{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2018:LIJZJDEYPMG2TB7VI45YG5DAQL","short_pith_number":"pith:LIJZJDEY","schema_version":"1.0","canonical_sha256":"5a13948c987b0da987f5473b83746082db1a54c90c5f469767ef5e4be371263a","source":{"kind":"arxiv","id":"1804.06548","version":2},"attestation_state":"computed","paper":{"title":"Excitation functions for (p,x) reactions of niobium in the energy range of E$_{\\text{p}}$ = 40-90 MeV","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"nucl-ex","authors_text":"Amanda M. Lewis, Andrew S. Voyles, Eva R. Birnbaum, Francois M. Nortier, Jonathan W. Engle, Lee A. Bernstein, Stephen A. Graves, Toshihiko Kawano","submitted_at":"2018-04-18T04:36:51Z","abstract_excerpt":"A stack of thin Nb foils was irradiated with the 100 MeV proton beam at Los Alamos National Laboratory's Isotope Production Facility, to investigate the $^{93}$Nb(p,4n)$^{90}$Mo nuclear reaction as a monitor for intermediate energy proton experiments and to benchmark state-of-the-art reaction model codes. A set of 38 measured cross sections for $^{\\text{nat}}$Nb(p,x) and $^{\\text{nat}}$Cu(p,x) reactions between 40-90 MeV, as well as 5 independent measurements of isomer branching ratios, are reported. These are useful in medical and basic science radionuclide productions at intermediate energie"},"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":"1804.06548","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-ex","submitted_at":"2018-04-18T04:36:51Z","cross_cats_sorted":[],"title_canon_sha256":"9424eac7ca3925c3307a3f94d705d7057a3a76fc1672c25e844afb9dd5641bc7","abstract_canon_sha256":"48e41b75fdde6459ae8340f73163da4b9be2684247eeaa462c4e6ca046aa427f"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:12:38.014418Z","signature_b64":"YHtYH1RAsFmyqO5QYMO+c7mftEx8IHAzJs6vNkO+rkHhTseB+yDkw/wSEd5t+yclMU8Ryf6nE+XKDOxFN2uZDQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"5a13948c987b0da987f5473b83746082db1a54c90c5f469767ef5e4be371263a","last_reissued_at":"2026-05-18T00:12:38.013732Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:12:38.013732Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Excitation functions for (p,x) reactions of niobium in the energy range of E$_{\\text{p}}$ = 40-90 MeV","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"nucl-ex","authors_text":"Amanda M. Lewis, Andrew S. Voyles, Eva R. Birnbaum, Francois M. Nortier, Jonathan W. Engle, Lee A. Bernstein, Stephen A. Graves, Toshihiko Kawano","submitted_at":"2018-04-18T04:36:51Z","abstract_excerpt":"A stack of thin Nb foils was irradiated with the 100 MeV proton beam at Los Alamos National Laboratory's Isotope Production Facility, to investigate the $^{93}$Nb(p,4n)$^{90}$Mo nuclear reaction as a monitor for intermediate energy proton experiments and to benchmark state-of-the-art reaction model codes. A set of 38 measured cross sections for $^{\\text{nat}}$Nb(p,x) and $^{\\text{nat}}$Cu(p,x) reactions between 40-90 MeV, as well as 5 independent measurements of isomer branching ratios, are reported. These are useful in medical and basic science radionuclide productions at intermediate energie"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1804.06548","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":"1804.06548","created_at":"2026-05-18T00:12:38.013837+00:00"},{"alias_kind":"arxiv_version","alias_value":"1804.06548v2","created_at":"2026-05-18T00:12:38.013837+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1804.06548","created_at":"2026-05-18T00:12:38.013837+00:00"},{"alias_kind":"pith_short_12","alias_value":"LIJZJDEYPMG2","created_at":"2026-05-18T12:32:37.024351+00:00"},{"alias_kind":"pith_short_16","alias_value":"LIJZJDEYPMG2TB7V","created_at":"2026-05-18T12:32:37.024351+00:00"},{"alias_kind":"pith_short_8","alias_value":"LIJZJDEY","created_at":"2026-05-18T12:32:37.024351+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/LIJZJDEYPMG2TB7VI45YG5DAQL","json":"https://pith.science/pith/LIJZJDEYPMG2TB7VI45YG5DAQL.json","graph_json":"https://pith.science/api/pith-number/LIJZJDEYPMG2TB7VI45YG5DAQL/graph.json","events_json":"https://pith.science/api/pith-number/LIJZJDEYPMG2TB7VI45YG5DAQL/events.json","paper":"https://pith.science/paper/LIJZJDEY"},"agent_actions":{"view_html":"https://pith.science/pith/LIJZJDEYPMG2TB7VI45YG5DAQL","download_json":"https://pith.science/pith/LIJZJDEYPMG2TB7VI45YG5DAQL.json","view_paper":"https://pith.science/paper/LIJZJDEY","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1804.06548&json=true","fetch_graph":"https://pith.science/api/pith-number/LIJZJDEYPMG2TB7VI45YG5DAQL/graph.json","fetch_events":"https://pith.science/api/pith-number/LIJZJDEYPMG2TB7VI45YG5DAQL/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/LIJZJDEYPMG2TB7VI45YG5DAQL/action/timestamp_anchor","attest_storage":"https://pith.science/pith/LIJZJDEYPMG2TB7VI45YG5DAQL/action/storage_attestation","attest_author":"https://pith.science/pith/LIJZJDEYPMG2TB7VI45YG5DAQL/action/author_attestation","sign_citation":"https://pith.science/pith/LIJZJDEYPMG2TB7VI45YG5DAQL/action/citation_signature","submit_replication":"https://pith.science/pith/LIJZJDEYPMG2TB7VI45YG5DAQL/action/replication_record"}},"created_at":"2026-05-18T00:12:38.013837+00:00","updated_at":"2026-05-18T00:12:38.013837+00:00"}