{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2019:MDTQM762FNN6F424NUO4USN4BO","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":"5351ec52ec41a14a58bb230200179e520e164a79e4fbc5326e4af00b2a803ee8","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"hep-ex","submitted_at":"2019-02-01T22:03:23Z","title_canon_sha256":"fac54c20d5de2894ef196c426f05f7967a4016d8426190c60d1c06832d024a1f"},"schema_version":"1.0","source":{"id":"1902.00571","kind":"arxiv","version":3}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1902.00571","created_at":"2026-05-17T23:49:02Z"},{"alias_kind":"arxiv_version","alias_value":"1902.00571v3","created_at":"2026-05-17T23:49:02Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1902.00571","created_at":"2026-05-17T23:49:02Z"},{"alias_kind":"pith_short_12","alias_value":"MDTQM762FNN6","created_at":"2026-05-18T12:33:21Z"},{"alias_kind":"pith_short_16","alias_value":"MDTQM762FNN6F424","created_at":"2026-05-18T12:33:21Z"},{"alias_kind":"pith_short_8","alias_value":"MDTQM762","created_at":"2026-05-18T12:33:21Z"}],"graph_snapshots":[{"event_id":"sha256:99ade73c6b6f7eb8d23775c1224bc3b035580d5ddc6d60c37984724f71212854","target":"graph","created_at":"2026-05-17T23:49:02Z","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"},"paper":{"abstract_excerpt":"Signals consistent with the B$^+_\\mathrm{c}$(2S) and B$^{*+}_\\mathrm{c}$(2S) states are observed in proton-proton collisions at $\\sqrt{s} =$ 13 TeV, in an event sample corresponding to an integrated luminosity of 143 fb$^{-1}$, collected by the CMS experiment during the 2015-2018 LHC running periods. These excited $\\bar{\\mathrm{b}}$c states are observed in the B$^+_\\mathrm{c}\\pi^+\\pi^-$ invariant mass spectrum, with the ground state B$^+_\\mathrm{c}$ reconstructed through its decay to J/$\\psi\\,\\pi^+$. The two states are reconstructed as two well-resolved peaks, separated in mass by 29.1 $\\pm$ 1","authors_text":"CMS Collaboration","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"hep-ex","submitted_at":"2019-02-01T22:03:23Z","title":"Observation of two excited B$^+_\\mathrm{c}$ states and measurement of the B$^+_\\mathrm{c}$(2S) mass in pp collisions at $\\sqrt{s} =$ 13 TeV"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1902.00571","kind":"arxiv","version":3},"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":"sha256:5a1377b4401af9443d679cdbea0b532bfb8f5a896929f516bdf6bede85fbcad3","target":"record","created_at":"2026-05-17T23:49:02Z","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":"5351ec52ec41a14a58bb230200179e520e164a79e4fbc5326e4af00b2a803ee8","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"hep-ex","submitted_at":"2019-02-01T22:03:23Z","title_canon_sha256":"fac54c20d5de2894ef196c426f05f7967a4016d8426190c60d1c06832d024a1f"},"schema_version":"1.0","source":{"id":"1902.00571","kind":"arxiv","version":3}},"canonical_sha256":"60e7067fda2b5be2f35c6d1dca49bc0b8bb68f01fa2a465df0a0565ab0b83163","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"60e7067fda2b5be2f35c6d1dca49bc0b8bb68f01fa2a465df0a0565ab0b83163","first_computed_at":"2026-05-17T23:49:02.043789Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-17T23:49:02.043789Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"SqE5Aug3Ys6xdb6Q3qTXY8AznwMbDwkaXYOc7dYM9ZQXmccdHTchbqQsKPW/k3DpoV24b5vtY/KVnD7ybqsrAA==","signature_status":"signed_v1","signed_at":"2026-05-17T23:49:02.044214Z","signed_message":"canonical_sha256_bytes"},"source_id":"1902.00571","source_kind":"arxiv","source_version":3}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:5a1377b4401af9443d679cdbea0b532bfb8f5a896929f516bdf6bede85fbcad3","sha256:99ade73c6b6f7eb8d23775c1224bc3b035580d5ddc6d60c37984724f71212854"],"state_sha256":"d2004e7b471ce40e369af6debcb7c97f23675cfb398af961da32cdbb1af2b1f7"}