{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2023:YYNJS3XB4IWQQCXYVW3I3BCMG3","short_pith_number":"pith:YYNJS3XB","schema_version":"1.0","canonical_sha256":"c61a996ee1e22d080af8adb68d844c36f99a2269f3776e7c4a366c2117197183","source":{"kind":"arxiv","id":"2301.01408","version":1},"attestation_state":"computed","paper":{"title":"Challenges to the Good-Walker paradigm in coherent and incoherent photoproduction","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["nucl-th"],"primary_cat":"hep-ph","authors_text":"Spencer R. Klein","submitted_at":"2023-01-04T02:09:36Z","abstract_excerpt":"High-energy vector meson photoproduction is an important tool for studying the partonic structure of matter at low Bjorken$-x$. In the Good-Walker (GW) paradigm, the cross-section $d\\sigma/dt$ for coherent production of vector mesons or other final states, depends the average transverse distribution of gluons, while the incoherent cross-section depends on fluctuations in the nuclear structure, due to variations in nucleon positions, and/or gluonic hot spots. However, predictions of the the GW paradigm seemingly conflict with data from multiple experiments which observe coherent production of v"},"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":"2301.01408","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"hep-ph","submitted_at":"2023-01-04T02:09:36Z","cross_cats_sorted":["nucl-th"],"title_canon_sha256":"3f6ed26c3bcd5410963ca41bd3fc954dd64c56b4f062d167a993530f28e2f6ce","abstract_canon_sha256":"c39b48d750204d0cdfcfd9c155e1754a6ca8c4a181bfd69092f7c16d742d4da5"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T06:15:21.381617Z","signature_b64":"yddBrKo3p3KjKnBRPGSw2nLiw4aF3xLkGOGspXXvy+Brd1+WwuktHBIh2iAZ455utpN1pGGxAEJG2GqoW2wWAg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"c61a996ee1e22d080af8adb68d844c36f99a2269f3776e7c4a366c2117197183","last_reissued_at":"2026-07-05T06:15:21.381142Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T06:15:21.381142Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Challenges to the Good-Walker paradigm in coherent and incoherent photoproduction","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["nucl-th"],"primary_cat":"hep-ph","authors_text":"Spencer R. Klein","submitted_at":"2023-01-04T02:09:36Z","abstract_excerpt":"High-energy vector meson photoproduction is an important tool for studying the partonic structure of matter at low Bjorken$-x$. In the Good-Walker (GW) paradigm, the cross-section $d\\sigma/dt$ for coherent production of vector mesons or other final states, depends the average transverse distribution of gluons, while the incoherent cross-section depends on fluctuations in the nuclear structure, due to variations in nucleon positions, and/or gluonic hot spots. However, predictions of the the GW paradigm seemingly conflict with data from multiple experiments which observe coherent production of v"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2301.01408","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2301.01408/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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":"2301.01408","created_at":"2026-07-05T06:15:21.381199+00:00"},{"alias_kind":"arxiv_version","alias_value":"2301.01408v1","created_at":"2026-07-05T06:15:21.381199+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2301.01408","created_at":"2026-07-05T06:15:21.381199+00:00"},{"alias_kind":"pith_short_12","alias_value":"YYNJS3XB4IWQ","created_at":"2026-07-05T06:15:21.381199+00:00"},{"alias_kind":"pith_short_16","alias_value":"YYNJS3XB4IWQQCXY","created_at":"2026-07-05T06:15:21.381199+00:00"},{"alias_kind":"pith_short_8","alias_value":"YYNJS3XB","created_at":"2026-07-05T06:15:21.381199+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":1,"internal_anchor_count":1,"sample":[{"citing_arxiv_id":"2509.07480","citing_title":"Exclusive $\\mathrm{J}/\\psi$ production off a dilute proton within a refined hotspot description","ref_index":50,"is_internal_anchor":true}]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/YYNJS3XB4IWQQCXYVW3I3BCMG3","json":"https://pith.science/pith/YYNJS3XB4IWQQCXYVW3I3BCMG3.json","graph_json":"https://pith.science/api/pith-number/YYNJS3XB4IWQQCXYVW3I3BCMG3/graph.json","events_json":"https://pith.science/api/pith-number/YYNJS3XB4IWQQCXYVW3I3BCMG3/events.json","paper":"https://pith.science/paper/YYNJS3XB"},"agent_actions":{"view_html":"https://pith.science/pith/YYNJS3XB4IWQQCXYVW3I3BCMG3","download_json":"https://pith.science/pith/YYNJS3XB4IWQQCXYVW3I3BCMG3.json","view_paper":"https://pith.science/paper/YYNJS3XB","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2301.01408&json=true","fetch_graph":"https://pith.science/api/pith-number/YYNJS3XB4IWQQCXYVW3I3BCMG3/graph.json","fetch_events":"https://pith.science/api/pith-number/YYNJS3XB4IWQQCXYVW3I3BCMG3/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/YYNJS3XB4IWQQCXYVW3I3BCMG3/action/timestamp_anchor","attest_storage":"https://pith.science/pith/YYNJS3XB4IWQQCXYVW3I3BCMG3/action/storage_attestation","attest_author":"https://pith.science/pith/YYNJS3XB4IWQQCXYVW3I3BCMG3/action/author_attestation","sign_citation":"https://pith.science/pith/YYNJS3XB4IWQQCXYVW3I3BCMG3/action/citation_signature","submit_replication":"https://pith.science/pith/YYNJS3XB4IWQQCXYVW3I3BCMG3/action/replication_record"}},"created_at":"2026-07-05T06:15:21.381199+00:00","updated_at":"2026-07-05T06:15:21.381199+00:00"}