{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2009:X4GCXJKVLIKG5RCA74R3ACUSBB","short_pith_number":"pith:X4GCXJKV","schema_version":"1.0","canonical_sha256":"bf0c2ba5555a146ec440ff23b00a92086da051d664fb5391914928ef5783b233","source":{"kind":"arxiv","id":"0909.0616","version":2},"attestation_state":"computed","paper":{"title":"Differential cross sections for the reactions gamma p-> p eta and gamma p -> p eta-prime","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"nucl-ex","authors_text":"C.A. Meyer (for the CLAS Collaboration), D. Applegate, M. Bellis, M. Williams, Z. Krahn","submitted_at":"2009-09-03T10:09:29Z","abstract_excerpt":"High-statistics differential cross sections for the reactions gamma p -> p eta and gamma p -> p eta-prime have been measured using the CLAS at Jefferson Lab for center-of-mass energies from near threshold up to 2.84 GeV. The eta-prime results are the most precise to date and provide the largest energy and angular coverage. The eta measurements extend the energy range of the world's large-angle results by approximately 300 MeV. These new data, in particular the eta-prime measurements, are likely to help constrain the analyses being performed to search for new baryon resonance states."},"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":"0909.0616","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-ex","submitted_at":"2009-09-03T10:09:29Z","cross_cats_sorted":[],"title_canon_sha256":"f56131d4769f7cc90695819db0402d4c8f8548962a50251df31465133535a293","abstract_canon_sha256":"991c7b6b4c1e7a1d84ff87157898f9a1e2ade455e1baa4ce616e443a046affa2"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-04T23:53:28.334725Z","signature_b64":"qfJ4OZbOZwm//Qmvjgjtg/yNSeo4Iwss1BiiqvaOzmyrBb1dEV77RZsRnjbcp2RzQVo/gmzcFTJBviPw0PDNBQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"bf0c2ba5555a146ec440ff23b00a92086da051d664fb5391914928ef5783b233","last_reissued_at":"2026-07-04T23:53:28.334292Z","signature_status":"signed_v1","first_computed_at":"2026-07-04T23:53:28.334292Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Differential cross sections for the reactions gamma p-> p eta and gamma p -> p eta-prime","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"nucl-ex","authors_text":"C.A. Meyer (for the CLAS Collaboration), D. Applegate, M. Bellis, M. Williams, Z. Krahn","submitted_at":"2009-09-03T10:09:29Z","abstract_excerpt":"High-statistics differential cross sections for the reactions gamma p -> p eta and gamma p -> p eta-prime have been measured using the CLAS at Jefferson Lab for center-of-mass energies from near threshold up to 2.84 GeV. The eta-prime results are the most precise to date and provide the largest energy and angular coverage. The eta measurements extend the energy range of the world's large-angle results by approximately 300 MeV. These new data, in particular the eta-prime measurements, are likely to help constrain the analyses being performed to search for new baryon resonance states."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0909.0616","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/0909.0616/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":"0909.0616","created_at":"2026-07-04T23:53:28.334365+00:00"},{"alias_kind":"arxiv_version","alias_value":"0909.0616v2","created_at":"2026-07-04T23:53:28.334365+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0909.0616","created_at":"2026-07-04T23:53:28.334365+00:00"},{"alias_kind":"pith_short_12","alias_value":"X4GCXJKVLIKG","created_at":"2026-07-04T23:53:28.334365+00:00"},{"alias_kind":"pith_short_16","alias_value":"X4GCXJKVLIKG5RCA","created_at":"2026-07-04T23:53:28.334365+00:00"},{"alias_kind":"pith_short_8","alias_value":"X4GCXJKV","created_at":"2026-07-04T23:53:28.334365+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":1,"internal_anchor_count":1,"sample":[{"citing_arxiv_id":"2501.14952","citing_title":"Exclusive $\\eta$ production in proton-proton collisions at energies available at the GSI Facility for Antiproton and Ion Research","ref_index":45,"is_internal_anchor":true}]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/X4GCXJKVLIKG5RCA74R3ACUSBB","json":"https://pith.science/pith/X4GCXJKVLIKG5RCA74R3ACUSBB.json","graph_json":"https://pith.science/api/pith-number/X4GCXJKVLIKG5RCA74R3ACUSBB/graph.json","events_json":"https://pith.science/api/pith-number/X4GCXJKVLIKG5RCA74R3ACUSBB/events.json","paper":"https://pith.science/paper/X4GCXJKV"},"agent_actions":{"view_html":"https://pith.science/pith/X4GCXJKVLIKG5RCA74R3ACUSBB","download_json":"https://pith.science/pith/X4GCXJKVLIKG5RCA74R3ACUSBB.json","view_paper":"https://pith.science/paper/X4GCXJKV","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=0909.0616&json=true","fetch_graph":"https://pith.science/api/pith-number/X4GCXJKVLIKG5RCA74R3ACUSBB/graph.json","fetch_events":"https://pith.science/api/pith-number/X4GCXJKVLIKG5RCA74R3ACUSBB/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/X4GCXJKVLIKG5RCA74R3ACUSBB/action/timestamp_anchor","attest_storage":"https://pith.science/pith/X4GCXJKVLIKG5RCA74R3ACUSBB/action/storage_attestation","attest_author":"https://pith.science/pith/X4GCXJKVLIKG5RCA74R3ACUSBB/action/author_attestation","sign_citation":"https://pith.science/pith/X4GCXJKVLIKG5RCA74R3ACUSBB/action/citation_signature","submit_replication":"https://pith.science/pith/X4GCXJKVLIKG5RCA74R3ACUSBB/action/replication_record"}},"created_at":"2026-07-04T23:53:28.334365+00:00","updated_at":"2026-07-04T23:53:28.334365+00:00"}