{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2017:F3LXFJQ77S63AG2PIUIHKAA3SW","merge_version":"pith-open-graph-merge-v1","event_count":2,"valid_event_count":2,"invalid_event_count":0,"equivocation_count":0,"current":{"canonical_record":{"metadata":{"abstract_canon_sha256":"13a59d9a396a583a36b6e7d315ea41b06841ae1ebfe83c6c1aa84a0650ba81c7","cross_cats_sorted":["nucl-ex","nucl-th"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2017-06-22T15:45:37Z","title_canon_sha256":"f84724552eeb34be1114fafcfcd6f99e0141c5ce6e84c4e99e11745d266f1c06"},"schema_version":"1.0","source":{"id":"1706.07376","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1706.07376","created_at":"2026-05-18T00:34:41Z"},{"alias_kind":"arxiv_version","alias_value":"1706.07376v2","created_at":"2026-05-18T00:34:41Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1706.07376","created_at":"2026-05-18T00:34:41Z"},{"alias_kind":"pith_short_12","alias_value":"F3LXFJQ77S63","created_at":"2026-05-18T12:31:15Z"},{"alias_kind":"pith_short_16","alias_value":"F3LXFJQ77S63AG2P","created_at":"2026-05-18T12:31:15Z"},{"alias_kind":"pith_short_8","alias_value":"F3LXFJQ7","created_at":"2026-05-18T12:31:15Z"}],"graph_snapshots":[{"event_id":"sha256:aa9e6948ad73b6465f221117f2d9455d5a2f9634f4321396202d5691e31661c2","target":"graph","created_at":"2026-05-18T00:34:41Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"graph_snapshot":{"author_claims":{"count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","strong_count":0},"builder_version":"pith-number-builder-2026-05-17-v1","claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"paper":{"abstract_excerpt":"The $\\gamma N \\to \\pi^0 N$ and $\\gamma N \\to \\eta N$ reactions at photon beam energies above 4 GeV are investigated within Regge models. The models include $t$-channel exchanges of vector ($\\rho$ and $\\omega$) and axial vector ($b_1$ and $h_1$) mesons. Moreover, Regge cuts of $\\rho{\\mathbb P}$, $\\rho f_2$, $\\omega{\\mathbb P}$, and $\\omega f_2$ are investigated. A good description of differential cross sections and polarization observables at photon beam energies from 4 to 15 GeV can be achieved.","authors_text":"L. Tiator, M. Ostrick, V. L. Kashevarov","cross_cats":["nucl-ex","nucl-th"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2017-06-22T15:45:37Z","title":"Regge phenomenology in $\\pi^0$ and $\\eta$ photoproduction"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1706.07376","kind":"arxiv","version":2},"verdict":{"created_at":null,"id":null,"model_set":{},"one_line_summary":"","pipeline_version":null,"pith_extraction_headline":"","strongest_claim":"","weakest_assumption":""}},"verdict_id":null}}],"author_attestations":[],"timestamp_anchors":[],"storage_attestations":[],"citation_signatures":[],"replication_records":[],"corrections":[],"mirror_hints":[],"record_created":{"event_id":"sha256:693b1ba18d00043d9f2ea7ef7b2c51d9cb3888fb3cbb2a3bf9c6c7256da4ad37","target":"record","created_at":"2026-05-18T00:34:41Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"attestation_state":"computed","canonical_record":{"metadata":{"abstract_canon_sha256":"13a59d9a396a583a36b6e7d315ea41b06841ae1ebfe83c6c1aa84a0650ba81c7","cross_cats_sorted":["nucl-ex","nucl-th"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2017-06-22T15:45:37Z","title_canon_sha256":"f84724552eeb34be1114fafcfcd6f99e0141c5ce6e84c4e99e11745d266f1c06"},"schema_version":"1.0","source":{"id":"1706.07376","kind":"arxiv","version":2}},"canonical_sha256":"2ed772a61ffcbdb01b4f451075001b958f8e47cfa3eae0170b29071136e19743","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"2ed772a61ffcbdb01b4f451075001b958f8e47cfa3eae0170b29071136e19743","first_computed_at":"2026-05-18T00:34:41.469807Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:34:41.469807Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"IKoh0RYE+Pm2NuivTJd5QUjIKdFfg/jTNlMXcUy6GTxfo4Aj7U68GuAofJhEVvMFmD2CNJenF029IFy9IR3QCw==","signature_status":"signed_v1","signed_at":"2026-05-18T00:34:41.470666Z","signed_message":"canonical_sha256_bytes"},"source_id":"1706.07376","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:693b1ba18d00043d9f2ea7ef7b2c51d9cb3888fb3cbb2a3bf9c6c7256da4ad37","sha256:aa9e6948ad73b6465f221117f2d9455d5a2f9634f4321396202d5691e31661c2"],"state_sha256":"f8ff4c4a1682db4bfff605970b507dba22dc03911e299256071e95c8e7ec72ae"}