{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2019:E7T6UURBHFWNXQT3GV542ZL5CC","short_pith_number":"pith:E7T6UURB","schema_version":"1.0","canonical_sha256":"27e7ea5221396cdbc27b357bcd657d10b1e32ac604477c01f54881ed88d12ed9","source":{"kind":"arxiv","id":"1905.11131","version":2},"attestation_state":"computed","paper":{"title":"Enhancement of laser-driven ion acceleration in non-periodic nanostructured targets","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"physics.plasm-ph","authors_text":"A. Dmitriev, C.-G. Wahlstr\\\"om, E. Siminos, E. Smetanina, G. Cantono, I. Thiele, J. Ferri, L. Gremillet, T. F\\\"ul\\\"op","submitted_at":"2019-05-27T11:29:04Z","abstract_excerpt":"Using particle-in-cell simulations, we demonstrate an improvement of the target normal sheath acceleration (TNSA) of protons in non-periodically nanostructured targets with micron-scale thickness. Compared to standard flat foils, an increase in the proton cutoff energy by up to a factor of two is observed in foils coated with nanocones or perforated with nanoholes. The latter nano-perforated foils yield the highest enhancement, which we show to be robust over a broad range of foil thicknesses and hole diameters. The improvement of TNSA performance results from more efficient hot-electron gener"},"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":"1905.11131","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.plasm-ph","submitted_at":"2019-05-27T11:29:04Z","cross_cats_sorted":[],"title_canon_sha256":"7541b251a74ea2243e78c32ea11f5a35fda5ea94dbf9b67942f54dcfa668f4dd","abstract_canon_sha256":"a2fecc3196f48f233f39d3ae3ca1d096d6feddcb7b967c7f185a1705319d2922"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:40:31.714579Z","signature_b64":"uQ/rAaDNZE+Ai7QvFTBd6O7LsjuTMympH1xBjSqHLK6mlSFMEgy4qmKS7a+0G0V2pglEOOnxau+s1V66Nr7eDg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"27e7ea5221396cdbc27b357bcd657d10b1e32ac604477c01f54881ed88d12ed9","last_reissued_at":"2026-05-17T23:40:31.714055Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:40:31.714055Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Enhancement of laser-driven ion acceleration in non-periodic nanostructured targets","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"physics.plasm-ph","authors_text":"A. Dmitriev, C.-G. Wahlstr\\\"om, E. Siminos, E. Smetanina, G. Cantono, I. Thiele, J. Ferri, L. Gremillet, T. F\\\"ul\\\"op","submitted_at":"2019-05-27T11:29:04Z","abstract_excerpt":"Using particle-in-cell simulations, we demonstrate an improvement of the target normal sheath acceleration (TNSA) of protons in non-periodically nanostructured targets with micron-scale thickness. Compared to standard flat foils, an increase in the proton cutoff energy by up to a factor of two is observed in foils coated with nanocones or perforated with nanoholes. The latter nano-perforated foils yield the highest enhancement, which we show to be robust over a broad range of foil thicknesses and hole diameters. The improvement of TNSA performance results from more efficient hot-electron gener"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1905.11131","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":"1905.11131","created_at":"2026-05-17T23:40:31.714123+00:00"},{"alias_kind":"arxiv_version","alias_value":"1905.11131v2","created_at":"2026-05-17T23:40:31.714123+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1905.11131","created_at":"2026-05-17T23:40:31.714123+00:00"},{"alias_kind":"pith_short_12","alias_value":"E7T6UURBHFWN","created_at":"2026-05-18T12:33:15.570797+00:00"},{"alias_kind":"pith_short_16","alias_value":"E7T6UURBHFWNXQT3","created_at":"2026-05-18T12:33:15.570797+00:00"},{"alias_kind":"pith_short_8","alias_value":"E7T6UURB","created_at":"2026-05-18T12:33:15.570797+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/E7T6UURBHFWNXQT3GV542ZL5CC","json":"https://pith.science/pith/E7T6UURBHFWNXQT3GV542ZL5CC.json","graph_json":"https://pith.science/api/pith-number/E7T6UURBHFWNXQT3GV542ZL5CC/graph.json","events_json":"https://pith.science/api/pith-number/E7T6UURBHFWNXQT3GV542ZL5CC/events.json","paper":"https://pith.science/paper/E7T6UURB"},"agent_actions":{"view_html":"https://pith.science/pith/E7T6UURBHFWNXQT3GV542ZL5CC","download_json":"https://pith.science/pith/E7T6UURBHFWNXQT3GV542ZL5CC.json","view_paper":"https://pith.science/paper/E7T6UURB","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1905.11131&json=true","fetch_graph":"https://pith.science/api/pith-number/E7T6UURBHFWNXQT3GV542ZL5CC/graph.json","fetch_events":"https://pith.science/api/pith-number/E7T6UURBHFWNXQT3GV542ZL5CC/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/E7T6UURBHFWNXQT3GV542ZL5CC/action/timestamp_anchor","attest_storage":"https://pith.science/pith/E7T6UURBHFWNXQT3GV542ZL5CC/action/storage_attestation","attest_author":"https://pith.science/pith/E7T6UURBHFWNXQT3GV542ZL5CC/action/author_attestation","sign_citation":"https://pith.science/pith/E7T6UURBHFWNXQT3GV542ZL5CC/action/citation_signature","submit_replication":"https://pith.science/pith/E7T6UURBHFWNXQT3GV542ZL5CC/action/replication_record"}},"created_at":"2026-05-17T23:40:31.714123+00:00","updated_at":"2026-05-17T23:40:31.714123+00:00"}