{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2026:O22KA2DI6MTH6JN7QMIUX5ZPJY","short_pith_number":"pith:O22KA2DI","schema_version":"1.0","canonical_sha256":"76b4a06868f3267f25bf83114bf72f4e3d857848e02b02ec1b7b8e46b66a5840","source":{"kind":"arxiv","id":"2604.18061","version":2},"attestation_state":"computed","paper":{"title":"Enhanced evidence of $X(7200)$ and improved measurements of $X(6900)$ parameters from a combined LHCb-ATLAS-CMS analysis","license":"http://creativecommons.org/licenses/by/4.0/","headline":"Combining data from three LHC experiments strengthens evidence for the X(7200) and refines the X(6900) parameters in the di-J/ψ spectrum.","cross_cats":[],"primary_cat":"hep-ex","authors_text":"Bin Zhong, Ran Li, Yaqian Wang, Yuan Wang","submitted_at":"2026-04-20T10:31:03Z","abstract_excerpt":"We report stronger evidence for the $X(7200)$ state and markedly improved measurements of the $X(6900)$ resonance parameters based on a combined analysis of the di-$J/\\psi$ mass spectrum using published data from LHCb, ATLAS, and CMS. Through simultaneous fits to the datasets from all three experiments, we observe the $X(6900)$ with overwhelming significance ($>12\\sigma$) and determine its mass and width with improved precision. For the $X(7200)$, we find consistent signals across multiple interference models, with significances ranging from $3.7\\sigma$ to $6.6\\sigma$; in the best-fit model (t"},"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":"2604.18061","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"hep-ex","submitted_at":"2026-04-20T10:31:03Z","cross_cats_sorted":[],"title_canon_sha256":"a818ea7de3d23b16f739729ede388f12b4c91ac3acb23f5a4ae7951802c76cf6","abstract_canon_sha256":"3ce0de48260e398a2cb48ffc0efe5e40d08330341ded467c96b9ff5aa66f310c"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-29T02:05:44.967308Z","signature_b64":"p9dY3pellTRzP+hoThswwySriPISEnpqenVB0XaE1RC6RQ5NHBmsyk8DCGZpK1WS8TjlGb6fx4tlpf9APoC2Bg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"76b4a06868f3267f25bf83114bf72f4e3d857848e02b02ec1b7b8e46b66a5840","last_reissued_at":"2026-05-29T02:05:44.966557Z","signature_status":"signed_v1","first_computed_at":"2026-05-29T02:05:44.966557Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Enhanced evidence of $X(7200)$ and improved measurements of $X(6900)$ parameters from a combined LHCb-ATLAS-CMS analysis","license":"http://creativecommons.org/licenses/by/4.0/","headline":"Combining data from three LHC experiments strengthens evidence for the X(7200) and refines the X(6900) parameters in the di-J/ψ spectrum.","cross_cats":[],"primary_cat":"hep-ex","authors_text":"Bin Zhong, Ran Li, Yaqian Wang, Yuan Wang","submitted_at":"2026-04-20T10:31:03Z","abstract_excerpt":"We report stronger evidence for the $X(7200)$ state and markedly improved measurements of the $X(6900)$ resonance parameters based on a combined analysis of the di-$J/\\psi$ mass spectrum using published data from LHCb, ATLAS, and CMS. Through simultaneous fits to the datasets from all three experiments, we observe the $X(6900)$ with overwhelming significance ($>12\\sigma$) and determine its mass and width with improved precision. For the $X(7200)$, we find consistent signals across multiple interference models, with significances ranging from $3.7\\sigma$ to $6.6\\sigma$; in the best-fit model (t"},"claims":{"count":4,"items":[{"kind":"strongest_claim","text":"We observe the X(6900) with overwhelming significance (>12σ) and ... for the X(7200), we find consistent signals across multiple interference models, with significances ranging from 3.7σ to 6.6σ; the best-fit model (adopting the CMS three-resonance scheme) yields 6.6σ significance.","source":"verdict.strongest_claim","status":"machine_extracted","claim_id":"C1","attestation":"unclaimed"},{"kind":"weakest_assumption","text":"That the structures seen in the three independent experiments arise from the same physical resonances and that the chosen interference models plus background parametrizations fully capture the data without unaccounted systematic distortions or additional unknown contributions.","source":"verdict.weakest_assumption","status":"machine_extracted","claim_id":"C2","attestation":"unclaimed"},{"kind":"one_line_summary","text":"Simultaneous fits to LHCb-ATLAS-CMS data raise X(7200) evidence to 3.7–6.6σ (best 6.6σ) while confirming X(6900) at >12σ with improved mass and width precision.","source":"verdict.one_line_summary","status":"machine_extracted","claim_id":"C3","attestation":"unclaimed"},{"kind":"headline","text":"Combining data from three LHC experiments strengthens evidence for the X(7200) and refines the X(6900) parameters in the di-J/ψ spectrum.","source":"verdict.pith_extraction.headline","status":"machine_extracted","claim_id":"C4","attestation":"unclaimed"}],"snapshot_sha256":"cf41d339c2dd24d69ba6191c198405945a9dc17e7e458b0cc76814c37495f8aa"},"source":{"id":"2604.18061","kind":"arxiv","version":2},"verdict":{"id":"277e8b77-548e-41b0-81b1-897a2f17e637","model_set":{"reader":"grok-4.3"},"created_at":"2026-05-10T03:37:17.478992Z","strongest_claim":"We observe the X(6900) with overwhelming significance (>12σ) and ... for the X(7200), we find consistent signals across multiple interference models, with significances ranging from 3.7σ to 6.6σ; the best-fit model (adopting the CMS three-resonance scheme) yields 6.6σ significance.","one_line_summary":"Simultaneous fits to LHCb-ATLAS-CMS data raise X(7200) evidence to 3.7–6.6σ (best 6.6σ) while confirming X(6900) at >12σ with improved mass and width precision.","pipeline_version":"pith-pipeline@v0.9.0","weakest_assumption":"That the structures seen in the three independent experiments arise from the same physical resonances and that the chosen interference models plus background parametrizations fully capture the data without unaccounted systematic distortions or additional unknown contributions.","pith_extraction_headline":"Combining data from three LHC experiments strengthens evidence for the X(7200) and refines the X(6900) parameters in the di-J/ψ spectrum."},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2604.18061/integrity.json","findings":[],"available":true,"detectors_run":[{"name":"doi_compliance","ran_at":"2026-05-20T04:27:59.025226Z","status":"completed","version":"1.0.0","findings_count":0}],"snapshot_sha256":"5e5405b11ced70f3721e1674cc4e6498e5bb456333f95019ed62d98a61e32bb4"},"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":"2604.18061","created_at":"2026-05-29T02:05:44.966676+00:00"},{"alias_kind":"arxiv_version","alias_value":"2604.18061v2","created_at":"2026-05-29T02:05:44.966676+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2604.18061","created_at":"2026-05-29T02:05:44.966676+00:00"},{"alias_kind":"pith_short_12","alias_value":"O22KA2DI6MTH","created_at":"2026-05-29T02:05:44.966676+00:00"},{"alias_kind":"pith_short_16","alias_value":"O22KA2DI6MTH6JN7","created_at":"2026-05-29T02:05:44.966676+00:00"},{"alias_kind":"pith_short_8","alias_value":"O22KA2DI","created_at":"2026-05-29T02:05:44.966676+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":1,"internal_anchor_count":1,"sample":[{"citing_arxiv_id":"2606.06979","citing_title":"Investigation of fully heavy tetraquark within chiral quark model","ref_index":66,"is_internal_anchor":true}]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/O22KA2DI6MTH6JN7QMIUX5ZPJY","json":"https://pith.science/pith/O22KA2DI6MTH6JN7QMIUX5ZPJY.json","graph_json":"https://pith.science/api/pith-number/O22KA2DI6MTH6JN7QMIUX5ZPJY/graph.json","events_json":"https://pith.science/api/pith-number/O22KA2DI6MTH6JN7QMIUX5ZPJY/events.json","paper":"https://pith.science/paper/O22KA2DI"},"agent_actions":{"view_html":"https://pith.science/pith/O22KA2DI6MTH6JN7QMIUX5ZPJY","download_json":"https://pith.science/pith/O22KA2DI6MTH6JN7QMIUX5ZPJY.json","view_paper":"https://pith.science/paper/O22KA2DI","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2604.18061&json=true","fetch_graph":"https://pith.science/api/pith-number/O22KA2DI6MTH6JN7QMIUX5ZPJY/graph.json","fetch_events":"https://pith.science/api/pith-number/O22KA2DI6MTH6JN7QMIUX5ZPJY/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/O22KA2DI6MTH6JN7QMIUX5ZPJY/action/timestamp_anchor","attest_storage":"https://pith.science/pith/O22KA2DI6MTH6JN7QMIUX5ZPJY/action/storage_attestation","attest_author":"https://pith.science/pith/O22KA2DI6MTH6JN7QMIUX5ZPJY/action/author_attestation","sign_citation":"https://pith.science/pith/O22KA2DI6MTH6JN7QMIUX5ZPJY/action/citation_signature","submit_replication":"https://pith.science/pith/O22KA2DI6MTH6JN7QMIUX5ZPJY/action/replication_record"}},"created_at":"2026-05-29T02:05:44.966676+00:00","updated_at":"2026-05-29T02:05:44.966676+00:00"}