{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2003:BHWAAE56TLE3T5KAKDLWA2DBK4","short_pith_number":"pith:BHWAAE56","schema_version":"1.0","canonical_sha256":"09ec0013be9ac9b9f54050d760686157314ab8703d25986451f8223b1393ff86","source":{"kind":"arxiv","id":"hep-ex/0312021","version":1},"attestation_state":"computed","paper":{"title":"Observation of the Narrow State $X(3872)\\to J/\\psi\\pi^{+}\\pi^{-}$ in $\\bar{p}p$ Collisions at $\\sqrt{s}=1.96 \\TeV$","license":"","headline":"","cross_cats":[],"primary_cat":"hep-ex","authors_text":"A. Anastassov, D. Ambrose, D. Amidei, et al, K. Anikeev, M.G. Albrow, M.H. Ahn, S. Amerio, T. Affolder, T. Akimoto, the CDF II Collaboration: D. Acosta","submitted_at":"2003-12-05T18:16:14Z","abstract_excerpt":"We report the observation of a narrow state decaying into $J/\\psi\\pi^+\\pi^-$ and produced in $220 pb^{-1}$ of $\\bar{p} p $ collisions at $\\sqrt{s}=1.96 TeV$ in the CDF II experiment. We observe $ 730 \\pm 90 $ decays. The mass is measured to be $3871.3 \\pm 0.7 (stat) \\pm 0.4 (syst) MeV/c2$, with an observed width consistent with the detector resolution. This is in agreement with the recent observation by the Belle Collaboration of the X(3872) meson."},"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-ex/0312021","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"hep-ex","submitted_at":"2003-12-05T18:16:14Z","cross_cats_sorted":[],"title_canon_sha256":"b2e836927ee227ef9aa16f279f8878124434d120ebe3cb4528d1ae62dd282c12","abstract_canon_sha256":"f7010c0b986aa5ccba51f00419bc0af0d1b8e797f97906a10f55c7c1a95cc603"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-04T17:28:37.290205Z","signature_b64":"MTU1RA976sZXSjQarpN7XY0xPCbNEuyIO5EV1sUqeNgboaDZR+yuFXm5QKnzXUysswsVqHiKod2DBMJi0dCSBQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"09ec0013be9ac9b9f54050d760686157314ab8703d25986451f8223b1393ff86","last_reissued_at":"2026-07-04T17:28:37.289794Z","signature_status":"signed_v1","first_computed_at":"2026-07-04T17:28:37.289794Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Observation of the Narrow State $X(3872)\\to J/\\psi\\pi^{+}\\pi^{-}$ in $\\bar{p}p$ Collisions at $\\sqrt{s}=1.96 \\TeV$","license":"","headline":"","cross_cats":[],"primary_cat":"hep-ex","authors_text":"A. Anastassov, D. Ambrose, D. Amidei, et al, K. Anikeev, M.G. Albrow, M.H. Ahn, S. Amerio, T. Affolder, T. Akimoto, the CDF II Collaboration: D. Acosta","submitted_at":"2003-12-05T18:16:14Z","abstract_excerpt":"We report the observation of a narrow state decaying into $J/\\psi\\pi^+\\pi^-$ and produced in $220 pb^{-1}$ of $\\bar{p} p $ collisions at $\\sqrt{s}=1.96 TeV$ in the CDF II experiment. We observe $ 730 \\pm 90 $ decays. The mass is measured to be $3871.3 \\pm 0.7 (stat) \\pm 0.4 (syst) MeV/c2$, with an observed width consistent with the detector resolution. This is in agreement with the recent observation by the Belle Collaboration of the X(3872) meson."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"hep-ex/0312021","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-ex/0312021/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-ex/0312021","created_at":"2026-07-04T17:28:37.289858+00:00"},{"alias_kind":"arxiv_version","alias_value":"hep-ex/0312021v1","created_at":"2026-07-04T17:28:37.289858+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.hep-ex/0312021","created_at":"2026-07-04T17:28:37.289858+00:00"},{"alias_kind":"pith_short_12","alias_value":"BHWAAE56TLE3","created_at":"2026-07-04T17:28:37.289858+00:00"},{"alias_kind":"pith_short_16","alias_value":"BHWAAE56TLE3T5KA","created_at":"2026-07-04T17:28:37.289858+00:00"},{"alias_kind":"pith_short_8","alias_value":"BHWAAE56","created_at":"2026-07-04T17:28:37.289858+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":3,"internal_anchor_count":2,"sample":[{"citing_arxiv_id":"2606.29560","citing_title":"Probing the structure of $\\chi_{c1}(3872)$: Heavy quark symmetries at work","ref_index":4,"is_internal_anchor":true},{"citing_arxiv_id":"1705.00141","citing_title":"Hadronic molecules","ref_index":2,"is_internal_anchor":true},{"citing_arxiv_id":"2604.11646","citing_title":"All-charm tetraquarks at hadron colliders: A high-precision fragmentation perspective","ref_index":49,"is_internal_anchor":false}]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/BHWAAE56TLE3T5KAKDLWA2DBK4","json":"https://pith.science/pith/BHWAAE56TLE3T5KAKDLWA2DBK4.json","graph_json":"https://pith.science/api/pith-number/BHWAAE56TLE3T5KAKDLWA2DBK4/graph.json","events_json":"https://pith.science/api/pith-number/BHWAAE56TLE3T5KAKDLWA2DBK4/events.json","paper":"https://pith.science/paper/BHWAAE56"},"agent_actions":{"view_html":"https://pith.science/pith/BHWAAE56TLE3T5KAKDLWA2DBK4","download_json":"https://pith.science/pith/BHWAAE56TLE3T5KAKDLWA2DBK4.json","view_paper":"https://pith.science/paper/BHWAAE56","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=hep-ex/0312021&json=true","fetch_graph":"https://pith.science/api/pith-number/BHWAAE56TLE3T5KAKDLWA2DBK4/graph.json","fetch_events":"https://pith.science/api/pith-number/BHWAAE56TLE3T5KAKDLWA2DBK4/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/BHWAAE56TLE3T5KAKDLWA2DBK4/action/timestamp_anchor","attest_storage":"https://pith.science/pith/BHWAAE56TLE3T5KAKDLWA2DBK4/action/storage_attestation","attest_author":"https://pith.science/pith/BHWAAE56TLE3T5KAKDLWA2DBK4/action/author_attestation","sign_citation":"https://pith.science/pith/BHWAAE56TLE3T5KAKDLWA2DBK4/action/citation_signature","submit_replication":"https://pith.science/pith/BHWAAE56TLE3T5KAKDLWA2DBK4/action/replication_record"}},"created_at":"2026-07-04T17:28:37.289858+00:00","updated_at":"2026-07-04T17:28:37.289858+00:00"}