{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2018:UPFUVLV2TR3HLVR3TMX2SH7H7A","short_pith_number":"pith:UPFUVLV2","schema_version":"1.0","canonical_sha256":"a3cb4aaeba9c7675d63b9b2fa91fe7f816b33ddcdb2aee8ec5a79b3343b85761","source":{"kind":"arxiv","id":"1805.04403","version":2},"attestation_state":"computed","paper":{"title":"Direct photon elliptic flow in Pb-Pb collisions at $\\sqrt{s_{\\rm NN}}$ = 2.76 TeV","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["hep-ex"],"primary_cat":"nucl-ex","authors_text":"ALICE Collaboration","submitted_at":"2018-05-11T13:54:32Z","abstract_excerpt":"The elliptic flow of inclusive and direct photons was measured at mid-rapidity in two centrality classes 0-20% and 20-40% in Pb-Pb collisions at $\\sqrt{s_{\\rm NN}}$ = 2.76 TeV by ALICE. Photons were detected with the highly segmented electromagnetic calorimeter PHOS and via conversions in the detector material with the $e^{+}e^{-}$ pairs reconstructed in the central tracking system. The results of the two methods were combined and the direct photon elliptic flow was extracted in the transverse momentum range $0.9 < p_{\\rm T} < 6.2$ GeV/$c$. A comparison to RHIC data shows a similar magnitude o"},"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":"1805.04403","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"nucl-ex","submitted_at":"2018-05-11T13:54:32Z","cross_cats_sorted":["hep-ex"],"title_canon_sha256":"6821a500a4e6be946ae780b080fb89f291f89127580399d2e126aabdf58fbc8f","abstract_canon_sha256":"3f87d6eb5a533b4cc324b7b1b5e21ecc82653554198aba97694c4f1c43d8a4a0"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:54:54.349237Z","signature_b64":"FoQiUsVbpmqkO6Bpw2Dr8PyvemK+nHXoiy4F9IQKc52yAFhAeeP/2qjwLgnPVF4kQlBPbjxHAOsJatatlGduCA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"a3cb4aaeba9c7675d63b9b2fa91fe7f816b33ddcdb2aee8ec5a79b3343b85761","last_reissued_at":"2026-05-17T23:54:54.348637Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:54:54.348637Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Direct photon elliptic flow in Pb-Pb collisions at $\\sqrt{s_{\\rm NN}}$ = 2.76 TeV","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["hep-ex"],"primary_cat":"nucl-ex","authors_text":"ALICE Collaboration","submitted_at":"2018-05-11T13:54:32Z","abstract_excerpt":"The elliptic flow of inclusive and direct photons was measured at mid-rapidity in two centrality classes 0-20% and 20-40% in Pb-Pb collisions at $\\sqrt{s_{\\rm NN}}$ = 2.76 TeV by ALICE. Photons were detected with the highly segmented electromagnetic calorimeter PHOS and via conversions in the detector material with the $e^{+}e^{-}$ pairs reconstructed in the central tracking system. The results of the two methods were combined and the direct photon elliptic flow was extracted in the transverse momentum range $0.9 < p_{\\rm T} < 6.2$ GeV/$c$. A comparison to RHIC data shows a similar magnitude o"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1805.04403","kind":"arxiv","version":2},"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":"1805.04403","created_at":"2026-05-17T23:54:54.348720+00:00"},{"alias_kind":"arxiv_version","alias_value":"1805.04403v2","created_at":"2026-05-17T23:54:54.348720+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1805.04403","created_at":"2026-05-17T23:54:54.348720+00:00"},{"alias_kind":"pith_short_12","alias_value":"UPFUVLV2TR3H","created_at":"2026-05-18T12:32:56.356000+00:00"},{"alias_kind":"pith_short_16","alias_value":"UPFUVLV2TR3HLVR3","created_at":"2026-05-18T12:32:56.356000+00:00"},{"alias_kind":"pith_short_8","alias_value":"UPFUVLV2","created_at":"2026-05-18T12:32:56.356000+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":1,"internal_anchor_count":1,"sample":[{"citing_arxiv_id":"2507.13240","citing_title":"Thermal Radiation from an Analytic Hydrodynamic Model with Hadronic and QGP Sources in Heavy-Ion Collisions","ref_index":42,"is_internal_anchor":true}]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/UPFUVLV2TR3HLVR3TMX2SH7H7A","json":"https://pith.science/pith/UPFUVLV2TR3HLVR3TMX2SH7H7A.json","graph_json":"https://pith.science/api/pith-number/UPFUVLV2TR3HLVR3TMX2SH7H7A/graph.json","events_json":"https://pith.science/api/pith-number/UPFUVLV2TR3HLVR3TMX2SH7H7A/events.json","paper":"https://pith.science/paper/UPFUVLV2"},"agent_actions":{"view_html":"https://pith.science/pith/UPFUVLV2TR3HLVR3TMX2SH7H7A","download_json":"https://pith.science/pith/UPFUVLV2TR3HLVR3TMX2SH7H7A.json","view_paper":"https://pith.science/paper/UPFUVLV2","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1805.04403&json=true","fetch_graph":"https://pith.science/api/pith-number/UPFUVLV2TR3HLVR3TMX2SH7H7A/graph.json","fetch_events":"https://pith.science/api/pith-number/UPFUVLV2TR3HLVR3TMX2SH7H7A/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/UPFUVLV2TR3HLVR3TMX2SH7H7A/action/timestamp_anchor","attest_storage":"https://pith.science/pith/UPFUVLV2TR3HLVR3TMX2SH7H7A/action/storage_attestation","attest_author":"https://pith.science/pith/UPFUVLV2TR3HLVR3TMX2SH7H7A/action/author_attestation","sign_citation":"https://pith.science/pith/UPFUVLV2TR3HLVR3TMX2SH7H7A/action/citation_signature","submit_replication":"https://pith.science/pith/UPFUVLV2TR3HLVR3TMX2SH7H7A/action/replication_record"}},"created_at":"2026-05-17T23:54:54.348720+00:00","updated_at":"2026-05-17T23:54:54.348720+00:00"}