{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2011:ZDL7VAY3YUTOQJIOIKHGZS23OF","short_pith_number":"pith:ZDL7VAY3","schema_version":"1.0","canonical_sha256":"c8d7fa831bc526e8250e428e6ccb5b71655a9b9996e9876af54f77cb1e69bcf6","source":{"kind":"arxiv","id":"1103.1266","version":1},"attestation_state":"computed","paper":{"title":"Top quark forward-backward asymmetry from the $3-3-1$ model","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"hep-ph","authors_text":"E. Ramirez Barreto, J. S\\'a Borges, Y. A. Coutinho","submitted_at":"2011-03-07T13:01:55Z","abstract_excerpt":"The forward-backward asymmetry $A_{FB}$ in top quark pair production, measured at the Tevatron, is probably related to the contribution of new particles. The Tevatron result is more than a $2\\sigma$ deviation from the standard model prediction and motivates the application of alternative models introducing new states.\n  However, as the standard model predictions for the total cross section $\\sigma_{tt}$ and invariant mass distribution $M_{tt}$ for this process are in good agreement with experiments, any alternative model must reproduce these predictions. These models can be placed into two cat"},"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":"1103.1266","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2011-03-07T13:01:55Z","cross_cats_sorted":[],"title_canon_sha256":"a628bd0fcb482b6946c216ebaac513f16e4ee09df0eb72a766df2b7a1c1acb9a","abstract_canon_sha256":"b99920b56a280185011c50ee80c87c0e0cc689f79f851131ba0f84f2d3eb7e31"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T04:26:32.493947Z","signature_b64":"pE8Qr1FjoS28WiAwdmILsqxRwWjuVjc8eP1MXagn4sWYoYJEB0w/l3p3t9ukuYDdGv2ZVR5kprDtqYUJ1mqSDg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"c8d7fa831bc526e8250e428e6ccb5b71655a9b9996e9876af54f77cb1e69bcf6","last_reissued_at":"2026-05-18T04:26:32.493308Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T04:26:32.493308Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Top quark forward-backward asymmetry from the $3-3-1$ model","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"hep-ph","authors_text":"E. Ramirez Barreto, J. S\\'a Borges, Y. A. Coutinho","submitted_at":"2011-03-07T13:01:55Z","abstract_excerpt":"The forward-backward asymmetry $A_{FB}$ in top quark pair production, measured at the Tevatron, is probably related to the contribution of new particles. The Tevatron result is more than a $2\\sigma$ deviation from the standard model prediction and motivates the application of alternative models introducing new states.\n  However, as the standard model predictions for the total cross section $\\sigma_{tt}$ and invariant mass distribution $M_{tt}$ for this process are in good agreement with experiments, any alternative model must reproduce these predictions. These models can be placed into two cat"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1103.1266","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"},"aliases":[{"alias_kind":"arxiv","alias_value":"1103.1266","created_at":"2026-05-18T04:26:32.493425+00:00"},{"alias_kind":"arxiv_version","alias_value":"1103.1266v1","created_at":"2026-05-18T04:26:32.493425+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1103.1266","created_at":"2026-05-18T04:26:32.493425+00:00"},{"alias_kind":"pith_short_12","alias_value":"ZDL7VAY3YUTO","created_at":"2026-05-18T12:26:47.523578+00:00"},{"alias_kind":"pith_short_16","alias_value":"ZDL7VAY3YUTOQJIO","created_at":"2026-05-18T12:26:47.523578+00:00"},{"alias_kind":"pith_short_8","alias_value":"ZDL7VAY3","created_at":"2026-05-18T12:26:47.523578+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":0,"internal_anchor_count":0,"sample":[]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/ZDL7VAY3YUTOQJIOIKHGZS23OF","json":"https://pith.science/pith/ZDL7VAY3YUTOQJIOIKHGZS23OF.json","graph_json":"https://pith.science/api/pith-number/ZDL7VAY3YUTOQJIOIKHGZS23OF/graph.json","events_json":"https://pith.science/api/pith-number/ZDL7VAY3YUTOQJIOIKHGZS23OF/events.json","paper":"https://pith.science/paper/ZDL7VAY3"},"agent_actions":{"view_html":"https://pith.science/pith/ZDL7VAY3YUTOQJIOIKHGZS23OF","download_json":"https://pith.science/pith/ZDL7VAY3YUTOQJIOIKHGZS23OF.json","view_paper":"https://pith.science/paper/ZDL7VAY3","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1103.1266&json=true","fetch_graph":"https://pith.science/api/pith-number/ZDL7VAY3YUTOQJIOIKHGZS23OF/graph.json","fetch_events":"https://pith.science/api/pith-number/ZDL7VAY3YUTOQJIOIKHGZS23OF/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/ZDL7VAY3YUTOQJIOIKHGZS23OF/action/timestamp_anchor","attest_storage":"https://pith.science/pith/ZDL7VAY3YUTOQJIOIKHGZS23OF/action/storage_attestation","attest_author":"https://pith.science/pith/ZDL7VAY3YUTOQJIOIKHGZS23OF/action/author_attestation","sign_citation":"https://pith.science/pith/ZDL7VAY3YUTOQJIOIKHGZS23OF/action/citation_signature","submit_replication":"https://pith.science/pith/ZDL7VAY3YUTOQJIOIKHGZS23OF/action/replication_record"}},"created_at":"2026-05-18T04:26:32.493425+00:00","updated_at":"2026-05-18T04:26:32.493425+00:00"}