{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:6V64RUTS47S3FZIRNQDPGK4MSQ","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":"9a1377111aef6b0f5e8be0c850787f5d643e80daa4323abcbcad870e57a1a2e3","cross_cats_sorted":["hep-ex"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"nucl-ex","submitted_at":"2018-07-02T23:24:17Z","title_canon_sha256":"7de7beabc14641e8bd3a0faf5a991f348f9fd4520eb05ee955f5c7da80801008"},"schema_version":"1.0","source":{"id":"1807.00923","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1807.00923","created_at":"2026-05-17T23:44:10Z"},{"alias_kind":"arxiv_version","alias_value":"1807.00923v2","created_at":"2026-05-17T23:44:10Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1807.00923","created_at":"2026-05-17T23:44:10Z"},{"alias_kind":"pith_short_12","alias_value":"6V64RUTS47S3","created_at":"2026-05-18T12:32:11Z"},{"alias_kind":"pith_short_16","alias_value":"6V64RUTS47S3FZIR","created_at":"2026-05-18T12:32:11Z"},{"alias_kind":"pith_short_8","alias_value":"6V64RUTS","created_at":"2026-05-18T12:32:11Z"}],"graph_snapshots":[{"event_id":"sha256:27059eadc606db7367a17ca00aa2b08dbd7c1a2142bc0cedce4c24533dea4638","target":"graph","created_at":"2026-05-17T23:44:10Z","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":"The first measurement of dielectron ($\\mathrm{e}^{+}\\mathrm{e}^{-}$) production in central (0$-$10$\\%$) Pb-Pb collisions at $\\mathbf{\\sqrt{{\\textit{s}}_{\\mathrm{NN}}}}$ = 2.76 TeV at the LHC is presented. The dielectron invariant-mass spectrum is compared to the expected contributions from hadron decays in the invariant-mass range $0 < m_{\\mathrm{ee}}<3.5\\ \\mathrm{GeV}/\\textit{c}^{2}$. The ratio of data and the cocktail of hadronic contributions without vacuum $\\rho^{0}$ is measured in the invariant-mass range $0.15 < m_{\\mathrm{ee}}<0.7\\ \\mathrm{GeV}/\\textit{c}^{2}$, where an excess of dielec","authors_text":"ALICE Collaboration","cross_cats":["hep-ex"],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"nucl-ex","submitted_at":"2018-07-02T23:24:17Z","title":"Measurement of dielectron production in central Pb-Pb collisions at $\\sqrt{{\\textit{s}}_{\\mathrm{NN}}}$ = 2.76 TeV"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1807.00923","kind":"arxiv","version":2},"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:e383b108b89533e697e743456b014d18e1204f3cd57d99eeb1b1c4358de787fd","target":"record","created_at":"2026-05-17T23:44:10Z","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":"9a1377111aef6b0f5e8be0c850787f5d643e80daa4323abcbcad870e57a1a2e3","cross_cats_sorted":["hep-ex"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"nucl-ex","submitted_at":"2018-07-02T23:24:17Z","title_canon_sha256":"7de7beabc14641e8bd3a0faf5a991f348f9fd4520eb05ee955f5c7da80801008"},"schema_version":"1.0","source":{"id":"1807.00923","kind":"arxiv","version":2}},"canonical_sha256":"f57dc8d272e7e5b2e5116c06f32b8c941c538f706ab07aadf62d463b4e2ad7a4","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"f57dc8d272e7e5b2e5116c06f32b8c941c538f706ab07aadf62d463b4e2ad7a4","first_computed_at":"2026-05-17T23:44:10.129050Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-17T23:44:10.129050Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"FnU7KhgkFYVzNsGNP/FHIebZkmxC2AdtCKDATZ0D5/TjeRfM0mDi0zq0kpCn+PCHDgGhLZiaBkZ7zahNvjU9DA==","signature_status":"signed_v1","signed_at":"2026-05-17T23:44:10.129748Z","signed_message":"canonical_sha256_bytes"},"source_id":"1807.00923","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:e383b108b89533e697e743456b014d18e1204f3cd57d99eeb1b1c4358de787fd","sha256:27059eadc606db7367a17ca00aa2b08dbd7c1a2142bc0cedce4c24533dea4638"],"state_sha256":"96a846ccffbbb7d6b108414a78a6d47c70f6594fdbb2de9254258fd16a839df9"}