{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:1999:D36TEER6ACEAS47IY2XFPUTW3M","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":"7cb5af91668226a7904ce5d94851082d46e28f2b5affd368e13214a744262e27","cross_cats_sorted":[],"license":"","primary_cat":"nucl-ex","submitted_at":"1999-11-17T13:36:29Z","title_canon_sha256":"f7f76a218b88d8bffa49bd237751f4b893f1b408b131a0f3bfd7284abb905f86"},"schema_version":"1.0","source":{"id":"nucl-ex/9911006","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"nucl-ex/9911006","created_at":"2026-05-18T04:24:36Z"},{"alias_kind":"arxiv_version","alias_value":"nucl-ex/9911006v1","created_at":"2026-05-18T04:24:36Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.nucl-ex/9911006","created_at":"2026-05-18T04:24:36Z"},{"alias_kind":"pith_short_12","alias_value":"D36TEER6ACEA","created_at":"2026-05-18T12:25:49Z"},{"alias_kind":"pith_short_16","alias_value":"D36TEER6ACEAS47I","created_at":"2026-05-18T12:25:49Z"},{"alias_kind":"pith_short_8","alias_value":"D36TEER6","created_at":"2026-05-18T12:25:49Z"}],"graph_snapshots":[{"event_id":"sha256:bf094612be5425d03ad47f07ed0d500854ba91e9a4d70701f6b6acbdb9c16b9c","target":"graph","created_at":"2026-05-18T04:24:36Z","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":"New experimental data obtained mainly at the GSI/FRS facility allow to modify the empirical parametrization of fragmentation cross sections, EPAX. It will be shown that minor modifications of the parameters lead to a much better reproduction of measured cross sections. The most significant changes refer to the description of fragmentation yields close to the projectile and of the memory effect of neutron-deficient projectiles.","authors_text":"B. Blank (GSI Darmstadt, CEN Bordeaux-Gradignan), K. S\\\"ummerer","cross_cats":[],"headline":"","license":"","primary_cat":"nucl-ex","submitted_at":"1999-11-17T13:36:29Z","title":"Modified Empirical Parametrization of Fragmentation Cross Sections"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"nucl-ex/9911006","kind":"arxiv","version":1},"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:ac879e238da3d359768ae0525392c126396216df7a63c6df54455c84b5c10851","target":"record","created_at":"2026-05-18T04:24:36Z","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":"7cb5af91668226a7904ce5d94851082d46e28f2b5affd368e13214a744262e27","cross_cats_sorted":[],"license":"","primary_cat":"nucl-ex","submitted_at":"1999-11-17T13:36:29Z","title_canon_sha256":"f7f76a218b88d8bffa49bd237751f4b893f1b408b131a0f3bfd7284abb905f86"},"schema_version":"1.0","source":{"id":"nucl-ex/9911006","kind":"arxiv","version":1}},"canonical_sha256":"1efd32123e00880973e8c6ae57d276db354307ce0b93918d006ecde2a2053b2b","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"1efd32123e00880973e8c6ae57d276db354307ce0b93918d006ecde2a2053b2b","first_computed_at":"2026-05-18T04:24:36.496103Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T04:24:36.496103Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"RzVoQ0Pb7HUfKRtPdGAVXCOzTxONdJudVo899N8lateiLnPjGl1gLB8gMyNT2E/rVDdAoQlxSvIBtv4Q5gejAg==","signature_status":"signed_v1","signed_at":"2026-05-18T04:24:36.496527Z","signed_message":"canonical_sha256_bytes"},"source_id":"nucl-ex/9911006","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:ac879e238da3d359768ae0525392c126396216df7a63c6df54455c84b5c10851","sha256:bf094612be5425d03ad47f07ed0d500854ba91e9a4d70701f6b6acbdb9c16b9c"],"state_sha256":"a06f45dc121f73c5733a29bc9ced9d0481a5a34d1c54408f1111eaf728d297d9"}