{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:1994:K7HCPBQHAX2S3BJJDUDYT6EOHL","short_pith_number":"pith:K7HCPBQH","schema_version":"1.0","canonical_sha256":"57ce27860705f52d85291d0789f88e3ae97e4c6cc9f9e7f1ffde310768d3108f","source":{"kind":"arxiv","id":"hep-ph/9409321","version":1},"attestation_state":"computed","paper":{"title":"Could Vector Leptoquarks be Rather Light?","license":"","headline":"","cross_cats":[],"primary_cat":"hep-ph","authors_text":"A.V.Kuznetsov, N.V.Mikheev","submitted_at":"1994-09-15T11:54:55Z","abstract_excerpt":"A possible Standard Model extension of the Pati-Salam type with a lepton number as the fourth color is reexamined. A new type of mixing in the interaction of the $SU(4)_V$--leptoquark with quarks and leptons is shown to be required. An additional arbitrariness of the mixing parameters could allow to decrease noticeably the lower bound on the leptoquark mass $M_X$ originated from the $\\pi$ and $K$ decays and the $\\mu e$ conversion. The only mixing independent bound emerging from the cosmological limit on the $\\pi^0 \\rightarrow \\nu \\bar{\\nu}$ decay width is $M_X > 18~TeV$."},"verification_status":{"content_addressed":true,"pith_receipt":true,"author_attested":false,"weak_author_claims":0,"strong_author_claims":0,"externally_anchored":false,"storage_verified":false,"citation_signatures":0,"replication_records":0,"graph_snapshot":true,"references_resolved":false,"formal_links_present":false},"canonical_record":{"source":{"id":"hep-ph/9409321","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"hep-ph","submitted_at":"1994-09-15T11:54:55Z","cross_cats_sorted":[],"title_canon_sha256":"aa685914f1b3cdb66b106cb33625a5fce94290b4708f40a4d01ca508ff12d61c","abstract_canon_sha256":"1d3c2782b76196c7b84cd33b57474c2e3e7d213b9b5e7bf2de93d87ad1a096d6"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-04T14:29:36.366965Z","signature_b64":"afkNJUWbwjzQKITBgmhujvidHzXdLRmRK0IbV6qV2PqOgFJ01XgtTJEkII2GfYY0J4xvZauua1D+iSeq0hRXAw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"57ce27860705f52d85291d0789f88e3ae97e4c6cc9f9e7f1ffde310768d3108f","last_reissued_at":"2026-07-04T14:29:36.366566Z","signature_status":"signed_v1","first_computed_at":"2026-07-04T14:29:36.366566Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Could Vector Leptoquarks be Rather Light?","license":"","headline":"","cross_cats":[],"primary_cat":"hep-ph","authors_text":"A.V.Kuznetsov, N.V.Mikheev","submitted_at":"1994-09-15T11:54:55Z","abstract_excerpt":"A possible Standard Model extension of the Pati-Salam type with a lepton number as the fourth color is reexamined. A new type of mixing in the interaction of the $SU(4)_V$--leptoquark with quarks and leptons is shown to be required. An additional arbitrariness of the mixing parameters could allow to decrease noticeably the lower bound on the leptoquark mass $M_X$ originated from the $\\pi$ and $K$ decays and the $\\mu e$ conversion. The only mixing independent bound emerging from the cosmological limit on the $\\pi^0 \\rightarrow \\nu \\bar{\\nu}$ decay width is $M_X > 18~TeV$."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"hep-ph/9409321","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/hep-ph/9409321/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"},"aliases":[{"alias_kind":"arxiv","alias_value":"hep-ph/9409321","created_at":"2026-07-04T14:29:36.366634+00:00"},{"alias_kind":"arxiv_version","alias_value":"hep-ph/9409321v1","created_at":"2026-07-04T14:29:36.366634+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.hep-ph/9409321","created_at":"2026-07-04T14:29:36.366634+00:00"},{"alias_kind":"pith_short_12","alias_value":"K7HCPBQHAX2S","created_at":"2026-07-04T14:29:36.366634+00:00"},{"alias_kind":"pith_short_16","alias_value":"K7HCPBQHAX2S3BJJ","created_at":"2026-07-04T14:29:36.366634+00:00"},{"alias_kind":"pith_short_8","alias_value":"K7HCPBQH","created_at":"2026-07-04T14:29:36.366634+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":1,"internal_anchor_count":1,"sample":[{"citing_arxiv_id":"2512.11113","citing_title":"TeV Scale Quark-Lepton Unification","ref_index":7,"is_internal_anchor":true}]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/K7HCPBQHAX2S3BJJDUDYT6EOHL","json":"https://pith.science/pith/K7HCPBQHAX2S3BJJDUDYT6EOHL.json","graph_json":"https://pith.science/api/pith-number/K7HCPBQHAX2S3BJJDUDYT6EOHL/graph.json","events_json":"https://pith.science/api/pith-number/K7HCPBQHAX2S3BJJDUDYT6EOHL/events.json","paper":"https://pith.science/paper/K7HCPBQH"},"agent_actions":{"view_html":"https://pith.science/pith/K7HCPBQHAX2S3BJJDUDYT6EOHL","download_json":"https://pith.science/pith/K7HCPBQHAX2S3BJJDUDYT6EOHL.json","view_paper":"https://pith.science/paper/K7HCPBQH","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=hep-ph/9409321&json=true","fetch_graph":"https://pith.science/api/pith-number/K7HCPBQHAX2S3BJJDUDYT6EOHL/graph.json","fetch_events":"https://pith.science/api/pith-number/K7HCPBQHAX2S3BJJDUDYT6EOHL/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/K7HCPBQHAX2S3BJJDUDYT6EOHL/action/timestamp_anchor","attest_storage":"https://pith.science/pith/K7HCPBQHAX2S3BJJDUDYT6EOHL/action/storage_attestation","attest_author":"https://pith.science/pith/K7HCPBQHAX2S3BJJDUDYT6EOHL/action/author_attestation","sign_citation":"https://pith.science/pith/K7HCPBQHAX2S3BJJDUDYT6EOHL/action/citation_signature","submit_replication":"https://pith.science/pith/K7HCPBQHAX2S3BJJDUDYT6EOHL/action/replication_record"}},"created_at":"2026-07-04T14:29:36.366634+00:00","updated_at":"2026-07-04T14:29:36.366634+00:00"}