{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2015:ITABNTTDTMPF2IRCAQX22BWJSZ","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":"5417584c70a8d648badce81e4f274383a86dbba377fd8ef4f75c5ab5d32111e7","cross_cats_sorted":["physics.plasm-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.acc-ph","submitted_at":"2015-06-17T20:28:54Z","title_canon_sha256":"ed4d12f1942f4a70c3aa7068aada796bb81a3e36c55521c3e13053e1486480f2"},"schema_version":"1.0","source":{"id":"1506.05486","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1506.05486","created_at":"2026-05-18T01:33:51Z"},{"alias_kind":"arxiv_version","alias_value":"1506.05486v2","created_at":"2026-05-18T01:33:51Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1506.05486","created_at":"2026-05-18T01:33:51Z"},{"alias_kind":"pith_short_12","alias_value":"ITABNTTDTMPF","created_at":"2026-05-18T12:29:25Z"},{"alias_kind":"pith_short_16","alias_value":"ITABNTTDTMPF2IRC","created_at":"2026-05-18T12:29:25Z"},{"alias_kind":"pith_short_8","alias_value":"ITABNTTD","created_at":"2026-05-18T12:29:25Z"}],"graph_snapshots":[{"event_id":"sha256:dd167634b3cf65f57e68797a610eef27344fe5f02af9967c6cdb33d085b86ad7","target":"graph","created_at":"2026-05-18T01:33:51Z","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 present a detailed analysis of the features and capabilities of Wakefield-Induced Ionization (WII) injection in the blowout regime of beam driven plasma accelerators. This mechanism exploits the electric wakefields to ionize electrons from a dopant gas and trap them in a well-defined region of the accelerating and focusing wake phase, leading to the formation of high-quality witness-bunches [Martinez de la Ossa et al., Phys. Rev. Lett. 111, 245003 (2013)]. The electron-beam drivers must feature high-peak currents ($I_b^0\\gtrsim 8.5~\\mathrm{kA}$) and a duration comparable to the plasma wavel","authors_text":"A. Martinez de la Ossa, J. Osterhoff, L. Schaper, M. J. V. Streeter, T. J. Mehrling","cross_cats":["physics.plasm-ph"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.acc-ph","submitted_at":"2015-06-17T20:28:54Z","title":"Wakefield-Induced Ionization injection in beam-driven plasma accelerators"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1506.05486","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":"sha256:4bc226bbb533f89f22178e787ff224417ce55d119b43fbed6846adfdf0d5baeb","target":"record","created_at":"2026-05-18T01:33:51Z","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":"5417584c70a8d648badce81e4f274383a86dbba377fd8ef4f75c5ab5d32111e7","cross_cats_sorted":["physics.plasm-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.acc-ph","submitted_at":"2015-06-17T20:28:54Z","title_canon_sha256":"ed4d12f1942f4a70c3aa7068aada796bb81a3e36c55521c3e13053e1486480f2"},"schema_version":"1.0","source":{"id":"1506.05486","kind":"arxiv","version":2}},"canonical_sha256":"44c016ce639b1e5d2222042fad06c9964f0e92d00cdcc91b100fa5716f89627a","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"44c016ce639b1e5d2222042fad06c9964f0e92d00cdcc91b100fa5716f89627a","first_computed_at":"2026-05-18T01:33:51.469026Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:33:51.469026Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"ejX3RoK1FQ7Ax3ACvya2jNhkz9osfvZbB9+ylGNUu/pmmLlP4TVq9e4CTNmDEZtEnUwEw1eQeGBiBtNgGltiCg==","signature_status":"signed_v1","signed_at":"2026-05-18T01:33:51.469553Z","signed_message":"canonical_sha256_bytes"},"source_id":"1506.05486","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:4bc226bbb533f89f22178e787ff224417ce55d119b43fbed6846adfdf0d5baeb","sha256:dd167634b3cf65f57e68797a610eef27344fe5f02af9967c6cdb33d085b86ad7"],"state_sha256":"c0b9458bd9abbf308942b9b8f605afa6d74269deeef865ee93645ce9b8e07878"}