_at":"2026-05-18T00:01:53.411216Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:01:53.411216Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1803.04430","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":"2026-05-18T00:01:53Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"RtrdwVsrt64MsXWBgh+5JzCS0w337XLQFU6LDJ2mOVupBWJeva5VHPUV0XShjCmPtWUgUvXAyxwNoP+nr7T0Cg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-15T05:48:03.611194Z"},"content_sha256":"27dd44b950b1c1b0cbb47ce4a47ad52c8f4c6e438710f3c444aa6cbdf4dc690f","schema_version":"1.0","event_id":"sha256:27dd44b950b1c1b0cbb47ce4a47ad52c8f4c6e438710f3c444aa6cbdf4dc690f"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2018:HHIWIUHJYBC2TTDVDJCIXHONH5","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Flavourful $Z'$ portal for vector-like neutrino Dark Matter and $R_{K^{(*)}}$","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"hep-ph","authors_text":"Adam Falkowski, Elena Perdomo, Mathias Pierre, Stephen F. King","submitted_at":"2018-03-12T18:04:57Z","abstract_excerpt":"We discuss a flavourful $Z'$ portal model with a coupling to fourth-family singlet Dirac neutrino dark matter. In the absence of mixing, the $Z'$ is fermiophobic, having no couplings to the three chiral families, but does couple to a fourth vector-like family. Due to mixing effects, the $Z'$ gets induced couplings to second family left-handed lepton doublets and third family left-handed quark doublets. This model can simultaneously account for the measured $B$-decay ratios $R_{K}$ and $R_{K^*}$ and for the observed relic abundance of dark matter. We identify the parameter space where this expl"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1803.04430","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":"2026-05-18T00:01:53Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"XXwjea8Mp3MEHmmJ6Df3SCs4Oc/Fal+4y2hhUiJ8jK2JOZyJkJYLFvOxwPEhuZhXa3UsWaO2QeLKje+JWKWOAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-15T05:48:03.611623Z"},"content_sha256":"97246cd4a5f6ccf82abca745c69ac6907f160b798b86c57ba8bdacba00c53746","schema_version":"1.0","event_id":"sha256:97246cd4a5f6ccf82abca745c69ac6907f160b798b86c57ba8bdacba00c53746"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/HHIWIUHJYBC2TTDVDJCIXHONH5/bundle.json","state_url":"https://pith.science/pith/HHIWIUHJYBC2TTDVDJCIXHONH5/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/HHIWIUHJYBC2TTDVDJCIXHONH5/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":"2026-08-15T05:48:03Z","links":{"resolver":"https://pith.science/pith/HHIWIUHJYBC2TTDVDJCIXHONH5","bundle":"https://pith.science/pith/HHIWIUHJYBC2TTDVDJCIXHONH5/bundle.json","state":"https://pith.science/pith/HHIWIUHJYBC2TTDVDJCIXHONH5/state.json","well_known_bundle":"https://pith.science/.well-known/pith/HHIWIUHJYBC2TTDVDJCIXHONH5/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:HHIWIUHJYBC2TTDVDJCIXHONH5","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":"fe6384e267ed8b679238dd020dc3a9956b847570ce7d434953ddc13bd448acf0","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2018-03-12T18:04:57Z","title_canon_sha256":"d56475b11c99473246d64af7c40701bd17b7df392ed7f3a971d3696ed73922d1"},"schema_version":"1.0","source":{"id":"1803.04430","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1803.04430","created_at":"2026-05-18T00:01:53Z"},{"alias_kind":"arxiv_version","alias_value":"1803.04430v2","created_at":"2026-05-18T00:01:53Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1803.04430","created_at":"2026-05-18T00:01:53Z"},{"alias_kind":"pith_short_12","alias_value":"HHIWIUHJYBC2","created_at":"2026-05-18T12:32:28Z"},{"alias_kind":"pith_short_16","alias_value":"HHIWIUHJYBC2TTDV","created_at":"2026-05-18T12:32:28Z"},{"alias_kind":"pith_short_8","alias_value":"HHIWIUHJ","created_at":"2026-05-18T12:32:28Z"}],"graph_snapshots":[{"event_id":"sha256:97246cd4a5f6ccf82abca745c69ac6907f160b798b86c57ba8bdacba00c53746","target":"graph","created_at":"2026-05-18T00:01:53Z","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":"We discuss a flavourful $Z'$ portal model with a coupling to fourth-family singlet Dirac neutrino dark matter. In the absence of mixing, the $Z'$ is fermiophobic, having no couplings to the three chiral families, but does couple to a fourth vector-like family. Due to mixing effects, the $Z'$ gets induced couplings to second family left-handed lepton doublets and third family left-handed quark doublets. This model can simultaneously account for the measured $B$-decay ratios $R_{K}$ and $R_{K^*}$ and for the observed relic abundance of dark matter. We identify the parameter space where this expl","authors_text":"Adam Falkowski, Elena Perdomo, Mathias Pierre, Stephen F. King","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2018-03-12T18:04:57Z","title":"Flavourful $Z'$ portal for vector-like neutrino Dark Matter and $R_{K^{(*)}}$"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1803.04430","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":"sha256:27dd44b950b1c1b0cbb47ce4a47ad52c8f4c6e438710f3c444aa6cbdf4dc690f","target":"record","created_at":"2026-05-18T00:01:53Z","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":"fe6384e267ed8b679238dd020dc3a9956b847570ce7d434953ddc13bd448acf0","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2018-03-12T18:04:57Z","title_canon_sha256":"d56475b11c99473246d64af7c40701bd17b7df392ed7f3a971d3696ed73922d1"},"schema_version":"1.0","source":{"id":"1803.04430","kind":"arxiv","version":2}},"canonical_sha256":"39d16450e9c045a9cc751a448b9dcd3f7ff5bc9410b4684bcb0f239319a36865","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"39d16450e9c045a9cc751a448b9dcd3f7ff5bc9410b4684bcb0f239319a36865","first_computed_at":"2026-05-18T00:01:53.411216Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:01:53.411216Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"zuRVGdeYuOltHpruewSS0mjJUSkyZoNEO5mY6BvkO3+pIq2u5ZgvgwCpH2Pz+4Vskt9GLqTF0n/SVSiHVDMECA==","signature_status":"signed_v1","signed_at":"2026-05-18T00:01:53.411760Z","signed_message":"canonical_sha256_bytes"},"source_id":"1803.04430","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:27dd44b950b1c1b0cbb47ce4a47ad52c8f4c6e438710f3c444aa6cbdf4dc690f","sha256:97246cd4a5f6ccf82abca745c69ac6907f160b798b86c57ba8bdacba00c53746"],"state_sha256":"8fa626519090577396a6cfd01060e63e3d1cd2fde492a5ef776ec51b139413ff"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"s+E6VcG7t85YwP5hpUMLkphKVt0QE0KBCwdkzY6iB8XQaSRPBIP6ennpoM/bcm1Jn1JbhQnM3d++DhVPOnLUBw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-15T05:48:03.616869Z","bundle_sha256":"acdae28e6e0c6d8954c143c90ec97247f12532c9b75509a12cebd6fa61779a19"}}