{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2023:QHDDSRL3X36UXOA2ZUPG5F5OQY","short_pith_number":"pith:QHDDSRL3","canonical_record":{"source":{"id":"2303.12874","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"physics.plasm-ph","submitted_at":"2023-03-22T19:18:25Z","cross_cats_sorted":["physics.comp-ph"],"title_canon_sha256":"e70b9eef290d49444fff816c7f32024595c129a37dcedb5cf50fd98f9c059653","abstract_canon_sha256":"3627c0d65fc76b744e1e619986c19b9220587be094b2c81c0e21f4835672f2c2"},"schema_version":"1.0"},"canonical_sha256":"81c639457bbefd4bb81acd1e6e97ae861b111b6e54394736767842c41f6bb276","source":{"kind":"arxiv","id":"2303.12874","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2303.12874","created_at":"2026-07-05T06:32:26Z"},{"alias_kind":"arxiv_version","alias_value":"2303.12874v1","created_at":"2026-07-05T06:32:26Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2303.12874","created_at":"2026-07-05T06:32:26Z"},{"alias_kind":"pith_short_12","alias_value":"QHDDSRL3X36U","created_at":"2026-07-05T06:32:26Z"},{"alias_kind":"pith_short_16","alias_value":"QHDDSRL3X36UXOA2","created_at":"2026-07-05T06:32:26Z"},{"alias_kind":"pith_short_8","alias_value":"QHDDSRL3","created_at":"2026-07-05T06:32:26Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2023:QHDDSRL3X36UXOA2ZUPG5F5OQY","target":"record","payload":{"canonical_record":{"source":{"id":"2303.12874","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"physics.plasm-ph","submitted_at":"2023-03-22T19:18:25Z","cross_cats_sorted":["physics.comp-ph"],"title_canon_sha256":"e70b9eef290d49444fff816c7f32024595c129a37dcedb5cf50fd98f9c059653","abstract_canon_sha256":"3627c0d65fc76b744e1e619986c19b9220587be094b2c81c0e21f4835672f2c2"},"schema_version":"1.0"},"canonical_sha256":"81c639457bbefd4bb81acd1e6e97ae861b111b6e54394736767842c41f6bb276","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T06:32:26.959816Z","signature_b64":"fjs/StDf2kHooZ7f462+fkLwydpb2LM0yRarDE9cVSxKB/TuX2RxxpoI/NvWYKU8UBoHQQRMMuUiDP9Num+ACQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"81c639457bbefd4bb81acd1e6e97ae861b111b6e54394736767842c41f6bb276","last_reissued_at":"2026-07-05T06:32:26.959275Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T06:32:26.959275Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2303.12874","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":"2026-07-05T06:32:26Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"xezWHqbzpudwR1AG53UutI7OZ46l8z5mnD1yIRukuaRkpzza3/vYcQeryyo/xWJkItueePQtoBrwNu/QOj1kAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-10T18:06:09.917551Z"},"content_sha256":"7a822d087c5ce8bf931d93ff2cbef277fddf26ef3cc8d3fc8939c3c0caf7635d","schema_version":"1.0","event_id":"sha256:7a822d087c5ce8bf931d93ff2cbef277fddf26ef3cc8d3fc8939c3c0caf7635d"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2023:QHDDSRL3X36UXOA2ZUPG5F5OQY","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Accurate simulation of direct laser acceleration in a laser wakefield accelerator","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["physics.comp-ph"],"primary_cat":"physics.plasm-ph","authors_text":"Fei Li, Frank S. Tsung, Jessica L. Shaw, John P. Palastro, Kyle G. Miller, Viktor K. Decyk, Warren B. Mori","submitted_at":"2023-03-22T19:18:25Z","abstract_excerpt":"In a laser wakefield accelerator (LWFA), an intense laser pulse excites a plasma wave that traps and accelerates electrons to relativistic energies. When the pulse overlaps the accelerated electrons, it can enhance the energy gain through direct laser acceleration (DLA) by resonantly driving the betatron oscillations of the electrons in the plasma wave. The particle-in-cell (PIC) algorithm, although often the tool of choice to study DLA, contains inherent errors due to numerical dispersion and the time staggering of the electric and magnetic fields. Further, conventional PIC implementations ca"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2303.12874","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/2303.12874/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":"2026-07-05T06:32:26Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"TP2bGiB+pQ7arfPDZB5p3DsEUJHkSUhgSYbrbOt8rt4UNHeC6bBeJ7CiPI1fFm3ZFKy/hpCtE0iM/iDy7W72AQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-10T18:06:09.918192Z"},"content_sha256":"c7ef23eb4a350f5eb947cb8b75b4782a23ce55a9244fffb72fd945bc4500560f","schema_version":"1.0","event_id":"sha256:c7ef23eb4a350f5eb947cb8b75b4782a23ce55a9244fffb72fd945bc4500560f"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/QHDDSRL3X36UXOA2ZUPG5F5OQY/bundle.json","state_url":"https://pith.science/pith/QHDDSRL3X36UXOA2ZUPG5F5OQY/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/QHDDSRL3X36UXOA2ZUPG5F5OQY/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":"2026-08-10T18:06:09Z","links":{"resolver":"https://pith.science/pith/QHDDSRL3X36UXOA2ZUPG5F5OQY","bundle":"https://pith.science/pith/QHDDSRL3X36UXOA2ZUPG5F5OQY/bundle.json","state":"https://pith.science/pith/QHDDSRL3X36UXOA2ZUPG5F5OQY/state.json","well_known_bundle":"https://pith.science/.well-known/pith/QHDDSRL3X36UXOA2ZUPG5F5OQY/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2023:QHDDSRL3X36UXOA2ZUPG5F5OQY","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":"3627c0d65fc76b744e1e619986c19b9220587be094b2c81c0e21f4835672f2c2","cross_cats_sorted":["physics.comp-ph"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"physics.plasm-ph","submitted_at":"2023-03-22T19:18:25Z","title_canon_sha256":"e70b9eef290d49444fff816c7f32024595c129a37dcedb5cf50fd98f9c059653"},"schema_version":"1.0","source":{"id":"2303.12874","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2303.12874","created_at":"2026-07-05T06:32:26Z"},{"alias_kind":"arxiv_version","alias_value":"2303.12874v1","created_at":"2026-07-05T06:32:26Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2303.12874","created_at":"2026-07-05T06:32:26Z"},{"alias_kind":"pith_short_12","alias_value":"QHDDSRL3X36U","created_at":"2026-07-05T06:32:26Z"},{"alias_kind":"pith_short_16","alias_value":"QHDDSRL3X36UXOA2","created_at":"2026-07-05T06:32:26Z"},{"alias_kind":"pith_short_8","alias_value":"QHDDSRL3","created_at":"2026-07-05T06:32:26Z"}],"graph_snapshots":[{"event_id":"sha256:c7ef23eb4a350f5eb947cb8b75b4782a23ce55a9244fffb72fd945bc4500560f","target":"graph","created_at":"2026-07-05T06:32:26Z","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/2303.12874/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"In a laser wakefield accelerator (LWFA), an intense laser pulse excites a plasma wave that traps and accelerates electrons to relativistic energies. When the pulse overlaps the accelerated electrons, it can enhance the energy gain through direct laser acceleration (DLA) by resonantly driving the betatron oscillations of the electrons in the plasma wave. The particle-in-cell (PIC) algorithm, although often the tool of choice to study DLA, contains inherent errors due to numerical dispersion and the time staggering of the electric and magnetic fields. Further, conventional PIC implementations ca","authors_text":"Fei Li, Frank S. Tsung, Jessica L. Shaw, John P. Palastro, Kyle G. Miller, Viktor K. Decyk, Warren B. Mori","cross_cats":["physics.comp-ph"],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"physics.plasm-ph","submitted_at":"2023-03-22T19:18:25Z","title":"Accurate simulation of direct laser acceleration in a laser wakefield accelerator"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2303.12874","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":"sha256:7a822d087c5ce8bf931d93ff2cbef277fddf26ef3cc8d3fc8939c3c0caf7635d","target":"record","created_at":"2026-07-05T06:32:26Z","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":"3627c0d65fc76b744e1e619986c19b9220587be094b2c81c0e21f4835672f2c2","cross_cats_sorted":["physics.comp-ph"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"physics.plasm-ph","submitted_at":"2023-03-22T19:18:25Z","title_canon_sha256":"e70b9eef290d49444fff816c7f32024595c129a37dcedb5cf50fd98f9c059653"},"schema_version":"1.0","source":{"id":"2303.12874","kind":"arxiv","version":1}},"canonical_sha256":"81c639457bbefd4bb81acd1e6e97ae861b111b6e54394736767842c41f6bb276","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"81c639457bbefd4bb81acd1e6e97ae861b111b6e54394736767842c41f6bb276","first_computed_at":"2026-07-05T06:32:26.959275Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T06:32:26.959275Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"fjs/StDf2kHooZ7f462+fkLwydpb2LM0yRarDE9cVSxKB/TuX2RxxpoI/NvWYKU8UBoHQQRMMuUiDP9Num+ACQ==","signature_status":"signed_v1","signed_at":"2026-07-05T06:32:26.959816Z","signed_message":"canonical_sha256_bytes"},"source_id":"2303.12874","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:7a822d087c5ce8bf931d93ff2cbef277fddf26ef3cc8d3fc8939c3c0caf7635d","sha256:c7ef23eb4a350f5eb947cb8b75b4782a23ce55a9244fffb72fd945bc4500560f"],"state_sha256":"ad9dc2fdacc8b350bdd1a6ade9240087270aa394dbb2f0ddda7d582704a4a329"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"cy4uEu7RtbNdqQ61dF8jDBTrpb52UoMijIe/ykz4OonF8rCMPZVMg40DQZEoDmeGyg5Yg7EjWoxDjcJKEAPwCw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-10T18:06:09.923114Z","bundle_sha256":"3c439004ab5a225d660c8756eef4c8827d21a2e3c471b1f5bd06695bea42c392"}}