{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2023:GBN7RRVH7XWD6LLHD2VWVTVPK2","short_pith_number":"pith:GBN7RRVH","canonical_record":{"source":{"id":"2311.07087","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"physics.acc-ph","submitted_at":"2023-11-13T05:32:25Z","cross_cats_sorted":[],"title_canon_sha256":"e7f83e8c98ca9b71f7d6762cca7fd821293344098e1fd47c75d6bdbe3b038370","abstract_canon_sha256":"7eb408144502e9d75500c058f6d1eb30882462348e30aca6dcd69b1caa8721a8"},"schema_version":"1.0"},"canonical_sha256":"305bf8c6a7fdec3f2d671eab6aceaf568f66e96edf35d4f6e39d5f6d8d8b1ffe","source":{"kind":"arxiv","id":"2311.07087","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2311.07087","created_at":"2026-07-05T07:12:07Z"},{"alias_kind":"arxiv_version","alias_value":"2311.07087v1","created_at":"2026-07-05T07:12:07Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2311.07087","created_at":"2026-07-05T07:12:07Z"},{"alias_kind":"pith_short_12","alias_value":"GBN7RRVH7XWD","created_at":"2026-07-05T07:12:07Z"},{"alias_kind":"pith_short_16","alias_value":"GBN7RRVH7XWD6LLH","created_at":"2026-07-05T07:12:07Z"},{"alias_kind":"pith_short_8","alias_value":"GBN7RRVH","created_at":"2026-07-05T07:12:07Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2023:GBN7RRVH7XWD6LLHD2VWVTVPK2","target":"record","payload":{"canonical_record":{"source":{"id":"2311.07087","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"physics.acc-ph","submitted_at":"2023-11-13T05:32:25Z","cross_cats_sorted":[],"title_canon_sha256":"e7f83e8c98ca9b71f7d6762cca7fd821293344098e1fd47c75d6bdbe3b038370","abstract_canon_sha256":"7eb408144502e9d75500c058f6d1eb30882462348e30aca6dcd69b1caa8721a8"},"schema_version":"1.0"},"canonical_sha256":"305bf8c6a7fdec3f2d671eab6aceaf568f66e96edf35d4f6e39d5f6d8d8b1ffe","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T07:12:07.651209Z","signature_b64":"LFJbQt+3DAO60FrIvWREPzR3QQhrDMGHnzN8LSP9jEcnJmndtJQhFon1DMb3X4ppDTVEN2hHfTx3OcxIRw7zBw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"305bf8c6a7fdec3f2d671eab6aceaf568f66e96edf35d4f6e39d5f6d8d8b1ffe","last_reissued_at":"2026-07-05T07:12:07.650779Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T07:12:07.650779Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2311.07087","source_version":1,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-05T07:12:07Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"K//SJqI3nlSSa1hiLW7LrHFg8P02q3bW1rMGqLb9ZpX44cAgRdwIC6mjMaOuY3F6w1AqDgejMwpIejkvbSWkDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-06T10:56:16.173789Z"},"content_sha256":"360f5c8e936329711d8107a347c69c302aff53bfd3f28c8c9718a0cd409367d8","schema_version":"1.0","event_id":"sha256:360f5c8e936329711d8107a347c69c302aff53bfd3f28c8c9718a0cd409367d8"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2023:GBN7RRVH7XWD6LLHD2VWVTVPK2","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Energy recovery in filament-regime plasma wakefield acceleration of positron beams","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"physics.acc-ph","authors_text":"Carl Schroeder, Max Varverakis, Robert Holtzapple, Severin Diederichs, Spencer Gessner","submitted_at":"2023-11-13T05:32:25Z","abstract_excerpt":"Plasma wakefield acceleration using an electron filament offers stable, high-gradient, high-quality acceleration of positron beams analogous to the acceleration of electrons in the blowout regime. However, low energy-transfer efficiency is currently a limiting factor for future collider applications. We explore the addition of a secondary electron bunch in the electron filament plasma wakefield acceleration scheme to recover additional energy from the wake. Particle-in-cell simulations using HiPACE++ are used to demonstrate various energy recovery schemes. In addition to confirming the energy "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2311.07087","kind":"arxiv","version":1},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2311.07087/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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"},"verdict_id":null},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-05T07:12:07Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"NxQeIlX0D8DWLoR4O1r/mCv9poOgdk+h6PGDXtyOpDPtZ2uT8Pw1H2mazgAiDHKAteN+S3KF+MNl0k95qnNdAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-06T10:56:16.174715Z"},"content_sha256":"f0693bf956131273d15fa287dbd1df661781a428a7dffe543f949b8184846b1a","schema_version":"1.0","event_id":"sha256:f0693bf956131273d15fa287dbd1df661781a428a7dffe543f949b8184846b1a"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/GBN7RRVH7XWD6LLHD2VWVTVPK2/bundle.json","state_url":"https://pith.science/pith/GBN7RRVH7XWD6LLHD2VWVTVPK2/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/GBN7RRVH7XWD6LLHD2VWVTVPK2/bundle.json","status":"primary"}],"public_keys":[{"key_id":"pith-v1-2026-05","algorithm":"ed25519","format":"raw","public_key_b64":"stVStoiQhXFxp4s2pdzPNoqVNBMojDU/fJ2db5S3CbM=","public_key_hex":"b2d552b68890857171a78b36a5dccf368a953413288c353f7c9d9d6f94b709b3","fingerprint_sha256_b32_first128bits":"RVFV5Z2OI2J3ZUO7ERDEBCYNKS","fingerprint_sha256_hex":"8d4b5ee74e4693bcd1df2446408b0d54","rotates_at":null,"url":"https://pith.science/pith-signing-key.json","notes":"Pith uses this Ed25519 key to sign canonical record SHA-256 digests. Verify with: ed25519_verify(public_key, message=canonical_sha256_bytes, signature=base64decode(signature_b64))."}],"merge_version":"pith-open-graph-merge-v1","built_at":"2026-08-06T10:56:16Z","links":{"resolver":"https://pith.science/pith/GBN7RRVH7XWD6LLHD2VWVTVPK2","bundle":"https://pith.science/pith/GBN7RRVH7XWD6LLHD2VWVTVPK2/bundle.json","state":"https://pith.science/pith/GBN7RRVH7XWD6LLHD2VWVTVPK2/state.json","well_known_bundle":"https://pith.science/.well-known/pith/GBN7RRVH7XWD6LLHD2VWVTVPK2/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2023:GBN7RRVH7XWD6LLHD2VWVTVPK2","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":"7eb408144502e9d75500c058f6d1eb30882462348e30aca6dcd69b1caa8721a8","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"physics.acc-ph","submitted_at":"2023-11-13T05:32:25Z","title_canon_sha256":"e7f83e8c98ca9b71f7d6762cca7fd821293344098e1fd47c75d6bdbe3b038370"},"schema_version":"1.0","source":{"id":"2311.07087","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2311.07087","created_at":"2026-07-05T07:12:07Z"},{"alias_kind":"arxiv_version","alias_value":"2311.07087v1","created_at":"2026-07-05T07:12:07Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2311.07087","created_at":"2026-07-05T07:12:07Z"},{"alias_kind":"pith_short_12","alias_value":"GBN7RRVH7XWD","created_at":"2026-07-05T07:12:07Z"},{"alias_kind":"pith_short_16","alias_value":"GBN7RRVH7XWD6LLH","created_at":"2026-07-05T07:12:07Z"},{"alias_kind":"pith_short_8","alias_value":"GBN7RRVH","created_at":"2026-07-05T07:12:07Z"}],"graph_snapshots":[{"event_id":"sha256:f0693bf956131273d15fa287dbd1df661781a428a7dffe543f949b8184846b1a","target":"graph","created_at":"2026-07-05T07:12:07Z","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"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/2311.07087/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Plasma wakefield acceleration using an electron filament offers stable, high-gradient, high-quality acceleration of positron beams analogous to the acceleration of electrons in the blowout regime. However, low energy-transfer efficiency is currently a limiting factor for future collider applications. We explore the addition of a secondary electron bunch in the electron filament plasma wakefield acceleration scheme to recover additional energy from the wake. Particle-in-cell simulations using HiPACE++ are used to demonstrate various energy recovery schemes. In addition to confirming the energy ","authors_text":"Carl Schroeder, Max Varverakis, Robert Holtzapple, Severin Diederichs, Spencer Gessner","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"physics.acc-ph","submitted_at":"2023-11-13T05:32:25Z","title":"Energy recovery in filament-regime plasma wakefield acceleration of positron beams"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2311.07087","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":"sha256:360f5c8e936329711d8107a347c69c302aff53bfd3f28c8c9718a0cd409367d8","target":"record","created_at":"2026-07-05T07:12:07Z","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":"7eb408144502e9d75500c058f6d1eb30882462348e30aca6dcd69b1caa8721a8","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"physics.acc-ph","submitted_at":"2023-11-13T05:32:25Z","title_canon_sha256":"e7f83e8c98ca9b71f7d6762cca7fd821293344098e1fd47c75d6bdbe3b038370"},"schema_version":"1.0","source":{"id":"2311.07087","kind":"arxiv","version":1}},"canonical_sha256":"305bf8c6a7fdec3f2d671eab6aceaf568f66e96edf35d4f6e39d5f6d8d8b1ffe","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"305bf8c6a7fdec3f2d671eab6aceaf568f66e96edf35d4f6e39d5f6d8d8b1ffe","first_computed_at":"2026-07-05T07:12:07.650779Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T07:12:07.650779Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"LFJbQt+3DAO60FrIvWREPzR3QQhrDMGHnzN8LSP9jEcnJmndtJQhFon1DMb3X4ppDTVEN2hHfTx3OcxIRw7zBw==","signature_status":"signed_v1","signed_at":"2026-07-05T07:12:07.651209Z","signed_message":"canonical_sha256_bytes"},"source_id":"2311.07087","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:360f5c8e936329711d8107a347c69c302aff53bfd3f28c8c9718a0cd409367d8","sha256:f0693bf956131273d15fa287dbd1df661781a428a7dffe543f949b8184846b1a"],"state_sha256":"1e1de4461216b4eec96fcecc5d8ef678c00514ec646163dce29073800fc38412"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"O4xCTFMzLY/SeYCg+gGCZHk3A1YWfohCbyo3Kz4Y9Qz6AqcpB+z6AwuWJqDC3J8+HMcNJVLlYXjAblJ7brcdDQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-06T10:56:16.180055Z","bundle_sha256":"04dceb487f75808783d9df0c15a78b7ab8c46e6cbb235129929a36a7f4d7543b"}}