{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:1999:2BBOMQYHD7MNZOY3HWZHELLLQU","short_pith_number":"pith:2BBOMQYH","schema_version":"1.0","canonical_sha256":"d042e643071fd8dcbb1b3db2722d6b851b0a972acc4f39dd79f9713dab5af4c8","source":{"kind":"arxiv","id":"nucl-ex/9910015","version":1},"attestation_state":"computed","paper":{"title":"Recent results from Pb-Au collisions at 158 GeV/c per nucleon obtained with the CERES spectrometer","license":"","headline":"","cross_cats":[],"primary_cat":"nucl-ex","authors_text":"B.Lenkeit, CERES-Collaboration, et al","submitted_at":"1999-10-22T11:27:54Z","abstract_excerpt":"During the 1996 lead run time, CERES has accumulated 42 million events, corresponding to a factor of 5 more statistics than in 1995 and 2.5 million events of a special photon-run. We report on the results of the low-mass e$^+$e$^-$-pair analysis. Since the most critical item is the poor signal-to-background ratio we also discuss the understanding of this background, in absolute terms, with the help of a detailed Monte Carlo simulation. We show preliminary results of the photon analysis and summarize the results of the hadron analysis preliminarily reported on already at QM'97"},"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":"nucl-ex/9910015","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"nucl-ex","submitted_at":"1999-10-22T11:27:54Z","cross_cats_sorted":[],"title_canon_sha256":"29b9bef93af1572cd8b8be7fd7a39a6695bdd2cea585d5ae2d7a1f8fa4ed4f71","abstract_canon_sha256":"a6a4ada8798debdf136fa237bb3302aa272eff411e82a94f020a5eb664b21d9f"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:38:16.586388Z","signature_b64":"goQ+Eg8AM4o6AVnAkd2orgxF4f+5/s/YtjZiKB0GaInn2BYiaLrwYNcnbAjieb0MleLbH9a+CgS13Ltc4oHBBw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"d042e643071fd8dcbb1b3db2722d6b851b0a972acc4f39dd79f9713dab5af4c8","last_reissued_at":"2026-05-18T01:38:16.585692Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:38:16.585692Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Recent results from Pb-Au collisions at 158 GeV/c per nucleon obtained with the CERES spectrometer","license":"","headline":"","cross_cats":[],"primary_cat":"nucl-ex","authors_text":"B.Lenkeit, CERES-Collaboration, et al","submitted_at":"1999-10-22T11:27:54Z","abstract_excerpt":"During the 1996 lead run time, CERES has accumulated 42 million events, corresponding to a factor of 5 more statistics than in 1995 and 2.5 million events of a special photon-run. We report on the results of the low-mass e$^+$e$^-$-pair analysis. Since the most critical item is the poor signal-to-background ratio we also discuss the understanding of this background, in absolute terms, with the help of a detailed Monte Carlo simulation. We show preliminary results of the photon analysis and summarize the results of the hadron analysis preliminarily reported on already at QM'97"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"nucl-ex/9910015","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":"nucl-ex/9910015","created_at":"2026-05-18T01:38:16.585800+00:00"},{"alias_kind":"arxiv_version","alias_value":"nucl-ex/9910015v1","created_at":"2026-05-18T01:38:16.585800+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.nucl-ex/9910015","created_at":"2026-05-18T01:38:16.585800+00:00"},{"alias_kind":"pith_short_12","alias_value":"2BBOMQYHD7MN","created_at":"2026-05-18T12:25:49.038998+00:00"},{"alias_kind":"pith_short_16","alias_value":"2BBOMQYHD7MNZOY3","created_at":"2026-05-18T12:25:49.038998+00:00"},{"alias_kind":"pith_short_8","alias_value":"2BBOMQYH","created_at":"2026-05-18T12:25:49.038998+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/2BBOMQYHD7MNZOY3HWZHELLLQU","json":"https://pith.science/pith/2BBOMQYHD7MNZOY3HWZHELLLQU.json","graph_json":"https://pith.science/api/pith-number/2BBOMQYHD7MNZOY3HWZHELLLQU/graph.json","events_json":"https://pith.science/api/pith-number/2BBOMQYHD7MNZOY3HWZHELLLQU/events.json","paper":"https://pith.science/paper/2BBOMQYH"},"agent_actions":{"view_html":"https://pith.science/pith/2BBOMQYHD7MNZOY3HWZHELLLQU","download_json":"https://pith.science/pith/2BBOMQYHD7MNZOY3HWZHELLLQU.json","view_paper":"https://pith.science/paper/2BBOMQYH","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=nucl-ex/9910015&json=true","fetch_graph":"https://pith.science/api/pith-number/2BBOMQYHD7MNZOY3HWZHELLLQU/graph.json","fetch_events":"https://pith.science/api/pith-number/2BBOMQYHD7MNZOY3HWZHELLLQU/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/2BBOMQYHD7MNZOY3HWZHELLLQU/action/timestamp_anchor","attest_storage":"https://pith.science/pith/2BBOMQYHD7MNZOY3HWZHELLLQU/action/storage_attestation","attest_author":"https://pith.science/pith/2BBOMQYHD7MNZOY3HWZHELLLQU/action/author_attestation","sign_citation":"https://pith.science/pith/2BBOMQYHD7MNZOY3HWZHELLLQU/action/citation_signature","submit_replication":"https://pith.science/pith/2BBOMQYHD7MNZOY3HWZHELLLQU/action/replication_record"}},"created_at":"2026-05-18T01:38:16.585800+00:00","updated_at":"2026-05-18T01:38:16.585800+00:00"}