{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2001:PLPHU3CJNSDXHFNGVWP4KT7HV3","short_pith_number":"pith:PLPHU3CJ","canonical_record":{"source":{"id":"hep-ph/0102238","kind":"arxiv","version":2},"metadata":{"license":"","primary_cat":"hep-ph","submitted_at":"2001-02-19T17:42:08Z","cross_cats_sorted":["hep-ex"],"title_canon_sha256":"f3d3b458d1c976da13838289dd5ee5fb665e3644515c7590efbc8c8fbd9de24f","abstract_canon_sha256":"0c9bc8b3b4061a3768958a2cb40a845bd02159310ff2574417275c27911f3532"},"schema_version":"1.0"},"canonical_sha256":"7ade7a6c496c877395a6ad9fc54fe7aef9680b2ff4f6199097e961a556ed0589","source":{"kind":"arxiv","id":"hep-ph/0102238","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"hep-ph/0102238","created_at":"2026-07-04T17:18:40Z"},{"alias_kind":"arxiv_version","alias_value":"hep-ph/0102238v2","created_at":"2026-07-04T17:18:40Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.hep-ph/0102238","created_at":"2026-07-04T17:18:40Z"},{"alias_kind":"pith_short_12","alias_value":"PLPHU3CJNSDX","created_at":"2026-07-04T17:18:40Z"},{"alias_kind":"pith_short_16","alias_value":"PLPHU3CJNSDXHFNG","created_at":"2026-07-04T17:18:40Z"},{"alias_kind":"pith_short_8","alias_value":"PLPHU3CJ","created_at":"2026-07-04T17:18:40Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2001:PLPHU3CJNSDXHFNGVWP4KT7HV3","target":"record","payload":{"canonical_record":{"source":{"id":"hep-ph/0102238","kind":"arxiv","version":2},"metadata":{"license":"","primary_cat":"hep-ph","submitted_at":"2001-02-19T17:42:08Z","cross_cats_sorted":["hep-ex"],"title_canon_sha256":"f3d3b458d1c976da13838289dd5ee5fb665e3644515c7590efbc8c8fbd9de24f","abstract_canon_sha256":"0c9bc8b3b4061a3768958a2cb40a845bd02159310ff2574417275c27911f3532"},"schema_version":"1.0"},"canonical_sha256":"7ade7a6c496c877395a6ad9fc54fe7aef9680b2ff4f6199097e961a556ed0589","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-04T17:18:40.545722Z","signature_b64":"kLE0iz5/8CFGI0vrlS7dW4Wy4zo9Ou230rYW68BeYZLa4QwfJK15AR2tcR2r5AGaj6vnMD3J1sIKBjiyrL1UCQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"7ade7a6c496c877395a6ad9fc54fe7aef9680b2ff4f6199097e961a556ed0589","last_reissued_at":"2026-07-04T17:18:40.545307Z","signature_status":"signed_v1","first_computed_at":"2026-07-04T17:18:40.545307Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"hep-ph/0102238","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":"2026-07-04T17:18:40Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"jFlbrpPze757PRvZbNtTqcxfz3jHxXFm3DXk7Lm4/AG7hl99bZBacTTHslOXbx2q1EAopEbC98HsDW6+zpjQDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-03T14:15:35.221139Z"},"content_sha256":"147526480bfe1092cf46c4b859bff686669ef0e330d09509b9a02bcb2fb857b7","schema_version":"1.0","event_id":"sha256:147526480bfe1092cf46c4b859bff686669ef0e330d09509b9a02bcb2fb857b7"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2001:PLPHU3CJNSDXHFNGVWP4KT7HV3","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Muon Anomalous Magnetic Moment and Leptoquark Solutions","license":"","headline":"","cross_cats":["hep-ex"],"primary_cat":"hep-ph","authors_text":"Kingman Cheung (NCTS)","submitted_at":"2001-02-19T17:42:08Z","abstract_excerpt":"The recent measurement on the muon anomalous magnetic moment $a_\\mu$ shows a $2.6\\sigma$ deviation from the standard model value. We show that it puts an interesting bound on the mass of the second generation leptoquarks. To account for the data the leptoquark must have both the left- and right-handed couplings to the muon. Assuming that the couplings have electromagnetic strength, the mass is restricted in the range $0.7 {\\rm TeV} < M_{\\rm LQ} < 2.2$ TeV at 95% C.L. We also discuss constraints coming from other low energy and high energy experiments. If the first-second-generation universalit"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"hep-ph/0102238","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/0102238/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":"2026-07-04T17:18:40Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"rFfphDydMohbKfcoigNn4/E0/ss70syxCQ/fIy07iJuUNyqoIndgYkEphFpTrh4NUf7X5+0Gy0xMqWIOYJr8AQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-03T14:15:35.221672Z"},"content_sha256":"420a82a599f80e5e9ef62c704f410efedad0c517c7044283691b0d2a62b9a035","schema_version":"1.0","event_id":"sha256:420a82a599f80e5e9ef62c704f410efedad0c517c7044283691b0d2a62b9a035"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/PLPHU3CJNSDXHFNGVWP4KT7HV3/bundle.json","state_url":"https://pith.science/pith/PLPHU3CJNSDXHFNGVWP4KT7HV3/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/PLPHU3CJNSDXHFNGVWP4KT7HV3/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":"2026-08-03T14:15:35Z","links":{"resolver":"https://pith.science/pith/PLPHU3CJNSDXHFNGVWP4KT7HV3","bundle":"https://pith.science/pith/PLPHU3CJNSDXHFNGVWP4KT7HV3/bundle.json","state":"https://pith.science/pith/PLPHU3CJNSDXHFNGVWP4KT7HV3/state.json","well_known_bundle":"https://pith.science/.well-known/pith/PLPHU3CJNSDXHFNGVWP4KT7HV3/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2001:PLPHU3CJNSDXHFNGVWP4KT7HV3","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":"0c9bc8b3b4061a3768958a2cb40a845bd02159310ff2574417275c27911f3532","cross_cats_sorted":["hep-ex"],"license":"","primary_cat":"hep-ph","submitted_at":"2001-02-19T17:42:08Z","title_canon_sha256":"f3d3b458d1c976da13838289dd5ee5fb665e3644515c7590efbc8c8fbd9de24f"},"schema_version":"1.0","source":{"id":"hep-ph/0102238","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"hep-ph/0102238","created_at":"2026-07-04T17:18:40Z"},{"alias_kind":"arxiv_version","alias_value":"hep-ph/0102238v2","created_at":"2026-07-04T17:18:40Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.hep-ph/0102238","created_at":"2026-07-04T17:18:40Z"},{"alias_kind":"pith_short_12","alias_value":"PLPHU3CJNSDX","created_at":"2026-07-04T17:18:40Z"},{"alias_kind":"pith_short_16","alias_value":"PLPHU3CJNSDXHFNG","created_at":"2026-07-04T17:18:40Z"},{"alias_kind":"pith_short_8","alias_value":"PLPHU3CJ","created_at":"2026-07-04T17:18:40Z"}],"graph_snapshots":[{"event_id":"sha256:420a82a599f80e5e9ef62c704f410efedad0c517c7044283691b0d2a62b9a035","target":"graph","created_at":"2026-07-04T17:18:40Z","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/0102238/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"The recent measurement on the muon anomalous magnetic moment $a_\\mu$ shows a $2.6\\sigma$ deviation from the standard model value. We show that it puts an interesting bound on the mass of the second generation leptoquarks. To account for the data the leptoquark must have both the left- and right-handed couplings to the muon. Assuming that the couplings have electromagnetic strength, the mass is restricted in the range $0.7 {\\rm TeV} < M_{\\rm LQ} < 2.2$ TeV at 95% C.L. We also discuss constraints coming from other low energy and high energy experiments. If the first-second-generation universalit","authors_text":"Kingman Cheung (NCTS)","cross_cats":["hep-ex"],"headline":"","license":"","primary_cat":"hep-ph","submitted_at":"2001-02-19T17:42:08Z","title":"Muon Anomalous Magnetic Moment and Leptoquark Solutions"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"hep-ph/0102238","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":"sha256:147526480bfe1092cf46c4b859bff686669ef0e330d09509b9a02bcb2fb857b7","target":"record","created_at":"2026-07-04T17:18:40Z","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":"0c9bc8b3b4061a3768958a2cb40a845bd02159310ff2574417275c27911f3532","cross_cats_sorted":["hep-ex"],"license":"","primary_cat":"hep-ph","submitted_at":"2001-02-19T17:42:08Z","title_canon_sha256":"f3d3b458d1c976da13838289dd5ee5fb665e3644515c7590efbc8c8fbd9de24f"},"schema_version":"1.0","source":{"id":"hep-ph/0102238","kind":"arxiv","version":2}},"canonical_sha256":"7ade7a6c496c877395a6ad9fc54fe7aef9680b2ff4f6199097e961a556ed0589","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"7ade7a6c496c877395a6ad9fc54fe7aef9680b2ff4f6199097e961a556ed0589","first_computed_at":"2026-07-04T17:18:40.545307Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-04T17:18:40.545307Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"kLE0iz5/8CFGI0vrlS7dW4Wy4zo9Ou230rYW68BeYZLa4QwfJK15AR2tcR2r5AGaj6vnMD3J1sIKBjiyrL1UCQ==","signature_status":"signed_v1","signed_at":"2026-07-04T17:18:40.545722Z","signed_message":"canonical_sha256_bytes"},"source_id":"hep-ph/0102238","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:147526480bfe1092cf46c4b859bff686669ef0e330d09509b9a02bcb2fb857b7","sha256:420a82a599f80e5e9ef62c704f410efedad0c517c7044283691b0d2a62b9a035"],"state_sha256":"99a24518b0656414405b256938666286f8559066e37e48b1c0b2c6c5c2c95436"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"GC/QPCzgbmN8WacSzW2Z2yAgbAct5+UwY93m3auqJt2d0PA40281uKV4Wl6cQ0hDES7C7EF8NPxDloDNR4iSAQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-03T14:15:35.225048Z","bundle_sha256":"2c5eb068876158d929b3561989005964c03c793f3b2800c29d57365ebb91a519"}}