{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:1999:6FDA2PXGNNI2TATU232YEW3VEL","short_pith_number":"pith:6FDA2PXG","schema_version":"1.0","canonical_sha256":"f1460d3ee66b51a98274d6f5825b7522d054170fe66cdde3a68c7b65a8500d80","source":{"kind":"arxiv","id":"hep-ph/9903248","version":1},"attestation_state":"computed","paper":{"title":"F_2^gamma at low Q^2 and sigma_{\\gamma \\gamma} at high energies","license":"","headline":"","cross_cats":[],"primary_cat":"hep-ph","authors_text":"A. Stasto, B. Badelek, J. Kwiecinski","submitted_at":"1999-03-03T16:00:17Z","abstract_excerpt":"The parametrisation of the photon structure function in the low Q^2 region is formulated. It includes the VMD contribution and the QCD improved parton model component suitably extrapolated to the low Q^2 region. The parametrisation describes reasonably well existing experimental data on sigma_{\\gamma \\gamma} for real photons and the low Q^2 data on sigma_{\\gamma^* \\gamma}. Predictions for sigma_{\\gamma \\gamma} and for sigma_{\\gamma^* \\gamma} for energies which may be accesssible in future linear colliders are also given."},"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-ph/9903248","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"hep-ph","submitted_at":"1999-03-03T16:00:17Z","cross_cats_sorted":[],"title_canon_sha256":"fd944cdb29ac99142d840007da31f905f6f7fc5c0b02c3a7266d2c7512337134","abstract_canon_sha256":"8ce9637f9d63c6846e3838211551d7f61f0d560bad50c8f4635010a1015eb69b"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T04:24:16.808307Z","signature_b64":"9rPqqnRi5EDt/1RJiQXwaX8CqqK4/5AB+YHvjr3lEDhddjkcrI3FdLuOL//F89ADv4Ir986SmwVPBjQG7XfLCg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"f1460d3ee66b51a98274d6f5825b7522d054170fe66cdde3a68c7b65a8500d80","last_reissued_at":"2026-05-18T04:24:16.807578Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T04:24:16.807578Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"F_2^gamma at low Q^2 and sigma_{\\gamma \\gamma} at high energies","license":"","headline":"","cross_cats":[],"primary_cat":"hep-ph","authors_text":"A. Stasto, B. Badelek, J. Kwiecinski","submitted_at":"1999-03-03T16:00:17Z","abstract_excerpt":"The parametrisation of the photon structure function in the low Q^2 region is formulated. It includes the VMD contribution and the QCD improved parton model component suitably extrapolated to the low Q^2 region. The parametrisation describes reasonably well existing experimental data on sigma_{\\gamma \\gamma} for real photons and the low Q^2 data on sigma_{\\gamma^* \\gamma}. Predictions for sigma_{\\gamma \\gamma} and for sigma_{\\gamma^* \\gamma} for energies which may be accesssible in future linear colliders are also given."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"hep-ph/9903248","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-ph/9903248","created_at":"2026-05-18T04:24:16.807686+00:00"},{"alias_kind":"arxiv_version","alias_value":"hep-ph/9903248v1","created_at":"2026-05-18T04:24:16.807686+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.hep-ph/9903248","created_at":"2026-05-18T04:24:16.807686+00:00"},{"alias_kind":"pith_short_12","alias_value":"6FDA2PXGNNI2","created_at":"2026-05-18T12:25:49.038998+00:00"},{"alias_kind":"pith_short_16","alias_value":"6FDA2PXGNNI2TATU","created_at":"2026-05-18T12:25:49.038998+00:00"},{"alias_kind":"pith_short_8","alias_value":"6FDA2PXG","created_at":"2026-05-18T12:25:49.038998+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/6FDA2PXGNNI2TATU232YEW3VEL","json":"https://pith.science/pith/6FDA2PXGNNI2TATU232YEW3VEL.json","graph_json":"https://pith.science/api/pith-number/6FDA2PXGNNI2TATU232YEW3VEL/graph.json","events_json":"https://pith.science/api/pith-number/6FDA2PXGNNI2TATU232YEW3VEL/events.json","paper":"https://pith.science/paper/6FDA2PXG"},"agent_actions":{"view_html":"https://pith.science/pith/6FDA2PXGNNI2TATU232YEW3VEL","download_json":"https://pith.science/pith/6FDA2PXGNNI2TATU232YEW3VEL.json","view_paper":"https://pith.science/paper/6FDA2PXG","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=hep-ph/9903248&json=true","fetch_graph":"https://pith.science/api/pith-number/6FDA2PXGNNI2TATU232YEW3VEL/graph.json","fetch_events":"https://pith.science/api/pith-number/6FDA2PXGNNI2TATU232YEW3VEL/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/6FDA2PXGNNI2TATU232YEW3VEL/action/timestamp_anchor","attest_storage":"https://pith.science/pith/6FDA2PXGNNI2TATU232YEW3VEL/action/storage_attestation","attest_author":"https://pith.science/pith/6FDA2PXGNNI2TATU232YEW3VEL/action/author_attestation","sign_citation":"https://pith.science/pith/6FDA2PXGNNI2TATU232YEW3VEL/action/citation_signature","submit_replication":"https://pith.science/pith/6FDA2PXGNNI2TATU232YEW3VEL/action/replication_record"}},"created_at":"2026-05-18T04:24:16.807686+00:00","updated_at":"2026-05-18T04:24:16.807686+00:00"}