{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2009:IARBY4SGH5EV2FDR5ZNN5PE2S6","short_pith_number":"pith:IARBY4SG","schema_version":"1.0","canonical_sha256":"40221c72463f495d1471ee5adebc9a97ac0c409ad88f9399b90a5f40cf250ebf","source":{"kind":"arxiv","id":"0910.3143","version":2},"attestation_state":"computed","paper":{"title":"Deviations from NLO QCD evolution in inclusive HERA data","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"hep-ph","authors_text":"Fabrizio Caola, Juan Rojo, Stefano Forte","submitted_at":"2009-10-16T15:34:08Z","abstract_excerpt":"We search for deviations from next-to-leading order QCD evolution in HERA structure function data. We compare to data predictions for structure functions in the small x region, obtained by evolving backwards to low Q^2 the results of a parton fit performed in the large Q^2 region, where fixed-order perturbative QCD is certainly reliable. We find evidence for deviations which are qualitatively consistent with the behaviour predicted by small x perturbative resummation, and possibly also by nonlinear evolution effects, but incompatible with next-to-next-to leading order corrections."},"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":"0910.3143","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2009-10-16T15:34:08Z","cross_cats_sorted":[],"title_canon_sha256":"8745434956198b94e47066eaad28a3f202d97654e9afecbfde3db53c3e51e73a","abstract_canon_sha256":"6a8603b1cd2eae2131c631fde5a1a82a328482e8f87dc9322a2f0c1605076ba8"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:34:18.571681Z","signature_b64":"QOYlqSZdC7tgumCSfyKqfqkobTWRrr9dfNNlY7UQ6Yk+W6AogBgmHibzv96ZpHGMNyexk3OkTO1R6bsI86zGAA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"40221c72463f495d1471ee5adebc9a97ac0c409ad88f9399b90a5f40cf250ebf","last_reissued_at":"2026-05-18T02:34:18.571296Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:34:18.571296Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Deviations from NLO QCD evolution in inclusive HERA data","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"hep-ph","authors_text":"Fabrizio Caola, Juan Rojo, Stefano Forte","submitted_at":"2009-10-16T15:34:08Z","abstract_excerpt":"We search for deviations from next-to-leading order QCD evolution in HERA structure function data. We compare to data predictions for structure functions in the small x region, obtained by evolving backwards to low Q^2 the results of a parton fit performed in the large Q^2 region, where fixed-order perturbative QCD is certainly reliable. We find evidence for deviations which are qualitatively consistent with the behaviour predicted by small x perturbative resummation, and possibly also by nonlinear evolution effects, but incompatible with next-to-next-to leading order corrections."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0910.3143","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":"0910.3143","created_at":"2026-05-18T02:34:18.571368+00:00"},{"alias_kind":"arxiv_version","alias_value":"0910.3143v2","created_at":"2026-05-18T02:34:18.571368+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0910.3143","created_at":"2026-05-18T02:34:18.571368+00:00"},{"alias_kind":"pith_short_12","alias_value":"IARBY4SGH5EV","created_at":"2026-05-18T12:26:00.592388+00:00"},{"alias_kind":"pith_short_16","alias_value":"IARBY4SGH5EV2FDR","created_at":"2026-05-18T12:26:00.592388+00:00"},{"alias_kind":"pith_short_8","alias_value":"IARBY4SG","created_at":"2026-05-18T12:26:00.592388+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":1,"internal_anchor_count":1,"sample":[{"citing_arxiv_id":"1912.10053","citing_title":"New CTEQ global analysis of quantum chromodynamics with high-precision data from the LHC","ref_index":115,"is_internal_anchor":true}]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/IARBY4SGH5EV2FDR5ZNN5PE2S6","json":"https://pith.science/pith/IARBY4SGH5EV2FDR5ZNN5PE2S6.json","graph_json":"https://pith.science/api/pith-number/IARBY4SGH5EV2FDR5ZNN5PE2S6/graph.json","events_json":"https://pith.science/api/pith-number/IARBY4SGH5EV2FDR5ZNN5PE2S6/events.json","paper":"https://pith.science/paper/IARBY4SG"},"agent_actions":{"view_html":"https://pith.science/pith/IARBY4SGH5EV2FDR5ZNN5PE2S6","download_json":"https://pith.science/pith/IARBY4SGH5EV2FDR5ZNN5PE2S6.json","view_paper":"https://pith.science/paper/IARBY4SG","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=0910.3143&json=true","fetch_graph":"https://pith.science/api/pith-number/IARBY4SGH5EV2FDR5ZNN5PE2S6/graph.json","fetch_events":"https://pith.science/api/pith-number/IARBY4SGH5EV2FDR5ZNN5PE2S6/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/IARBY4SGH5EV2FDR5ZNN5PE2S6/action/timestamp_anchor","attest_storage":"https://pith.science/pith/IARBY4SGH5EV2FDR5ZNN5PE2S6/action/storage_attestation","attest_author":"https://pith.science/pith/IARBY4SGH5EV2FDR5ZNN5PE2S6/action/author_attestation","sign_citation":"https://pith.science/pith/IARBY4SGH5EV2FDR5ZNN5PE2S6/action/citation_signature","submit_replication":"https://pith.science/pith/IARBY4SGH5EV2FDR5ZNN5PE2S6/action/replication_record"}},"created_at":"2026-05-18T02:34:18.571368+00:00","updated_at":"2026-05-18T02:34:18.571368+00:00"}