{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2004:VOCEEC4DJZDU7INRRJEKZQJ6SS","short_pith_number":"pith:VOCEEC4D","schema_version":"1.0","canonical_sha256":"ab84420b834e474fa1b18a48acc13e94a2198a6f450dc7867b47235ba98b54c9","source":{"kind":"arxiv","id":"hep-ex/0401017","version":1},"attestation_state":"computed","paper":{"title":"Photoproduction of $D^{*\\pm}$ mesons associated with a leading neutron","license":"","headline":"","cross_cats":[],"primary_cat":"hep-ex","authors_text":"ZEUS Collaboration","submitted_at":"2004-01-14T16:13:46Z","abstract_excerpt":"The photoproduction of $D^{*\\pm} (2010)$ mesons associated with a leading neutron has been observed with the ZEUS detector in $ep$ collisions at HERA using an integrated luminosity of 80 pb$^{-1}$. The neutron carries a large fraction, {$x_L>0.2$}, of the incoming proton beam energy and is detected at very small production angles, {$\\theta_n<0.8$ mrad}, an indication of peripheral scattering. The $D^*$ meson is centrally produced with pseudorapidity {$|\\eta|<1.5$}, and has a transverse momentum {$p_{\\it T} > 1.9$ GeV}, which is large compared to the average transverse momentum of the neutron 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":"hep-ex/0401017","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"hep-ex","submitted_at":"2004-01-14T16:13:46Z","cross_cats_sorted":[],"title_canon_sha256":"5dc89f41e907a55941d5016d2f6c0a58326e0e4323ade958aea280dce7014815","abstract_canon_sha256":"8d047480b9bce3244e2b4db7d2a2efbe4e1a81cfdf75b292ff48435aaaa32058"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:47:31.491943Z","signature_b64":"/aOvLOK096guS4qCNpVOfIps6m3YczcoHXPYQ3uJEH/69nBwKno2pu2CNysc+CNpQbPSGR3vLc4HUz7bH1h+CQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"ab84420b834e474fa1b18a48acc13e94a2198a6f450dc7867b47235ba98b54c9","last_reissued_at":"2026-05-18T03:47:31.491547Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:47:31.491547Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Photoproduction of $D^{*\\pm}$ mesons associated with a leading neutron","license":"","headline":"","cross_cats":[],"primary_cat":"hep-ex","authors_text":"ZEUS Collaboration","submitted_at":"2004-01-14T16:13:46Z","abstract_excerpt":"The photoproduction of $D^{*\\pm} (2010)$ mesons associated with a leading neutron has been observed with the ZEUS detector in $ep$ collisions at HERA using an integrated luminosity of 80 pb$^{-1}$. The neutron carries a large fraction, {$x_L>0.2$}, of the incoming proton beam energy and is detected at very small production angles, {$\\theta_n<0.8$ mrad}, an indication of peripheral scattering. The $D^*$ meson is centrally produced with pseudorapidity {$|\\eta|<1.5$}, and has a transverse momentum {$p_{\\it T} > 1.9$ GeV}, which is large compared to the average transverse momentum of the neutron o"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"hep-ex/0401017","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":"hep-ex/0401017","created_at":"2026-05-18T03:47:31.491609+00:00"},{"alias_kind":"arxiv_version","alias_value":"hep-ex/0401017v1","created_at":"2026-05-18T03:47:31.491609+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.hep-ex/0401017","created_at":"2026-05-18T03:47:31.491609+00:00"},{"alias_kind":"pith_short_12","alias_value":"VOCEEC4DJZDU","created_at":"2026-05-18T12:25:52.687210+00:00"},{"alias_kind":"pith_short_16","alias_value":"VOCEEC4DJZDU7INR","created_at":"2026-05-18T12:25:52.687210+00:00"},{"alias_kind":"pith_short_8","alias_value":"VOCEEC4D","created_at":"2026-05-18T12:25:52.687210+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/VOCEEC4DJZDU7INRRJEKZQJ6SS","json":"https://pith.science/pith/VOCEEC4DJZDU7INRRJEKZQJ6SS.json","graph_json":"https://pith.science/api/pith-number/VOCEEC4DJZDU7INRRJEKZQJ6SS/graph.json","events_json":"https://pith.science/api/pith-number/VOCEEC4DJZDU7INRRJEKZQJ6SS/events.json","paper":"https://pith.science/paper/VOCEEC4D"},"agent_actions":{"view_html":"https://pith.science/pith/VOCEEC4DJZDU7INRRJEKZQJ6SS","download_json":"https://pith.science/pith/VOCEEC4DJZDU7INRRJEKZQJ6SS.json","view_paper":"https://pith.science/paper/VOCEEC4D","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=hep-ex/0401017&json=true","fetch_graph":"https://pith.science/api/pith-number/VOCEEC4DJZDU7INRRJEKZQJ6SS/graph.json","fetch_events":"https://pith.science/api/pith-number/VOCEEC4DJZDU7INRRJEKZQJ6SS/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/VOCEEC4DJZDU7INRRJEKZQJ6SS/action/timestamp_anchor","attest_storage":"https://pith.science/pith/VOCEEC4DJZDU7INRRJEKZQJ6SS/action/storage_attestation","attest_author":"https://pith.science/pith/VOCEEC4DJZDU7INRRJEKZQJ6SS/action/author_attestation","sign_citation":"https://pith.science/pith/VOCEEC4DJZDU7INRRJEKZQJ6SS/action/citation_signature","submit_replication":"https://pith.science/pith/VOCEEC4DJZDU7INRRJEKZQJ6SS/action/replication_record"}},"created_at":"2026-05-18T03:47:31.491609+00:00","updated_at":"2026-05-18T03:47:31.491609+00:00"}