{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:1998:OY4BUH5FMVB37S7B6NMZD6RFTN","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":"71cf6ac41d554f6c4c0ed4f0405f4b75077b0fbaf22ba14a6d9f0b3b23f9da4c","cross_cats_sorted":[],"license":"","primary_cat":"nucl-th","submitted_at":"1998-10-14T09:00:27Z","title_canon_sha256":"99bd6b8b321b8fe7447b6ec10207096fc539961aa4c16b87674e49eb866c7e01"},"schema_version":"1.0","source":{"id":"nucl-th/9810044","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"nucl-th/9810044","created_at":"2026-05-18T04:35:57Z"},{"alias_kind":"arxiv_version","alias_value":"nucl-th/9810044v2","created_at":"2026-05-18T04:35:57Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.nucl-th/9810044","created_at":"2026-05-18T04:35:57Z"},{"alias_kind":"pith_short_12","alias_value":"OY4BUH5FMVB3","created_at":"2026-05-18T12:25:49Z"},{"alias_kind":"pith_short_16","alias_value":"OY4BUH5FMVB37S7B","created_at":"2026-05-18T12:25:49Z"},{"alias_kind":"pith_short_8","alias_value":"OY4BUH5F","created_at":"2026-05-18T12:25:49Z"}],"graph_snapshots":[{"event_id":"sha256:93c7ccc6641bd9dcd4881bbbe54fa095178d4fe7e09813d84f5ca76aae7189e4","target":"graph","created_at":"2026-05-18T04:35:57Z","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":"Within the meson-exchange model we calculate $f_0$-meson production cross section in $\\piN$ and $NN$ reactions and investigate the possibility for $f_0$ observation via the $K\\bar{K}$ decay mode in $pp$ collisions. Our studies indicate that an extraction of the $f_0$ signal is unlikely due to the large background from other reaction channels.","authors_text":"A. Sibirtsev (Giessen U.), E.L. Bratkovskaya, L.A. Kondratyuk (ITEP, Moscow), W. Cassing (Giessen U.)","cross_cats":[],"headline":"","license":"","primary_cat":"nucl-th","submitted_at":"1998-10-14T09:00:27Z","title":"On the possibility of $f_0$ observation in low energy $pp$ collisions"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"nucl-th/9810044","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:bfb7b3582a7c7b6d0e4c0925c37ad6683a24d00c905f5870d24887a829dc208f","target":"record","created_at":"2026-05-18T04:35:57Z","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":"71cf6ac41d554f6c4c0ed4f0405f4b75077b0fbaf22ba14a6d9f0b3b23f9da4c","cross_cats_sorted":[],"license":"","primary_cat":"nucl-th","submitted_at":"1998-10-14T09:00:27Z","title_canon_sha256":"99bd6b8b321b8fe7447b6ec10207096fc539961aa4c16b87674e49eb866c7e01"},"schema_version":"1.0","source":{"id":"nucl-th/9810044","kind":"arxiv","version":2}},"canonical_sha256":"76381a1fa56543bfcbe1f35991fa259b78a034e33b38e03c2a2de97b85ba49ae","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"76381a1fa56543bfcbe1f35991fa259b78a034e33b38e03c2a2de97b85ba49ae","first_computed_at":"2026-05-18T04:35:57.729114Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T04:35:57.729114Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"Dz5L9IHcwwUSJtmAaKz/mtfk/R3DCQGb25vctD0lLkFlyMM1bE6/RFuYdsEtXVghAnYuY3rVt53nF/gPzdXcDA==","signature_status":"signed_v1","signed_at":"2026-05-18T04:35:57.729955Z","signed_message":"canonical_sha256_bytes"},"source_id":"nucl-th/9810044","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:bfb7b3582a7c7b6d0e4c0925c37ad6683a24d00c905f5870d24887a829dc208f","sha256:93c7ccc6641bd9dcd4881bbbe54fa095178d4fe7e09813d84f5ca76aae7189e4"],"state_sha256":"bd51a17073bd301499e17e1004cd85f4b1028bce67488758dd47d57b0cd65159"}