{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2013:G5OSXBEUDQNOH5MILWPBLFGQ5F","short_pith_number":"pith:G5OSXBEU","canonical_record":{"source":{"id":"1303.0770","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2013-03-04T18:15:40Z","cross_cats_sorted":[],"title_canon_sha256":"65950371641fa328f8c9e78b8529f2dcd1d1e5f28cfdca3166649711cd58c4af","abstract_canon_sha256":"ebc751a68eac8c8942cd0392d9c2710b4d2e0090e4bb2609e4989b10d9ea5495"},"schema_version":"1.0"},"canonical_sha256":"375d2b84941c1ae3f5885d9e1594d0e95c54d7470e350d5a7f0fde7ff8a27362","source":{"kind":"arxiv","id":"1303.0770","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1303.0770","created_at":"2026-05-18T01:51:17Z"},{"alias_kind":"arxiv_version","alias_value":"1303.0770v1","created_at":"2026-05-18T01:51:17Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1303.0770","created_at":"2026-05-18T01:51:17Z"},{"alias_kind":"pith_short_12","alias_value":"G5OSXBEUDQNO","created_at":"2026-05-18T12:27:45Z"},{"alias_kind":"pith_short_16","alias_value":"G5OSXBEUDQNOH5MI","created_at":"2026-05-18T12:27:45Z"},{"alias_kind":"pith_short_8","alias_value":"G5OSXBEU","created_at":"2026-05-18T12:27:45Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2013:G5OSXBEUDQNOH5MILWPBLFGQ5F","target":"record","payload":{"canonical_record":{"source":{"id":"1303.0770","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2013-03-04T18:15:40Z","cross_cats_sorted":[],"title_canon_sha256":"65950371641fa328f8c9e78b8529f2dcd1d1e5f28cfdca3166649711cd58c4af","abstract_canon_sha256":"ebc751a68eac8c8942cd0392d9c2710b4d2e0090e4bb2609e4989b10d9ea5495"},"schema_version":"1.0"},"canonical_sha256":"375d2b84941c1ae3f5885d9e1594d0e95c54d7470e350d5a7f0fde7ff8a27362","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:51:17.282257Z","signature_b64":"z14lITzclh91oOh5GJfI25m8ESi0TzxWVNR3AwBYRWch6H04Jo3iy66rYZOEVAz0NkYuKTpWgi11QLrZpKs9Bw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"375d2b84941c1ae3f5885d9e1594d0e95c54d7470e350d5a7f0fde7ff8a27362","last_reissued_at":"2026-05-18T01:51:17.281633Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:51:17.281633Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1303.0770","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":"2026-05-18T01:51:17Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"hivMoM5psqrhpLJctOvW37Zzsh5dC1yVX9WU2NzJBdqUunHRcTbOgTjpfXI2kA/C+lHWfgEAvaxGn1/nBHfxAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-01T10:59:29.029094Z"},"content_sha256":"6eddffa236afcfef883b63b5b00a59163001fab4718ee6b321844d1a73207235","schema_version":"1.0","event_id":"sha256:6eddffa236afcfef883b63b5b00a59163001fab4718ee6b321844d1a73207235"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2013:G5OSXBEUDQNOH5MILWPBLFGQ5F","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Little Z' Models","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"hep-ph","authors_text":"Alexander Belyaev, Patrik Svantesson, Stephen F. King","submitted_at":"2013-03-04T18:15:40Z","abstract_excerpt":"We propose a new class of models called Little Z' models in order to reduce the fine-tuning due to the current experimental limits on the Z' mass in E_6 inspired supersymmetric models, where the Higgs doublets are charged under the extra U(1)' gauge group. The proposed Little Z' models allow a lower mass Z' due to the spontaneously broken extra U(1)' gauge group having a reduced gauge coupling. We show that reducing the value of the extra gauge coupling relaxes the experimental limits, leading to the possibility of low mass Z' resonances, for example down to 200 GeV, which may yet appear in LH"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1303.0770","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":"2026-05-18T01:51:17Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"3RcS/6EoiRCGQh/GNLKKWnNi4TJJpURA5P1IZmAIXnWttu5sUsUa6UUpLQ6hFRjksrn4cKJjC9ygqQXmEDE0Dw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-01T10:59:29.029458Z"},"content_sha256":"9a75f65fcef92b780b6a57a912434c372dc1d54fc3b6016ab297f39dd0d57404","schema_version":"1.0","event_id":"sha256:9a75f65fcef92b780b6a57a912434c372dc1d54fc3b6016ab297f39dd0d57404"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/G5OSXBEUDQNOH5MILWPBLFGQ5F/bundle.json","state_url":"https://pith.science/pith/G5OSXBEUDQNOH5MILWPBLFGQ5F/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/G5OSXBEUDQNOH5MILWPBLFGQ5F/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":"2026-07-01T10:59:29Z","links":{"resolver":"https://pith.science/pith/G5OSXBEUDQNOH5MILWPBLFGQ5F","bundle":"https://pith.science/pith/G5OSXBEUDQNOH5MILWPBLFGQ5F/bundle.json","state":"https://pith.science/pith/G5OSXBEUDQNOH5MILWPBLFGQ5F/state.json","well_known_bundle":"https://pith.science/.well-known/pith/G5OSXBEUDQNOH5MILWPBLFGQ5F/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2013:G5OSXBEUDQNOH5MILWPBLFGQ5F","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":"ebc751a68eac8c8942cd0392d9c2710b4d2e0090e4bb2609e4989b10d9ea5495","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2013-03-04T18:15:40Z","title_canon_sha256":"65950371641fa328f8c9e78b8529f2dcd1d1e5f28cfdca3166649711cd58c4af"},"schema_version":"1.0","source":{"id":"1303.0770","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1303.0770","created_at":"2026-05-18T01:51:17Z"},{"alias_kind":"arxiv_version","alias_value":"1303.0770v1","created_at":"2026-05-18T01:51:17Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1303.0770","created_at":"2026-05-18T01:51:17Z"},{"alias_kind":"pith_short_12","alias_value":"G5OSXBEUDQNO","created_at":"2026-05-18T12:27:45Z"},{"alias_kind":"pith_short_16","alias_value":"G5OSXBEUDQNOH5MI","created_at":"2026-05-18T12:27:45Z"},{"alias_kind":"pith_short_8","alias_value":"G5OSXBEU","created_at":"2026-05-18T12:27:45Z"}],"graph_snapshots":[{"event_id":"sha256:9a75f65fcef92b780b6a57a912434c372dc1d54fc3b6016ab297f39dd0d57404","target":"graph","created_at":"2026-05-18T01:51:17Z","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 propose a new class of models called Little Z' models in order to reduce the fine-tuning due to the current experimental limits on the Z' mass in E_6 inspired supersymmetric models, where the Higgs doublets are charged under the extra U(1)' gauge group. The proposed Little Z' models allow a lower mass Z' due to the spontaneously broken extra U(1)' gauge group having a reduced gauge coupling. We show that reducing the value of the extra gauge coupling relaxes the experimental limits, leading to the possibility of low mass Z' resonances, for example down to 200 GeV, which may yet appear in LH","authors_text":"Alexander Belyaev, Patrik Svantesson, Stephen F. King","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2013-03-04T18:15:40Z","title":"Little Z' Models"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1303.0770","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":"sha256:6eddffa236afcfef883b63b5b00a59163001fab4718ee6b321844d1a73207235","target":"record","created_at":"2026-05-18T01:51:17Z","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":"ebc751a68eac8c8942cd0392d9c2710b4d2e0090e4bb2609e4989b10d9ea5495","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2013-03-04T18:15:40Z","title_canon_sha256":"65950371641fa328f8c9e78b8529f2dcd1d1e5f28cfdca3166649711cd58c4af"},"schema_version":"1.0","source":{"id":"1303.0770","kind":"arxiv","version":1}},"canonical_sha256":"375d2b84941c1ae3f5885d9e1594d0e95c54d7470e350d5a7f0fde7ff8a27362","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"375d2b84941c1ae3f5885d9e1594d0e95c54d7470e350d5a7f0fde7ff8a27362","first_computed_at":"2026-05-18T01:51:17.281633Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:51:17.281633Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"z14lITzclh91oOh5GJfI25m8ESi0TzxWVNR3AwBYRWch6H04Jo3iy66rYZOEVAz0NkYuKTpWgi11QLrZpKs9Bw==","signature_status":"signed_v1","signed_at":"2026-05-18T01:51:17.282257Z","signed_message":"canonical_sha256_bytes"},"source_id":"1303.0770","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:6eddffa236afcfef883b63b5b00a59163001fab4718ee6b321844d1a73207235","sha256:9a75f65fcef92b780b6a57a912434c372dc1d54fc3b6016ab297f39dd0d57404"],"state_sha256":"8bbca91db97ccf78f0132a5503e244862f3039e2bc792ee692424887e2c98cc9"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Fq74Cdr6mlRexu7izv407YRm7W5mXBbRkS7cpOSWVuNH0KhQQ32+wQtdwS/k07dXOeUnc1yrVdt4PU+MiXtWAA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-01T10:59:29.031373Z","bundle_sha256":"2eede9c67ea1c96766bbd58fd951df01025e237237efb855cf30f3cb791a76fe"}}