{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2007:XHNQUSPC3MCQNDXOCOIW7LVVKH","short_pith_number":"pith:XHNQUSPC","canonical_record":{"source":{"id":"hep-ph/0702123","kind":"arxiv","version":2},"metadata":{"license":"","primary_cat":"hep-ph","submitted_at":"2007-02-12T19:29:29Z","cross_cats_sorted":[],"title_canon_sha256":"622c15387eb11c8595259598ca07e25041f993c51279a0b509489dbe38a43573","abstract_canon_sha256":"5fe20484270d8215bf7fe07b6357c6b4113f6ae43df8ed3067f77de232b8dcbe"},"schema_version":"1.0"},"canonical_sha256":"b9db0a49e2db05068eee13916faeb551c0da805e3de76fa71297ad56e08c6094","source":{"kind":"arxiv","id":"hep-ph/0702123","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"hep-ph/0702123","created_at":"2026-07-04T17:27:07Z"},{"alias_kind":"arxiv_version","alias_value":"hep-ph/0702123v2","created_at":"2026-07-04T17:27:07Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.hep-ph/0702123","created_at":"2026-07-04T17:27:07Z"},{"alias_kind":"pith_short_12","alias_value":"XHNQUSPC3MCQ","created_at":"2026-07-04T17:27:07Z"},{"alias_kind":"pith_short_16","alias_value":"XHNQUSPC3MCQNDXO","created_at":"2026-07-04T17:27:07Z"},{"alias_kind":"pith_short_8","alias_value":"XHNQUSPC","created_at":"2026-07-04T17:27:07Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2007:XHNQUSPC3MCQNDXOCOIW7LVVKH","target":"record","payload":{"canonical_record":{"source":{"id":"hep-ph/0702123","kind":"arxiv","version":2},"metadata":{"license":"","primary_cat":"hep-ph","submitted_at":"2007-02-12T19:29:29Z","cross_cats_sorted":[],"title_canon_sha256":"622c15387eb11c8595259598ca07e25041f993c51279a0b509489dbe38a43573","abstract_canon_sha256":"5fe20484270d8215bf7fe07b6357c6b4113f6ae43df8ed3067f77de232b8dcbe"},"schema_version":"1.0"},"canonical_sha256":"b9db0a49e2db05068eee13916faeb551c0da805e3de76fa71297ad56e08c6094","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-04T17:27:07.153803Z","signature_b64":"LD0FoAVyQ/rq0Qc8bSFsEwPvzU846HnUHSE4is8oQMSce7gxoxKQFD0wh4SAwxX4h3LN4FAjQnn0UsoBucXcBg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"b9db0a49e2db05068eee13916faeb551c0da805e3de76fa71297ad56e08c6094","last_reissued_at":"2026-07-04T17:27:07.153405Z","signature_status":"signed_v1","first_computed_at":"2026-07-04T17:27:07.153405Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"hep-ph/0702123","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":"2026-07-04T17:27:07Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"sq1ZknNZzdHcB8RLHiPxuNzGZU/rqrk4P1aP2IdoAbeiOYhs0c0QhccgovmKlo1oKWLOiExku+LoPvzjP0yhBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-13T17:47:06.904209Z"},"content_sha256":"84a70ca48e9304152701c6bde7d68dc627f5ba809f8865012804c2d06db333e7","schema_version":"1.0","event_id":"sha256:84a70ca48e9304152701c6bde7d68dc627f5ba809f8865012804c2d06db333e7"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2007:XHNQUSPC3MCQNDXOCOIW7LVVKH","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"The Stueckelberg $Z'$ Extension with Kinetic Mixing and Milli-Charged Dark Matter From the Hidden Sector","license":"","headline":"","cross_cats":[],"primary_cat":"hep-ph","authors_text":"Daniel Feldman, Pran Nath, Zuowei Liu","submitted_at":"2007-02-12T19:29:29Z","abstract_excerpt":"An analysis is given of the Stueckelberg extension of the Standard Model with a hidden sector gauge group $U(1)_X$ where the mass growth for the extra gauge boson occurs via the Stueckelberg mechanism, and where the kinetic mixing in the $U(1)_X\\times U(1)_Y$ sector is included. Such a kinetic mixing is generic in a broad class of supergravity and string models. We carry out a detailed global fit of the model with the precision LEP data on and off the $Z$ pole, with $\\chi^2$ within 1% of the $\\chi^2$ of the Standard Model fit. Further, it is shown that in the absence of matter in the hidden se"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"hep-ph/0702123","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/hep-ph/0702123/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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":"2026-07-04T17:27:07Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"HgrQDnuDLRH0rv7P3FAdWPDhkL1nsZpgKpKLK3NUqFtsPHBKCSL6sEKSV358N39s9xeI5zW0KnuZYIBABFRADA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-13T17:47:06.904723Z"},"content_sha256":"4846ee214516a01119280a497ec60c97b9114ee93a38c9f2fc03dded6376b0a3","schema_version":"1.0","event_id":"sha256:4846ee214516a01119280a497ec60c97b9114ee93a38c9f2fc03dded6376b0a3"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/XHNQUSPC3MCQNDXOCOIW7LVVKH/bundle.json","state_url":"https://pith.science/pith/XHNQUSPC3MCQNDXOCOIW7LVVKH/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/XHNQUSPC3MCQNDXOCOIW7LVVKH/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":"2026-08-13T17:47:06Z","links":{"resolver":"https://pith.science/pith/XHNQUSPC3MCQNDXOCOIW7LVVKH","bundle":"https://pith.science/pith/XHNQUSPC3MCQNDXOCOIW7LVVKH/bundle.json","state":"https://pith.science/pith/XHNQUSPC3MCQNDXOCOIW7LVVKH/state.json","well_known_bundle":"https://pith.science/.well-known/pith/XHNQUSPC3MCQNDXOCOIW7LVVKH/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2007:XHNQUSPC3MCQNDXOCOIW7LVVKH","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":"5fe20484270d8215bf7fe07b6357c6b4113f6ae43df8ed3067f77de232b8dcbe","cross_cats_sorted":[],"license":"","primary_cat":"hep-ph","submitted_at":"2007-02-12T19:29:29Z","title_canon_sha256":"622c15387eb11c8595259598ca07e25041f993c51279a0b509489dbe38a43573"},"schema_version":"1.0","source":{"id":"hep-ph/0702123","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"hep-ph/0702123","created_at":"2026-07-04T17:27:07Z"},{"alias_kind":"arxiv_version","alias_value":"hep-ph/0702123v2","created_at":"2026-07-04T17:27:07Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.hep-ph/0702123","created_at":"2026-07-04T17:27:07Z"},{"alias_kind":"pith_short_12","alias_value":"XHNQUSPC3MCQ","created_at":"2026-07-04T17:27:07Z"},{"alias_kind":"pith_short_16","alias_value":"XHNQUSPC3MCQNDXO","created_at":"2026-07-04T17:27:07Z"},{"alias_kind":"pith_short_8","alias_value":"XHNQUSPC","created_at":"2026-07-04T17:27:07Z"}],"graph_snapshots":[{"event_id":"sha256:4846ee214516a01119280a497ec60c97b9114ee93a38c9f2fc03dded6376b0a3","target":"graph","created_at":"2026-07-04T17:27:07Z","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"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/hep-ph/0702123/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"An analysis is given of the Stueckelberg extension of the Standard Model with a hidden sector gauge group $U(1)_X$ where the mass growth for the extra gauge boson occurs via the Stueckelberg mechanism, and where the kinetic mixing in the $U(1)_X\\times U(1)_Y$ sector is included. Such a kinetic mixing is generic in a broad class of supergravity and string models. We carry out a detailed global fit of the model with the precision LEP data on and off the $Z$ pole, with $\\chi^2$ within 1% of the $\\chi^2$ of the Standard Model fit. Further, it is shown that in the absence of matter in the hidden se","authors_text":"Daniel Feldman, Pran Nath, Zuowei Liu","cross_cats":[],"headline":"","license":"","primary_cat":"hep-ph","submitted_at":"2007-02-12T19:29:29Z","title":"The Stueckelberg $Z'$ Extension with Kinetic Mixing and Milli-Charged Dark Matter From the Hidden Sector"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"hep-ph/0702123","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":"sha256:84a70ca48e9304152701c6bde7d68dc627f5ba809f8865012804c2d06db333e7","target":"record","created_at":"2026-07-04T17:27:07Z","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":"5fe20484270d8215bf7fe07b6357c6b4113f6ae43df8ed3067f77de232b8dcbe","cross_cats_sorted":[],"license":"","primary_cat":"hep-ph","submitted_at":"2007-02-12T19:29:29Z","title_canon_sha256":"622c15387eb11c8595259598ca07e25041f993c51279a0b509489dbe38a43573"},"schema_version":"1.0","source":{"id":"hep-ph/0702123","kind":"arxiv","version":2}},"canonical_sha256":"b9db0a49e2db05068eee13916faeb551c0da805e3de76fa71297ad56e08c6094","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"b9db0a49e2db05068eee13916faeb551c0da805e3de76fa71297ad56e08c6094","first_computed_at":"2026-07-04T17:27:07.153405Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-04T17:27:07.153405Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"LD0FoAVyQ/rq0Qc8bSFsEwPvzU846HnUHSE4is8oQMSce7gxoxKQFD0wh4SAwxX4h3LN4FAjQnn0UsoBucXcBg==","signature_status":"signed_v1","signed_at":"2026-07-04T17:27:07.153803Z","signed_message":"canonical_sha256_bytes"},"source_id":"hep-ph/0702123","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:84a70ca48e9304152701c6bde7d68dc627f5ba809f8865012804c2d06db333e7","sha256:4846ee214516a01119280a497ec60c97b9114ee93a38c9f2fc03dded6376b0a3"],"state_sha256":"ea791494ca65bcfbc4d59bbb3bb9b7e41658f93eb63e828b2febf2d883de874f"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"+oV5krZZa/zZHvSMtZT46Z7aQUKzVBARK8WvOAWCF+h8vo5NnWItpcJY9Ipr8USHYEQKkP53o71nzvJYTdt3Bg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-13T17:47:06.909976Z","bundle_sha256":"959615e98f9a660ffae2dada23650d8d24f5eff28744d205f8740f138fe298d6"}}