{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2014:VTXJSAGICY5VMGPZFV6ODRJXLE","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":"96248b93f92217e886ee4d6bcc7eb8381b70735e74b4434df7a74ee9192a2585","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.plasm-ph","submitted_at":"2014-04-19T06:01:11Z","title_canon_sha256":"0b287942ca84e92eb5c300d007a2d8a2dfaeb4e9f1ce76588a868bed756ec8ad"},"schema_version":"1.0","source":{"id":"1404.4926","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1404.4926","created_at":"2026-05-18T01:43:27Z"},{"alias_kind":"arxiv_version","alias_value":"1404.4926v1","created_at":"2026-05-18T01:43:27Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1404.4926","created_at":"2026-05-18T01:43:27Z"},{"alias_kind":"pith_short_12","alias_value":"VTXJSAGICY5V","created_at":"2026-05-18T12:28:54Z"},{"alias_kind":"pith_short_16","alias_value":"VTXJSAGICY5VMGPZ","created_at":"2026-05-18T12:28:54Z"},{"alias_kind":"pith_short_8","alias_value":"VTXJSAGI","created_at":"2026-05-18T12:28:54Z"}],"graph_snapshots":[{"event_id":"sha256:4b8d98675a15fa7184a63bdca39f49e3fffc1417622bcaf9ef6371d5d71f6b8b","target":"graph","created_at":"2026-05-18T01:43:27Z","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":"We have investigated the role that the transverse electric field of the laser plays in the acceleration of electrons in a laser wakefield accelerator (LWFA) operating in the quasi-blowout regime through particle-in-cell code simulations. In order to ensure that longitudinal compression and/or transverse focusing of the laser pulse is not needed before the wake can self-trap the plasma electrons, we have employed the ionization injection technique. Furthermore, the plasma density is varied such that at the lowest densities, the laser pulse occupies only a fraction of the first wavelength of the","authors_text":"C Joshi, F S Tsung, J L Shaw, K A Marsh, N Lemos, N Vafaei-Najafabadi, W B Mori","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.plasm-ph","submitted_at":"2014-04-19T06:01:11Z","title":"Role of direct laser acceleration in energy gained by electrons in a laser wakefield accelerator with ionization injection"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1404.4926","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":"sha256:722ff286edf0b2c27c033b7739400eff30d9aefcf31e5783d3590c42374dd0fb","target":"record","created_at":"2026-05-18T01:43:27Z","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":"96248b93f92217e886ee4d6bcc7eb8381b70735e74b4434df7a74ee9192a2585","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.plasm-ph","submitted_at":"2014-04-19T06:01:11Z","title_canon_sha256":"0b287942ca84e92eb5c300d007a2d8a2dfaeb4e9f1ce76588a868bed756ec8ad"},"schema_version":"1.0","source":{"id":"1404.4926","kind":"arxiv","version":1}},"canonical_sha256":"acee9900c8163b5619f92d7ce1c53759223f7925e72e0256dec28ea0de6e735b","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"acee9900c8163b5619f92d7ce1c53759223f7925e72e0256dec28ea0de6e735b","first_computed_at":"2026-05-18T01:43:27.297367Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:43:27.297367Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"yhSL8UxqFBKj6adN4PlCbvVBwTMlqynNnpCXLQ6bnqAiLRosCh00G/Pwypf9It8U9k+7VdFJ/lZRBiyB9q85Cw==","signature_status":"signed_v1","signed_at":"2026-05-18T01:43:27.298141Z","signed_message":"canonical_sha256_bytes"},"source_id":"1404.4926","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:722ff286edf0b2c27c033b7739400eff30d9aefcf31e5783d3590c42374dd0fb","sha256:4b8d98675a15fa7184a63bdca39f49e3fffc1417622bcaf9ef6371d5d71f6b8b"],"state_sha256":"f4ec23ed3e0d5ab440ad2102757ebd649e35d99473cc5b27206351bed193ace1"}